Conserved Domains and Related Protein Families
Conserved Domains Detected by RPS-BLAST
Original result of RPS-BLAST against CDD database
ID Alignment Graph Length
Definition
E-value
Query 111
cd06135 173
cd06135, Orn, DEDDh 3'-5' exonuclease domain of ol
4e-22
PRK05359 181
PRK05359, PRK05359, oligoribonuclease; Provisional
4e-20
COG1949 184
COG1949, Orn, Oligoribonuclease (3'->5' exoribonuc
2e-17
>gnl|CDD|99838 cd06135, Orn, DEDDh 3'-5' exonuclease domain of oligoribonuclease and similar proteins
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Score = 84.9 bits (211), Expect = 4e-22
Identities = 27/58 (46%), Positives = 40/58 (68%)
Query: 34 YYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVG 91
+ +EVL M+EWC E H SGLT+RVRAS+V++ +A+ L +F+ KYV +P+ G
Sbjct: 42 HQPDEVLDGMDEWCTEMHTKSGLTERVRASTVTLAQAEAELLEFIKKYVPKGKSPLAG 99
Oligoribonuclease (Orn) is a DEDDh-type DnaQ-like 3'-5' exoribonuclease that is responsible for degrading small oligoribonucleotides to mononucleotides. It contains three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. Orn is essential for Escherichia coli survival. The human homolog, also called Sfn (small fragment nuclease), is able to hydrolyze short single-stranded RNA and DNA oligomers. It plays a role in cellular nucleotide recycling. Length = 173
>gnl|CDD|235429 PRK05359, PRK05359, oligoribonuclease; Provisional
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Score = 79.8 bits (198), Expect = 4e-20
Identities = 23/56 (41%), Positives = 35/56 (62%)
Query: 36 NEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVG 91
++E L M+EW H SGL DRVRAS+VS EA+ + +F+ ++V +P+ G
Sbjct: 48 SDEALAAMDEWNTRTHTRSGLIDRVRASTVSEAEAEAQTLEFLKQWVPAGKSPLCG 103
>gnl|CDD|224860 COG1949, Orn, Oligoribonuclease (3'->5' exoribonuclease) [RNA processing and modification]
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Score = 72.8 bits (179), Expect = 2e-17
Identities = 23/59 (38%), Positives = 38/59 (64%)
Query: 33 LYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVG 91
++ ++E L M+EW E H SGLT+RV+AS+V+ EA+ + F+ K+V +P+ G
Sbjct: 48 IHQSDEQLAKMDEWNTETHGRSGLTERVKASTVTEAEAEAQTLDFLKKWVPKGVSPICG 106
Conserved Domains Detected by HHsearch
Original result of HHsearch against CDD database
ID Alignment Graph Length
Definition
Probability
Query
111
COG1949 184
Orn Oligoribonuclease (3'-5' exoribonuclease) [RNA
100.0
KOG3242|consensus 208
100.0
PRK05359 181
oligoribonuclease; Provisional
99.87
cd06135 173
Orn DEDDh 3'-5' exonuclease domain of oligoribonuc
99.5
PRK09145 202
DNA polymerase III subunit epsilon; Validated
98.47
smart00479 169
EXOIII exonuclease domain in DNA-polymerase alpha
98.33
cd06131 167
DNA_pol_III_epsilon_Ecoli_like DEDDh 3'-5' exonucl
98.26
cd06127 159
DEDDh DEDDh 3'-5' exonuclease domain family. DEDDh
98.11
cd06138 183
ExoI_N N-terminal DEDDh 3'-5' exonuclease domain o
97.98
TIGR01406
225
dnaQ_proteo DNA polymerase III, epsilon subunit, P
97.59
PRK06309
232
DNA polymerase III subunit epsilon; Validated
97.48
PRK06310
250
DNA polymerase III subunit epsilon; Validated
97.45
PRK05711
240
DNA polymerase III subunit epsilon; Provisional
97.42
cd06133 176
ERI-1_3'hExo_like DEDDh 3'-5' exonuclease domain o
97.32
PRK07740 244
hypothetical protein; Provisional
97.06
cd06144 152
REX4_like DEDDh 3'-5' exonuclease domain of RNA ex
96.78
TIGR01298 200
RNaseT ribonuclease T. in gamma-subdivision Proteo
96.72
PRK09146 239
DNA polymerase III subunit epsilon; Validated
96.72
PRK07942
232
DNA polymerase III subunit epsilon; Provisional
96.71
PRK11779
476
sbcB exonuclease I; Provisional
96.69
TIGR00573
217
dnaq exonuclease, DNA polymerase III, epsilon subu
96.67
PRK06807
313
DNA polymerase III subunit epsilon; Validated
96.61
PRK05168 211
ribonuclease T; Provisional
96.59
cd06134 189
RNaseT DEDDh 3'-5' exonuclease domain of RNase T.
96.56
cd06130 156
DNA_pol_III_epsilon_like an uncharacterized bacter
96.35
PRK08517 257
DNA polymerase III subunit epsilon; Provisional
96.17
PRK06063
313
DNA polymerase III subunit epsilon; Provisional
96.11
cd06145 150
REX1_like DEDDh 3'-5' exonuclease domain of RNA ex
96.04
PRK07883
557
hypothetical protein; Validated
95.96
cd06137 161
DEDDh_RNase DEDDh 3'-5' exonuclease domain of the
95.33
TIGR01405
1213
polC_Gram_pos DNA polymerase III, alpha chain, Gra
95.31
PF00929 164
RNase_T: Exonuclease; InterPro: IPR013520 This ent
94.81
cd06149 157
ISG20 DEDDh 3'-5' exonuclease domain of Interferon
94.49
PRK09182
294
DNA polymerase III subunit epsilon; Validated
94.03
TIGR01407
850
dinG_rel DnaQ family exonuclease/DinG family helic
93.85
cd06136 177
TREX1_2 DEDDh 3'-5' exonuclease domain of three pr
93.67
PRK06722
281
exonuclease; Provisional
93.55
PRK08074
928
bifunctional ATP-dependent DNA helicase/DNA polyme
93.08
PRK05601
377
DNA polymerase III subunit epsilon; Validated
91.97
PRK07748 207
sporulation inhibitor KapD; Provisional
88.93
PRK00448
1437
polC DNA polymerase III PolC; Validated
88.71
PRK07246
820
bifunctional ATP-dependent DNA helicase/DNA polyme
83.48
PRK07247 195
DNA polymerase III subunit epsilon; Validated
82.85
COG0847
243
DnaQ DNA polymerase III, epsilon subunit and relat
82.72
>COG1949 Orn Oligoribonuclease (3'-5' exoribonuclease) [RNA processing and modification]
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Probab=100.00 E-value=1.1e-43 Score=270.88 Aligned_cols=103 Identities=28% Similarity=0.409 Sum_probs=99.6
Q ss_pred CCCCCCCCccccccHhhhhhheeeCC-------ceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQG-------TCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~-------G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
.-||++|-++++-+ +|+||||. ||++|||||+++|+.|||||+++|++|||++||++|.+|+++||.++
T Consensus 14 EMTGLd~~~drIIE----iA~iVTD~~Lnilaegp~~~Ihq~~e~L~~Mdew~~~~H~~sGL~~rV~~S~~t~~~aE~~~ 89 (184)
T COG1949 14 EMTGLDPERDRIIE----IATIVTDANLNILAEGPVIAIHQSDEQLAKMDEWNTETHGRSGLTERVKASTVTEAEAEAQT 89 (184)
T ss_pred eeccCCcCcceEEE----EEEEEecCcccccccCceEEEeCCHHHHHHHHHHHHHccccccHHHHHHHhhccHHHHHHHH
Confidence 35899999999999 99999974 89999999999999999999999999999999999999999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcccccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFLV 108 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~lv 108 (111)
|+||++|||++.+|||||| +||||||.||||+|.
T Consensus 90 l~flkkwvp~~~spicGNSI~qDRrFl~r~MP~Le 124 (184)
T COG1949 90 LDFLKKWVPKGVSPICGNSIAQDRRFLFRYMPKLE 124 (184)
T ss_pred HHHHHHhCCCCCCCCccchhhHHHHHHHHHhhhHH
Confidence 9999999999999999999 999999999999984
>KOG3242|consensus
Back Show alignment and domain information
Probab=100.00 E-value=3.5e-42 Score=265.49 Aligned_cols=102 Identities=28% Similarity=0.480 Sum_probs=98.9
Q ss_pred CCCCCCCccccccHhhhhhheeeCC-------ceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQG-------TCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~-------G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
-||++--++++-+ +||||||+ ||++|||||+++|++|+|||++||++|||+++|++|++|++|||+++|
T Consensus 35 MTGLdvekd~i~E----iacIITD~dL~~~~egpd~vI~~~~evld~MneWc~ehhg~SGLt~kv~~S~~tl~~aEnevl 110 (208)
T KOG3242|consen 35 MTGLDVEKDRIIE----IACIITDGDLNPVAEGPDLVIHQPKEVLDKMNEWCIEHHGNSGLTEKVLASKITLADAENEVL 110 (208)
T ss_pred ccccccccceeEE----EEEEEecCCccccccCccchhcCCHHHHHHHHHHHHHhccchhHHHHHHHhhccHHHHHHHHH
Confidence 4899999999999 99999975 999999999999999999999999999999999999999999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhcccccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFLV 108 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~lv 108 (111)
+||++|+|+|.||||||| |+||+||.||||+++
T Consensus 111 ~yikk~ip~~~~~laGNSV~~DrlFl~k~mPk~~ 144 (208)
T KOG3242|consen 111 EYIKKHIPKGKCPLAGNSVYMDRLFLKKYMPKLI 144 (208)
T ss_pred HHHHHhCCCCCCCccCcchhhHHHHHHHHhHHHH
Confidence 999999999999999999 999999999999975
>PRK05359 oligoribonuclease; Provisional
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Probab=99.87 E-value=4e-22 Score=149.83 Aligned_cols=103 Identities=28% Similarity=0.412 Sum_probs=96.1
Q ss_pred CCCCCCCCccccccHhhhhhheeeCC-------ceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQG-------TCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~-------G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|.++.+.| .++|++|+ ++.++|+++.+++..|++||+++|+.|||++++.+++.++++|..++
T Consensus 11 ETTGLdp~~d~Iie----IgaV~~~~~~~~~~~~~~~~i~~~~~~l~~~~~~~~~ih~~tGIt~~~l~~~~~~~e~~~~~ 86 (181)
T PRK05359 11 EMTGLDPERDRIIE----IATIVTDADLNILAEGPVIAIHQSDEALAAMDEWNTRTHTRSGLIDRVRASTVSEAEAEAQT 86 (181)
T ss_pred ecCCCCCCCCeEEE----EEEEEEcCCceEcccceEEEECCCHHHhhccChHHHHhcccccCcHHHHhcCCCHHHHHHHH
Confidence 36999999999999 88888864 57889999999999999999999999999999999999999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcccccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFLV 108 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~lv 108 (111)
++|++.+++.+.+|||||+ ++|+.||.++||++-
T Consensus 87 l~fl~~~~~~~~~~l~g~~v~FD~~FL~~~~~~~~ 121 (181)
T PRK05359 87 LEFLKQWVPAGKSPLCGNSIGQDRRFLARYMPELE 121 (181)
T ss_pred HHHHHHhcCCCCCceeecchhhCHHHHHHHHHHhc
Confidence 9999999998899999999 999999999998754
>cd06135 Orn DEDDh 3'-5' exonuclease domain of oligoribonuclease and similar proteins
Back Show alignment and domain information
Probab=99.50 E-value=6.5e-14 Score=103.67 Aligned_cols=102 Identities=34% Similarity=0.583 Sum_probs=92.2
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc-------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT-------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G-------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|.++++.| .+++.++++ +...|+++..+...+.+|+.++|..+|++++..++..++++|-.++
T Consensus 7 ETTGl~p~~d~Iie----IgaV~~~~~~~~i~~~f~~~i~p~~~~~~~~~~~~~~ih~~tgIt~~~l~~~~~~~~vl~~~ 82 (173)
T cd06135 7 EMTGLDPEKDRILE----IACIITDGDLNIIAEGPELVIHQPDEVLDGMDEWCTEMHTKSGLTERVRASTVTLAQAEAEL 82 (173)
T ss_pred ecCCCCCCCCeeEE----EEEEEEeCCCceecCceeEEECCCHHHhhhccHHHHHcccccccHHHHHhCCCCHHHHHHHH
Confidence 36999999999999 788888663 5678888888888899999999999999999999999999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
++|+..++..+.++++||+ .+|+.||.++++++
T Consensus 83 ~~f~~~~~~~~~~~lvgh~~~FD~~fL~~~~~~~ 116 (173)
T cd06135 83 LEFIKKYVPKGKSPLAGNSVHQDRRFLDKYMPEL 116 (173)
T ss_pred HHHHHHhcCCCCCceeecchhhCHHHHHHHHHHH
Confidence 9999999888889999999 99999999988754
Oligoribonuclease (Orn) is a DEDDh-type DnaQ-like 3'-5' exoribonuclease that is responsible for degrading small oligoribonucleotides to mononucleotides. It contains three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. Orn is essential for Escherichia coli survival. The human homolog, also called Sfn (small fragment nuclease), is able to hydrolyze short single-stranded RNA and DNA oligomers. It plays a role in cellular nucleotide recycling.
>PRK09145 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=98.47 E-value=3.4e-07 Score=68.88 Aligned_cols=86 Identities=22% Similarity=0.303 Sum_probs=70.4
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc-------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT-------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G-------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|.++..-| .+++.+|++ +...|+++ ..++++|++.| |++++-.+...+.++|-.++
T Consensus 37 ETTGl~~~~d~Iie----IgaV~~~~~~~~~~~~f~~~i~p~----~~i~~~~~~ih---GIt~~~l~~~~~~~~vl~~~ 105 (202)
T PRK09145 37 ETTGLDPRRAEIVS----IAAVKIRGNRILTSERLELLVRPP----QSLSAESIKIH---RLRHQDLEDGLSEEEALRQL 105 (202)
T ss_pred ECCCCCCCCCceEE----EEEEEEECCEEeecCceEEEECCC----CCCCHhHhhhc---CcCHHHHhcCCCHHHHHHHH
Confidence 36899999999888 788887654 34456665 35889999998 68877777889999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
++|++. .+++|.. .+|+.||.+++
T Consensus 106 ~~~i~~------~~lv~hn~~fD~~fL~~~~ 130 (202)
T PRK09145 106 LAFIGN------RPLVGYYLEFDVAMLNRYV 130 (202)
T ss_pred HHHHcC------CeEEEeCHHHHHHHHHHHH
Confidence 999953 5799999 99999999875
>smart00479 EXOIII exonuclease domain in DNA-polymerase alpha and epsilon chain, ribonuclease T and other exonucleases
Back Show alignment and domain information
Probab=98.33 E-value=1.1e-06 Score=61.98 Aligned_cols=90 Identities=18% Similarity=0.261 Sum_probs=72.0
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQ 76 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~ 76 (111)
..+|++|.+..+-+ .+++.++++ ++..|.+ . ..+.++|++.| |++++-.+...+.++|-+++.+
T Consensus 8 Ettg~~~~~~~Iie----ig~v~~~~~~~~~~f~~~v~p-~---~~i~~~~~~~~---Git~~~l~~~~~~~~~~~~~~~ 76 (169)
T smart00479 8 ETTGLDPGKDEIIE----IAAVDVDGGRIIVVFDTYVKP-D---RPITDYATEIH---GITPEMLDDAPTFEEVLEELLE 76 (169)
T ss_pred eCCCCCCCCCeEEE----EEEEEEECCEeEEEEEEEECC-C---CCCCHHHHHHh---CCCHHHHhCCCCHHHHHHHHHH
Confidence 35899998888888 677777775 3334444 2 46788999988 7998888889999999999999
Q ss_pred HHHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 77 FVAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 77 fikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
|+... ..++||+ .+|..||.+++++.
T Consensus 77 ~l~~~-----~~v~~n~~~fD~~~L~~~~~~~ 103 (169)
T smart00479 77 FLKGK-----ILVAGNALNFDLRFLKLEHPRL 103 (169)
T ss_pred HhcCC-----EEEEeCCHHHhHHHHHHHHHHh
Confidence 99653 4689999 99999999988764
>cd06131 DNA_pol_III_epsilon_Ecoli_like DEDDh 3'-5' exonuclease domain of the epsilon subunit of Escherichia coli DNA polymerase III and similar proteins
Back Show alignment and domain information
Probab=98.26 E-value=1.1e-06 Score=63.16 Aligned_cols=88 Identities=16% Similarity=0.204 Sum_probs=67.0
Q ss_pred CCCCCCC-CccccccHhhhhhheee------CCceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRP-SNTALSSMEQVKAYLQT------QGTCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p-~~~~l~s~~q~~~~lvT------d~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++| .++.+-| .+++.. ++.+...|+++. .+++.+++.| |++++..+...+.++|..++
T Consensus 7 ETTGl~~~~~~~iie----ig~v~v~~~~~~~~~~~~~v~P~~----~i~~~~~~ih---GIt~e~l~~~~~~~~v~~~l 75 (167)
T cd06131 7 ETTGLDPREGHRIIE----IGCVELINRRLTGNTFHVYINPER----DIPEEAFKVH---GITDEFLADKPKFAEIADEF 75 (167)
T ss_pred eCCCCCCCCCCeEEE----EEEEEEECCcEeccEEEEEECCCC----CCCHHHHHHh---CCCHHHHhcCCCHHHHHHHH
Confidence 4689999 4566666 555543 233455666553 4899999999 79999988889999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
++|+.+ ++++|.. .+|+.||.+++++
T Consensus 76 ~~~l~~------~~lv~hn~~fD~~~l~~~~~~ 102 (167)
T cd06131 76 LDFIRG------AELVIHNASFDVGFLNAELSL 102 (167)
T ss_pred HHHHCC------CeEEEeChHHhHHHHHHHHHH
Confidence 999855 4577777 9999999988765
This subfamily is composed of the epsilon subunit of Escherichia coli DNA polymerase III (Pol III) and similar proteins. Pol III is the main DNA replicating enzyme in bacteria, functioning as the chromosomal replicase. It is a holoenzyme complex of ten different subunits, three of which (alpha, epsilon, and theta) compose the catalytic core. The Pol III epsilon subunit, encoded by the dnaQ gene, is a DEDDh-type 3'-5' exonuclease which is responsible for the proofreading activity of the polymerase, increasing the fidelity of DNA synthesis. It contains three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. The epsilon
>cd06127 DEDDh DEDDh 3'-5' exonuclease domain family
Back Show alignment and domain information
Probab=98.11 E-value=2.1e-06 Score=58.67 Aligned_cols=89 Identities=15% Similarity=0.174 Sum_probs=68.3
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
..||++|....+-+ .+++..+++ .+..|+++.. +.+.++.. +|++.+..++..+.++|..+++
T Consensus 6 Ettg~~~~~~~iie----i~~v~~~~~~~~~~~~~~~i~p~~~----~~~~~~~~---~gi~~~~~~~~~~~~~~~~~~~ 74 (159)
T cd06127 6 ETTGLDPKKDRIIE----IGAVKVDGGIEIVERFETLVNPGRP----IPPEATAI---HGITDEMLADAPPFEEVLPEFL 74 (159)
T ss_pred eCCCcCCCCCeEEE----EEEEEEECCcChhhhhheeeCcCCc----CCHhheec---cCCCHHHHhcCCCHHHHHHHHH
Confidence 35899998887777 677777654 3455655543 44445443 7889888889999999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
+|+++ .+++|.. .+|+.||.+++++.
T Consensus 75 ~~l~~------~~~v~~n~~fD~~~l~~~~~~~ 101 (159)
T cd06127 75 EFLGG------RVLVAHNASFDLRFLNRELRRL 101 (159)
T ss_pred HHHCC------CEEEEeCcHhhHHHHHHHHHHh
Confidence 99876 5799999 99999999998753
DEDDh exonucleases, part of the DnaQ-like (or DEDD) exonuclease superfamily, catalyze the excision of nucleoside monophosphates at the DNA or RNA termini in the 3'-5' direction. These proteins contain four invariant acidic residues in three conserved sequence motifs termed ExoI, ExoII and ExoIII. DEDDh exonucleases are classified as such because of the presence of specific Hx(4)D conserved pattern at the ExoIII motif. The four conserved acidic residues are clustered around the active site and serve as ligands for the two metal ions required for catalysis. Most DEDDh exonucleases are the proofreading subunits (epsilon) or domains of bacterial DNA polymerase III, the main replicating enzyme in bacteria, which functions as the chromosomal replicase. Other members include other DNA and RNA exonucleases such as RNase T, Oligoribonuclease, and RNA exonuclease (REX), among others.
>cd06138 ExoI_N N-terminal DEDDh 3'-5' exonuclease domain of Escherichia coli exonuclease I and similar proteins
Back Show alignment and domain information
Probab=97.98 E-value=1.2e-05 Score=59.73 Aligned_cols=91 Identities=18% Similarity=0.146 Sum_probs=62.8
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc------eeeeeecCHHHHhhccchhhhccccccchHH-HHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDR-VRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~-vr~S~~s~~~AE~~l 74 (111)
..||++|.++..-| .+++..+++ ++..|+.++.+. ..+..... +|++++ +..++.+..+|-.++
T Consensus 6 ETTGl~~~~d~Iie----ig~v~v~~~~~~~~~~~~~v~p~~~~~--~~~~a~~i---hGIt~e~l~~~~~~~~~~l~~~ 76 (183)
T cd06138 6 ETFGLNPSFDQILQ----FAAIRTDENFNEIEPFNIFCRLPPDVL--PSPEALIV---TGITPQQLLKEGLSEYEFIAKI 76 (183)
T ss_pred ecCCCCCCCCceEE----EEEEEECCCCCCccceeEEEeCCCCCC--CCHHHHHH---hCCCHHHHHhcCCCHHHHHHHH
Confidence 36899999998888 788877765 444565554321 22223333 577655 555478999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
++|+.+ ++..++|.|. .+|+.||.+.+
T Consensus 77 ~~~~~~---~~~~lVahn~~~FD~~fL~~~~ 104 (183)
T cd06138 77 HRLFNT---PGTCIVGYNNIRFDDEFLRFAF 104 (183)
T ss_pred HHHHcc---CCCcEEeeCchhhHHHHHHHHH
Confidence 999875 3334666798 99999998765
This subfamily is composed of the N-terminal domain of Escherichia coli exonuclease I (ExoI) and similar proteins. ExoI is a monomeric enzyme that hydrolyzes single stranded DNA in the 3' to 5' direction. It plays a role in DNA recombination and repair. It primarily functions in repairing frameshift mutations. The N-terminal domain of ExoI is a DEDDh-type DnaQ-like 3'-5 exonuclease containing three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. The ExoI structure is unique among DnaQ family enzymes in that there is a large distance between the two metal ions required for catalysis and the catalytic histidine is oriented away from the active site.
>TIGR01406 dnaQ_proteo DNA polymerase III, epsilon subunit, Proteobacterial
Back Show alignment and domain information
Probab=97.59 E-value=7.5e-05 Score=57.95 Aligned_cols=87 Identities=15% Similarity=0.172 Sum_probs=66.4
Q ss_pred CCCCCCCCc-cccccHhhhhhhe------eeCCceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSN-TALSSMEQVKAYL------QTQGTCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~-~~l~s~~q~~~~l------vTd~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|.. ++.-+ .+++ +|.+.+...|++.. .+++.+.+.| |++++-.+...+.++|-.++
T Consensus 8 ETTGl~p~~~d~IIE----Igav~~~~~~~~~~~f~~~i~P~~----~i~~~a~~vh---GIt~e~l~~~p~f~ev~~~f 76 (225)
T TIGR01406 8 ETTGLDPKGGHRIVE----IGAVELVNRMLTGDNFHVYVNPER----DMPAEAAKVH---GITDEFLADKPKFKEIADEF 76 (225)
T ss_pred eCCCcCCCCCCeEEE----EEEEEEECCcEecceEEEEECcCC----CCCHHHHhcc---CCCHHHHhCCCCHHHHHHHH
Confidence 368999974 77777 5554 23345677777653 4788999998 99988888889999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDH 105 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP 105 (111)
++|++. ++|.|-- .+|+.||.+++.
T Consensus 77 ~~fi~~------~~lVaHNa~FD~~fL~~el~ 102 (225)
T TIGR01406 77 LDFIGG------SELVIHNAAFDVGFLNYELE 102 (225)
T ss_pred HHHhCC------CEEEEEecHHHHHHHHHHHH
Confidence 999854 4566655 999999987753
This model represents DnaQ, the DNA polymerase III epsilon subunit, as found in most Proteobacteria. It consists largely of an exonuclease domain as described in pfam model pfam00929. In Gram-positive bacteria, closely related regions are found both in the Gram-positive type DNA polymerase III alpha subunit and as an additional N-terminal domain of a DinG-family helicase. Both are excluded from this model, as are smaller proteins, also outside the Proteobacteria, that are similar in size to the epsilon subunit but as different in sequence as are the epsilon-like regions found in Gram-positive bacteria.
>PRK06309 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=97.48 E-value=0.00018 Score=55.75 Aligned_cols=90 Identities=13% Similarity=0.103 Sum_probs=65.1
Q ss_pred CCCCCCCCccccccHhhhhhhe--eeCCceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYL--QTQGTCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVA 79 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~l--vTd~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fik 79 (111)
..||++|.+++.-| .+++ .+.+-....|.+... ..+-+...| |++++-.+...+..+|-.++++|+.
T Consensus 10 ETTGl~~~~d~IIe----ig~v~~~~~~~f~~lv~P~~~----I~~~a~~Ih---GIt~e~v~~~p~f~ev~~~~~~fi~ 78 (232)
T PRK06309 10 ETTGTQIDKDRIIE----IAAYNGVTSESFQTLVNPEIP----IPAEASKIH---GITTDEVADAPKFPEAYQKFIEFCG 78 (232)
T ss_pred eCCCCCCCCCEEEE----EEEEcCccccEEEEEeCCCCC----CChhHHhhc---CCCHHHHhCCCCHHHHHHHHHHHHc
Confidence 46899999998888 4444 223334445554332 344566666 9998888888899999999999984
Q ss_pred hhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 80 KYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 80 k~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
. ....+|-|+ .+|+.||.+.+.+
T Consensus 79 ~----~~~lVaHN~~~FD~~~L~~e~~r 102 (232)
T PRK06309 79 T----DNILVAHNNDAFDFPLLRKECRR 102 (232)
T ss_pred C----CCEEEEeCCHHHHHHHHHHHHHH
Confidence 2 234678898 9999999988754
>PRK06310 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=97.45 E-value=0.00032 Score=55.20 Aligned_cols=89 Identities=11% Similarity=0.079 Sum_probs=66.9
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQ 76 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~ 76 (111)
..||++|..++.-+ .++|.++.+ .+..|++.. ...+-+...| |++++..+...+.+++-.++++
T Consensus 15 ETTGl~~~~d~IIE----Ia~v~v~~~~~~~~~~~li~P~~----~I~~~a~~ih---gIt~e~v~~~p~~~ev~~~~~~ 83 (250)
T PRK06310 15 ETTGLDVKKDRIIE----FAAIRFTFDEVIDSVEFLINPER----VVSAESQRIH---HISDAMLRDKPKIAEVFPQIKG 83 (250)
T ss_pred eCCCCCCCCCeEEE----EEEEEEECCeEEEEEEEEECcCC----CCCHhhhhcc---CcCHHHHhCCCCHHHHHHHHHH
Confidence 46899999999888 777777543 333455442 2444555555 5888888888899999999999
Q ss_pred HHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 77 FVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 77 fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
|+.. ..+|+|.+ .+|+.||.+.+++
T Consensus 84 fl~~-----~~~lvghn~~FD~~~L~~~~~r 109 (250)
T PRK06310 84 FFKE-----GDYIVGHSVGFDLQVLSQESER 109 (250)
T ss_pred HhCC-----CCEEEEECHHHHHHHHHHHHHH
Confidence 9853 25799999 9999999988754
>PRK05711 DNA polymerase III subunit epsilon; Provisional
Back Show alignment and domain information
Probab=97.42 E-value=0.00023 Score=56.18 Aligned_cols=88 Identities=11% Similarity=0.131 Sum_probs=67.5
Q ss_pred CCCCCCCC-ccccccHhhhhhhee------eCCceeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPS-NTALSSMEQVKAYLQ------TQGTCKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~-~~~l~s~~q~~~~lv------Td~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|. +++.-| .++|. |.+.+...|++.. .+++.+.+.| |++++....+.+.+++-.++
T Consensus 12 ETTGldp~~~drIIE----IGaV~v~~~~~~~~~f~~~i~P~~----~i~~~a~~VH---GIT~e~l~~~p~f~ev~~~f 80 (240)
T PRK05711 12 ETTGLNQREGHRIIE----IGAVELINRRLTGRNFHVYIKPDR----LVDPEALAVH---GITDEFLADKPTFAEVADEF 80 (240)
T ss_pred eCCCcCCCCCCeEEE----EEEEEEECCEEeccEEEEEECcCC----cCCHHHhhhc---CCCHHHHcCCCCHHHHHHHH
Confidence 36899998 788888 55543 3344566676643 5889999998 99999888889999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
++|++. ++|+|-- .+|+.||.+++.+
T Consensus 81 ~~fi~~------~~lVaHNa~FD~~fL~~el~r 107 (240)
T PRK05711 81 LDFIRG------AELIIHNAPFDIGFMDYEFAL 107 (240)
T ss_pred HHHhCC------CEEEEEccHHhHHHHHHHHHH
Confidence 999854 4566766 9999999987533
>cd06133 ERI-1_3'hExo_like DEDDh 3'-5' exonuclease domain of Caenorhabditis elegans ERI-1, human 3' exonuclease, and similar proteins
Back Show alignment and domain information
Probab=97.32 E-value=0.00048 Score=49.18 Aligned_cols=90 Identities=12% Similarity=0.072 Sum_probs=64.3
Q ss_pred CCCCCCCCc-----cccccHhhhhhheeeCC-c------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHH
Q psy13232 2 DNIGNRPSN-----TALSSMEQVKAYLQTQG-T------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEE 69 (111)
Q Consensus 2 ~~~~~~p~~-----~~l~s~~q~~~~lvTd~-G------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~ 69 (111)
..+|+.|.. +.+-| .+++..|+ + ++..|+++.. ..+++++.+. +|++.+-.++..+.++
T Consensus 7 Ettg~~~~~~~~~~~~Iie----Igav~v~~~~~~~~~~f~~~i~P~~~--~~i~~~~~~i---~gIt~e~l~~~~~~~~ 77 (176)
T cd06133 7 EATCWEGNSKPDYPNEIIE----IGAVLVDVKTKEIIDTFSSYVKPVIN--PKLSDFCTEL---TGITQEDVDNAPSFPE 77 (176)
T ss_pred eccccCCCCCCCCCcceEE----EEEEEEEcCCCeEEeeeeeeECCCcC--CchhHHHHHh---cCcCHHHHhcCCCHHH
Confidence 357888864 56666 55555443 3 3456665542 4678889888 6799888888899999
Q ss_pred HHHHHHHHHHhhCCCCCCcccCCcHHhHHHHhhc
Q psy13232 70 ADKRLHQFVAKYVKPKTAPMVGEYHTSKELLKDS 103 (111)
Q Consensus 70 AE~~ll~fikk~vp~~~~pLaGNS~~DR~FL~ky 103 (111)
|-.++++|++... ...+++|..+|.+||.++
T Consensus 78 vl~~~~~~l~~~~---~~~~v~~~~~d~~~l~~~ 108 (176)
T cd06133 78 VLKEFLEWLGKNG---KYAFVTWGDWDLKDLLQN 108 (176)
T ss_pred HHHHHHHHHHhCC---CeEEEeecHhhHHHHHHH
Confidence 9999999998863 357889996666666554
This subfamily is composed of Caenorhabditis elegans ERI-1, human 3' exonuclease (3'hExo), Drosophila exonuclease snipper (snp), and similar proteins from eukaryotes and bacteria. These are DEDDh-type DnaQ-like 3'-5' exonucleases containing three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. ERI-1 has been implicated in the degradation of small interfering RNAs (RNAi). 3'hExo participates in the degradation of histone mRNAs. Snp is a non-essential exonuclease that efficiently degrades structured RNA and DNA substrates as long as there is a minimum of 2 nucleotides in the 3' overhang to initiate degradation. Snp is not a functional ho
>PRK07740 hypothetical protein; Provisional
Back Show alignment and domain information
Probab=97.06 E-value=0.0011 Score=51.95 Aligned_cols=86 Identities=19% Similarity=0.228 Sum_probs=64.7
Q ss_pred CCCCCCCCc-cccccHhhhhhheeeCCcee------eeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSN-TALSSMEQVKAYLQTQGTCK------CGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~-~~l~s~~q~~~~lvTd~G~~------~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|+. +.+.| .+++.+++|.. ..|+++. .+.+.+++. +|++++..+...+.++|-.++
T Consensus 67 ETTGl~p~~~deIIe----IgaV~~~~~~i~~~~f~~lv~P~~----~i~~~~~~l---tGIt~e~l~~ap~~~evl~~f 135 (244)
T PRK07740 67 ETTGFSPQQGDEILS----IGAVKTKGGEVETDTFYSLVKPKR----PIPEHILEL---TGITAEDVAFAPPLAEVLHRF 135 (244)
T ss_pred eCCCCCCCCCCeEEE----EEEEEEECCEEEEEEEEEEeCcCC----CCChhheec---cCCCHHHHhCCCCHHHHHHHH
Confidence 368999985 77777 78888887643 2444432 567777765 578877777788999999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
++|+.. .+++|-. .+|+.||.+.+
T Consensus 136 ~~fi~~------~~lVahna~fD~~fL~~~~ 160 (244)
T PRK07740 136 YAFIGA------GVLVAHHAGHDKAFLRHAL 160 (244)
T ss_pred HHHhCC------CEEEEeCHHHHHHHHHHHH
Confidence 998753 4788988 99999998754
>cd06144 REX4_like DEDDh 3'-5' exonuclease domain of RNA exonuclease 4, XPMC2, Interferon Stimulated Gene product of 20 kDa, and similar proteins
Back Show alignment and domain information
Probab=96.78 E-value=0.0019 Score=46.65 Aligned_cols=56 Identities=14% Similarity=0.230 Sum_probs=45.8
Q ss_pred hccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 42 NMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 42 ~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
.+.+++++.| |++++-.+...+.++|-.++++|+.. ++|.|-. .+|+.||....|+
T Consensus 42 ~i~~~~~~ih---GIt~~~v~~a~~~~~~~~~l~~~l~~------~vlVgHn~~fD~~~L~~~~~~ 98 (152)
T cd06144 42 PVTDYRTAVS---GIRPEHLKDAPDFEEVQKKVAELLKG------RILVGHALKNDLKVLKLDHPK 98 (152)
T ss_pred CCCcccccCC---CCCHHHHcCCCCHHHHHHHHHHHhCC------CEEEEcCcHHHHHHhcCcCCC
Confidence 4778999887 88876666788999999999999842 5788877 9999999876664
This subfamily is composed of RNA exonuclease 4 (REX4 or Rex4p), XPMC2, Interferon (IFN) Stimulated Gene product of 20 kDa (ISG20), and similar proteins. REX4 is involved in pre-rRNA processing. It controls the ratio between the two forms of 5.8S rRNA in yeast. XPMC2 is a Xenopus gene which was identified through its ability to correct a mitotic defect in fission yeast. The human homolog of XPMC2 (hPMC2) may be involved in angiotensin II-induced adrenal cell cycle progression and cell proliferation. ISG20 is an IFN-induced antiviral exonuclease with a strong preference for single-stranded RNA and minor activity towards single-stranded DNA. These proteins are DEDDh-type DnaQ-like 3'-5' exonucleases containing three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clus
>TIGR01298 RNaseT ribonuclease T
Back Show alignment and domain information
Probab=96.72 E-value=0.002 Score=48.95 Aligned_cols=94 Identities=21% Similarity=0.150 Sum_probs=64.7
Q ss_pred CCCCCCCCccccccHhhhhhheee--C--------CceeeeeecCHHHHhhccchhhhccccccchH-HHHhCCCCHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQT--Q--------GTCKCGLYYNEEVLQNMNEWCVEHHNASGLTD-RVRASSVSIEEA 70 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvT--d--------~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~-~vr~S~~s~~~A 70 (111)
..||++|.++.+-| .+++.. | +.+...|+++.. ..+.....+. .|+++ +......+.++|
T Consensus 16 ETTGl~~~~d~Iie----Igav~v~~~~~g~i~~~~~f~~~v~p~p~--~~i~~~a~~i---hGIt~~~~~~~~~~~~~~ 86 (200)
T TIGR01298 16 ETGGFNAKTDALLE----IAAITLKMDEQGWLFPDTTLHFHVEPFEG--ANIQPEALEF---TGIDLDHPLRGAVSEYEA 86 (200)
T ss_pred eCCCCCCCCCeEEE----EEEEEEEEcCCCcEeecceeEEEEcCCCC--CCCCHHHHHc---cCCChhhhhhcCcchHHH
Confidence 36899999998888 555543 2 223445554221 2344555555 47774 445567899999
Q ss_pred HHHHHHHHHhhCC---CCCCcccCCc-HHhHHHHhhcc
Q psy13232 71 DKRLHQFVAKYVK---PKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 71 E~~ll~fikk~vp---~~~~pLaGNS-~~DR~FL~kym 104 (111)
-.++++|+.+++. .+.++|+|-- -+|.+||.+++
T Consensus 87 ~~~~~~~l~~~~~~~~~~~~~lVaHNa~FD~~fL~~~~ 124 (200)
T TIGR01298 87 LHEIFKVVRKAMKASGCQRAILVGHNANFDLGFLNAAV 124 (200)
T ss_pred HHHHHHHHHHHHHhcccCCCEEEEECchhhHHHHHHHH
Confidence 9999999988864 2567888877 99999998865
in gamma-subdivision Proteobacteria such as Escherichia coli and Xylella fastidiosa. Ribonuclease T is homologous to the DNA polymerase III alpha chain. It can liberate AMP from the common C-C-A terminus of uncharged tRNA. It appears also to be involved in RNA maturation. It also acts as a 3' to 5' single-strand DNA-specific exonuclease; it is distinctive for its ability to remove residues near a double-stranded stem. Ribonuclease T is a high copy suppressor in E. coli of a uv-repair defect caused by deletion of three other single-stranded DNA exonucleases.
>PRK09146 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=96.72 E-value=0.0024 Score=50.21 Aligned_cols=87 Identities=15% Similarity=0.113 Sum_probs=62.2
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCce-------eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGTC-------KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G~-------~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
..||++|.++..-| .+++..++|- ...|++.. ...+.+.+.| |++++-.+...+.+++-.++
T Consensus 55 ETTGl~p~~d~Iie----Ig~v~v~~~~i~~~~~~~~li~P~~----~i~~~~~~Ih---GIt~e~l~~ap~~~evl~~l 123 (239)
T PRK09146 55 ETTGLDAEQDAIVS----IGLVPFTLQRIRCRQARHWVVKPRR----PLEEESVVIH---GITHSELQDAPDLERILDEL 123 (239)
T ss_pred ECCCCCCCCCcEEE----EEEEEEECCeEeecceEEEEECCCC----CCChhhhhhc---CCCHHHHhCCCCHHHHHHHH
Confidence 36899999999888 7777776652 23344432 3566777776 56666666678999999999
Q ss_pred HHHHHhhCCCCCCcccCCcHHhHHHHhhcc
Q psy13232 75 HQFVAKYVKPKTAPMVGEYHTSKELLKDSD 104 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS~~DR~FL~kym 104 (111)
++|++. ..++|.|-.+|+.||.+.+
T Consensus 124 ~~~~~~-----~~lVaHna~FD~~fL~~~l 148 (239)
T PRK09146 124 LEALAG-----KVVVVHYRRIERDFLDQAL 148 (239)
T ss_pred HHHhCC-----CEEEEECHHHHHHHHHHHH
Confidence 998743 3355666699999998864
>PRK07942 DNA polymerase III subunit epsilon; Provisional
Back Show alignment and domain information
Probab=96.71 E-value=0.0035 Score=48.72 Aligned_cols=93 Identities=14% Similarity=0.084 Sum_probs=65.1
Q ss_pred CCCCCCCCccccccHhhhhhheeeCC-c-----eeeeeecCHHHHhhccchhhhccccccchHH-HHhCCCCHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQG-T-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDR-VRASSVSIEEADKRL 74 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~-G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~-vr~S~~s~~~AE~~l 74 (111)
..||++|..+..-| .+++..|. | ....|.+.. .+.+-+.+.| |++++ ++..+...+++=.++
T Consensus 14 ETTGl~p~~d~Iie----ig~v~v~~~g~~~~~~~~lv~P~~----~i~~~a~~Ih---GIt~e~l~~~g~~~~~vl~e~ 82 (232)
T PRK07942 14 ETTGVDPETARIVT----AALVVVDADGEVVESREWLADPGV----EIPEEASAVH---GITTEYARAHGRPAAEVLAEI 82 (232)
T ss_pred ccCCCCCCCCeeEE----EEEEEEeCCCccccceEEEECCCC----CCCHHHHHHh---CCCHHHHHhhCCCHHHHHHHH
Confidence 36899999988887 66666663 3 223344332 3677778776 56654 454477888999999
Q ss_pred HHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 75 HQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 75 l~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+++|++++..+. +|+|-- .+|+.||.+.+.+
T Consensus 83 ~~~l~~~~~~~~-~lVahNa~FD~~fL~~~~~r 114 (232)
T PRK07942 83 ADALREAWARGV-PVVVFNAPYDLTVLDRELRR 114 (232)
T ss_pred HHHHHHHhhcCC-EEEEeCcHhhHHHHHHHHHH
Confidence 999998874454 566655 9999999887643
>PRK11779 sbcB exonuclease I; Provisional
Back Show alignment and domain information
Probab=96.69 E-value=0.0024 Score=55.28 Aligned_cols=93 Identities=15% Similarity=0.108 Sum_probs=64.0
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCce-------eeeeecCHHHHhhccchhhhccccccchHH-HHhCCCCHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGTC-------KCGLYYNEEVLQNMNEWCVEHHNASGLTDR-VRASSVSIEEADKR 73 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G~-------~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~-vr~S~~s~~~AE~~ 73 (111)
..||++|..++..+ .++|.+|++. +..+.++...+-.-. ... -+|++++ ++..++++.++-.+
T Consensus 14 ETTGLdP~~DrIIe----iAaVrvd~~~~~i~e~~~~~~~P~~~~lp~p~--a~~---IhGIT~e~l~~~g~~e~e~~~~ 84 (476)
T PRK11779 14 ETFGANPALDRPAQ----FAGIRTDADLNIIGEPLVFYCKPADDYLPSPE--AVL---ITGITPQEALEKGLPEAEFAAR 84 (476)
T ss_pred ECCCCCCCCCeeEE----EEEEEEeCCCceecceeEEEEcCCcCcCCCHH--HHH---HhCCCHHHHHhcCCCHHHHHHH
Confidence 36999999999999 8999888763 233444332332111 122 2578865 45678899999999
Q ss_pred HHHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 74 LHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 74 ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+.+|+.. ++.+.++-|+ .+|..||.+.+.+
T Consensus 85 i~~~l~~---~~~~lVGhNni~FD~eflr~~~~r 115 (476)
T PRK11779 85 IHAEFSQ---PGTCILGYNNIRFDDEVTRYIFYR 115 (476)
T ss_pred HHHHHhc---CCCEEEEeCchhhcHHHHHHHHHh
Confidence 9999862 4556565688 9999999886643
>TIGR00573 dnaq exonuclease, DNA polymerase III, epsilon subunit family
Back Show alignment and domain information
Probab=96.67 E-value=0.0041 Score=47.54 Aligned_cols=88 Identities=11% Similarity=0.140 Sum_probs=63.3
Q ss_pred CCCCCCCCccccccHhhhhhhee-eCCce-----eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQ-TQGTC-----KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lv-Td~G~-----~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
..||++|.++ .-| .+++. .+++. ...|.+. ..+++-+...| |++++-.+...+.+++-.++.
T Consensus 15 ETTGl~~~~~-IIe----Igav~v~~~~~~~~~f~~li~P~----~~i~~~a~~ih---GIt~e~l~~~p~~~ev~~~~~ 82 (217)
T TIGR00573 15 ETTGLYAGHD-IIE----IGAVEIINRRITGNKFHTYIKPD----RPIDPDAIKIH---GITDDMLKDKPDFKEIAEDFA 82 (217)
T ss_pred cCCCCCCCCC-EEE----EEEEEEECCCEeeeEEEEEECcC----CCCCHHHHhhc---CCCHHHHcCCCCHHHHHHHHH
Confidence 4689999888 666 56655 44432 2344433 35677777776 688777777889999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
+|++. .++.|-. .+|+.||.+.+.++
T Consensus 83 ~~~~~------~~lVaHNa~FD~~fL~~~~~r~ 109 (217)
T TIGR00573 83 DYIRG------AELVIHNASFDVGFLNYEFSKL 109 (217)
T ss_pred HHhCC------CEEEEeccHHHHHHHHHHHHHh
Confidence 98853 4677777 99999999987653
All proteins in this family for which functions are known are components of the DNA polymerase III complex (epsilon subunit). There is, however, an outgroup that includes paralogs in some gamma-proteobacteria and the n-terminal region of DinG from some low GC gram positive bacteria. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University).
>PRK06807 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=96.61 E-value=0.0046 Score=50.58 Aligned_cols=87 Identities=15% Similarity=0.153 Sum_probs=64.2
Q ss_pred CCCCCCCccccccHhhhhhheeeCCc-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGT-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQF 77 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~f 77 (111)
.||++|..+.+-+ .+++..+.| ++..|.+.. .+.+.+++.| |++++..+...+.++|-.++++|
T Consensus 17 TTGl~p~~~eIIE----IgaV~v~~g~i~~~f~~lVkP~~----~I~~~a~~ih---GIT~e~l~~~~~~~evl~~f~~f 85 (313)
T PRK06807 17 TTGFNPYNDKIIQ----VAAVKYRNHELVDQFVSYVNPER----PIPDRITSLT---GITNYRVSDAPTIEEVLPLFLAF 85 (313)
T ss_pred CCCCCCCCCeEEE----EEEEEEECCEEEEEEEEEECcCC----CCCHhhhccC---CCCHHHHhCCCCHHHHHHHHHHH
Confidence 5899998888777 666666665 233455432 4677777664 68888888888999999999999
Q ss_pred HHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 78 VAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 78 ikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+... +|.|.- .+|++||.+.+.+
T Consensus 86 l~~~------~lVaHNa~FD~~fL~~~~~~ 109 (313)
T PRK06807 86 LHTN------VIVAHNASFDMRFLKSNVNM 109 (313)
T ss_pred HcCC------eEEEEcHHHHHHHHHHHHHH
Confidence 8643 355555 9999999987644
>PRK05168 ribonuclease T; Provisional
Back Show alignment and domain information
Probab=96.59 E-value=0.0021 Score=49.19 Aligned_cols=94 Identities=20% Similarity=0.185 Sum_probs=66.1
Q ss_pred CCCCCCCCccccccHhhhhhheee--C--------CceeeeeecCHHHHhhccchhhhccccccchHH-HHhCCCCHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQT--Q--------GTCKCGLYYNEEVLQNMNEWCVEHHNASGLTDR-VRASSVSIEEA 70 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvT--d--------~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~-vr~S~~s~~~A 70 (111)
..||++|.+++.-| .+++.. | +-+...|.+++. ....+-+++.| |++++ ..+..++.++|
T Consensus 25 ETTGl~~~~d~Iie----IgaV~v~~d~~g~i~~~~~f~~lv~P~~~--~~i~~~~~~ih---GIt~e~~~~~~~~~~~~ 95 (211)
T PRK05168 25 ETAGFNAKTDALLE----IAAVTLKMDEQGWLYPDETLHFHVEPFEG--ANLEPEALAFN---GIDPDNPLRGAVSEKEA 95 (211)
T ss_pred eCCCCCCCCCEEEE----EeEEEEEecCCCcEeccceEEEEECCCCC--CCCCHHHHhhc---CCCchhhhhcCCChHHH
Confidence 36899999988888 444432 2 223344555322 13566677665 66754 45667899999
Q ss_pred HHHHHHHHHhhCCC---CCCcccCCc-HHhHHHHhhcc
Q psy13232 71 DKRLHQFVAKYVKP---KTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 71 E~~ll~fikk~vp~---~~~pLaGNS-~~DR~FL~kym 104 (111)
-.++++|+.+++.. +.++++|=- .+|..||.+++
T Consensus 96 l~~~~~~l~~~~~~~~~~~~~lVaHNa~FD~~fL~~~~ 133 (211)
T PRK05168 96 LHEIFKMVRKGIKASGCNRAILVAHNAHFDLSFLMAAA 133 (211)
T ss_pred HHHHHHHHHHHHHhcccCCceEEEeccHHhHHHHHHHH
Confidence 99999999988642 346888888 99999998865
>cd06134 RNaseT DEDDh 3'-5' exonuclease domain of RNase T
Back Show alignment and domain information
Probab=96.56 E-value=0.0025 Score=47.86 Aligned_cols=94 Identities=22% Similarity=0.210 Sum_probs=65.0
Q ss_pred CCCCCCCCccccccHhhhhhheeeC----------CceeeeeecCHHHHhhccchhhhccccccchHH-HHhCCCCHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQ----------GTCKCGLYYNEEVLQNMNEWCVEHHNASGLTDR-VRASSVSIEEA 70 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd----------~G~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~-vr~S~~s~~~A 70 (111)
..||++|.+++.-| .+++..+ +.+...|.++++ ....+...+.| |++++ ..+..+..+++
T Consensus 13 ETTGl~~~~d~Iie----igav~v~~~~~~~i~~~~~f~~lv~P~~~--~~i~~~~~~ih---GIt~~~~~~~~~~~~~~ 83 (189)
T cd06134 13 ETGGFNPQTDALLE----IAAVTLEMDEQGNLYPDETFHFHILPFEG--ANLDPAALEFN---GIDPFHPFRFAVDEKEA 83 (189)
T ss_pred cCCCCCCCCCeEEE----EEEEEEEECCCCceeccceEEEEEcCCCC--CCCCHHHHhhc---CCCchhhhccccchHHH
Confidence 46999999999888 5555332 223344554322 24556666665 56654 35567888889
Q ss_pred HHHHHHHHHhhCCC---CCCcccCCc-HHhHHHHhhcc
Q psy13232 71 DKRLHQFVAKYVKP---KTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 71 E~~ll~fikk~vp~---~~~pLaGNS-~~DR~FL~kym 104 (111)
-.++++||.+++.. +.++|+|=- .+|+.||.+++
T Consensus 84 ~~~~~~~l~~~~~~~~~~~~~lVaHna~FD~~fL~~~~ 121 (189)
T cd06134 84 LKEIFKPIRKALKAQGCTRAILVGHNAHFDLGFLNAAV 121 (189)
T ss_pred HHHHHHHHHHHHhhcccCCCeEEEecchhhHHHHHHHH
Confidence 99999999988742 346888877 99999999875
RNase T is a DEDDh-type DnaQ-like 3'-5' exoribonuclease E implicated in the 3' maturation of small stable RNAs and 23srRNA, and in the end turnover of tRNA. It contains three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. RNase T is related to the proofreading domain of DNA polymerase III. Despite its important role, RNase T is mainly found only in gammaproteobacteria. It is speculated that it might have originated from DNA polymerase III at the time the gamma division of proteobacteria diverged from other bacteria. RNase T is a homodimer with the catalytic residues of one monomer contacting a large basic patch on the other monomer to form a functional active site.
>cd06130 DNA_pol_III_epsilon_like an uncharacterized bacterial subgroup of the DEDDh 3'-5' exonuclease domain family with similarity to the epsilon subunit of DNA polymerase III
Back Show alignment and domain information
Probab=96.35 E-value=0.0071 Score=42.42 Aligned_cols=56 Identities=13% Similarity=0.207 Sum_probs=44.5
Q ss_pred hccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 42 NMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 42 ~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
.+.+-+++. +|++.+-.+...+.++|-+++++|+.+ .++.|.. .+|+.||.+++.+
T Consensus 42 ~~~~~~~~i---~GIt~e~l~~~~~~~~v~~~l~~~l~~------~~lv~hn~~fD~~~l~~~~~~ 98 (156)
T cd06130 42 RFDPFNIAI---HGITPEDVADAPTFPEVWPEIKPFLGG------SLVVAHNASFDRSVLRAALEA 98 (156)
T ss_pred CCChhhccc---cCcCHHHHhcCCCHHHHHHHHHHHhCC------CEEEEeChHHhHHHHHHHHHH
Confidence 556666655 578877766777899999999999865 5789999 9999999987755
This subfamily is composed of uncharacterized bacterial proteins with similarity to the epsilon subunit of DNA polymerase III (Pol III), a multisubunit polymerase which is the main DNA replicating enzyme in bacteria, functioning as the chromosomal replicase. The Pol III holoenzyme is a complex of ten different subunits, three of which (alpha, epsilon, and theta) compose the catalytic core. The Pol III epsilon subunit, encoded by the dnaQ gene, is a DEDDh-type 3'-5' exonuclease which is responsible for the proofreading activity of the polymerase, increasing the fidelity of DNA synthesis. It contains three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that ser
>PRK08517 DNA polymerase III subunit epsilon; Provisional
Back Show alignment and domain information
Probab=96.17 E-value=0.015 Score=46.34 Aligned_cols=86 Identities=13% Similarity=0.174 Sum_probs=64.0
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce-----eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC-----KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQF 77 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~-----~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~f 77 (111)
.+|++|.++..-| .+++..++|- ...|.++ .+.+.+++. .|++++-.....+.++|-.++++|
T Consensus 77 TTG~~~~~~~IIE----IGAv~v~~g~i~~~f~~~v~p~-----~ip~~~~~i---tGIt~e~l~~ap~~~evl~~f~~f 144 (257)
T PRK08517 77 TNGSKPKKHQIIE----IGAVKVKNGEIIDRFESFVKAK-----EVPEYITEL---TGITYEDLENAPSLKEVLEEFRLF 144 (257)
T ss_pred CCCCCCCCCeEEE----EEEEEEECCEEEEEEEEEECCC-----CCChhhhhh---cCcCHHHHcCCCCHHHHHHHHHHH
Confidence 5899999888777 6777666552 2345543 456677766 578877766788999999999999
Q ss_pred HHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 78 VAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 78 ikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+.. ++++|.. .+|..||.+++.+
T Consensus 145 l~~------~v~VaHNa~FD~~fL~~~l~r 168 (257)
T PRK08517 145 LGD------SVFVAHNVNFDYNFISRSLEE 168 (257)
T ss_pred HCC------CeEEEECHHHHHHHHHHHHHH
Confidence 854 4678888 9999999876543
>PRK06063 DNA polymerase III subunit epsilon; Provisional
Back Show alignment and domain information
Probab=96.11 E-value=0.0043 Score=50.56 Aligned_cols=86 Identities=15% Similarity=0.150 Sum_probs=61.2
Q ss_pred CCCCCCCCccccccHhhhhhheeeCC-c-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQG-T-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~-G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
..||++|..+..-| .+++..+. | +...|.+. .+...+..| |++++-.+...+.+++-.++.
T Consensus 23 ETTGl~p~~d~IIe----Igav~v~~~g~i~~~~~~lv~P~------~~~~~~~Ih---GIt~e~l~~ap~f~ev~~~l~ 89 (313)
T PRK06063 23 ETSGFRPGQARIIS----LAVLGLDADGNVEQSVVTLLNPG------VDPGPTHVH---GLTAEMLEGQPQFADIAGEVA 89 (313)
T ss_pred ECCCCCCCCCEEEE----EEEEEEECCceeeeEEEEEECcC------CCCCCeecC---CCCHHHHhCCCCHHHHHHHHH
Confidence 36899999888888 77777653 3 11233332 345666666 899888778788999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+|++. .+|+|-- .+|+.||.+.+.+
T Consensus 90 ~~l~~------~~lVaHNa~FD~~fL~~~~~r 115 (313)
T PRK06063 90 ELLRG------RTLVAHNVAFDYSFLAAEAER 115 (313)
T ss_pred HHcCC------CEEEEeCHHHHHHHHHHHHHH
Confidence 99842 3455555 9999999987643
>cd06145 REX1_like DEDDh 3'-5' exonuclease domain of RNA exonuclease 1, -3 and similar eukaryotic proteins
Back Show alignment and domain information
Probab=96.04 E-value=0.011 Score=42.89 Aligned_cols=64 Identities=16% Similarity=0.237 Sum_probs=46.9
Q ss_pred eeeecCHHHHhhccchhhhccccccchHHHHhCC-CCHHHHHHHHHHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 31 CGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASS-VSIEEADKRLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 31 ~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~-~s~~~AE~~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
-.|+++. ...++.++. +|++++-.+.. .+.++|..++++|+++ .++|+|.. .+|.+||....|+
T Consensus 32 ~lv~P~~----~i~~~~t~i---tGIt~~~l~~a~~~~~~v~~~~~~fl~~-----~~vlVgHn~~fD~~fL~~~~~~ 97 (150)
T cd06145 32 ELVKPDG----EIVDYNTRF---SGITEEMLENVTTTLEDVQKKLLSLISP-----DTILVGHSLENDLKALKLIHPR 97 (150)
T ss_pred EeECCCC----ccchhccCc---CCCCHHHhccCCCCHHHHHHHHHHHhCC-----CCEEEEcChHHHHHHhhccCCC
Confidence 3455543 355555555 78996554444 6999999999999962 36899999 9999999876654
This subfamily is composed of RNA exonuclease 1 (REX1 or Rex1p), REX3 (or Rex3p), and similar eukaryotic proteins. In yeast, REX1 and REX3 are required for 5S rRNA and MRP (mitochondrial RNA processing) RNA maturation, respectively. They are DEDDh-type DnaQ-like 3'-5' exonucleases containing three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. REX1 is the major exonuclease responsible for pre-tRNA trail trimming and may also be involved in nuclear CCA turnover. REX proteins function in the processing and maturation of many RNA species, similar to the function of Escherichia coli RNase T.
>PRK07883 hypothetical protein; Validated
Back Show alignment and domain information
Probab=95.96 E-value=0.016 Score=50.80 Aligned_cols=85 Identities=16% Similarity=0.218 Sum_probs=64.8
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce-----eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC-----KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQF 77 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~-----~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~f 77 (111)
.||++|.++.+-+ .+++..++|- ...|.+. ..+.+-++..| |++++..+...+.++|-.++++|
T Consensus 24 TTGl~p~~~~IIE----IgaV~v~~g~iv~~f~~lV~P~----~~i~~~~~~it---GIt~e~l~~ap~~~evl~~f~~f 92 (557)
T PRK07883 24 TTGGSPAGDAITE----IGAVKVRGGEVLGEFATLVNPG----RPIPPFITVLT---GITTAMVAGAPPIEEVLPAFLEF 92 (557)
T ss_pred cCCCCCCCCeEEE----EEEEEEECCEEEEEEEEEECCC----CCCChhHHhhc---CCCHHHHhCCCCHHHHHHHHHHH
Confidence 6899999888888 7777776652 2344443 24566677664 68888888889999999999999
Q ss_pred HHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 78 VAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 78 ikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
+.. ++++|.. .+|+.||.+.+
T Consensus 93 l~~------~~lVaHNa~FD~~fL~~~~ 114 (557)
T PRK07883 93 ARG------AVLVAHNAPFDIGFLRAAA 114 (557)
T ss_pred hcC------CEEEEeCcHHHHHHHHHHH
Confidence 863 5788977 99999998764
>cd06137 DEDDh_RNase DEDDh 3'-5' exonuclease domain of the eukaryotic exoribonucleases PAN2, RNA exonuclease (REX)-1,-3, and -4, ISG20, and similar proteins
Back Show alignment and domain information
Probab=95.33 E-value=0.02 Score=41.77 Aligned_cols=87 Identities=13% Similarity=0.178 Sum_probs=55.5
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce---eeeeecCHHHHhhccchhhhccccccchHHHHhCCCC-------HHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC---KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVS-------IEEADK 72 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~---~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s-------~~~AE~ 72 (111)
.||++|.++.+-+ .+++.-.+|- +..|.++ ..+.++.++.| |++++-.+...+ .++|..
T Consensus 7 ttGl~~~~d~ii~----Ig~V~v~~g~i~~~~~v~P~----~~i~~~~~~i~---GIt~~~l~~a~~~~~~~~~~~~~~~ 75 (161)
T cd06137 7 MVGLADGDSEVVR----ISAVDVLTGEVLIDSLVRPS----VRVTDWRTRFS---GVTPADLEEAAKAGKTIFGWEAARA 75 (161)
T ss_pred eeeEcCCCCEEEE----EEEEEcCCCeEEEeccccCC----CCCCccceecc---CCCHHHHhhhhhcCCccccHHHHHH
Confidence 5899998888777 5555553332 2223332 34567777664 666554333222 358888
Q ss_pred HHHHHHHhhCCCCCCcccCCc-HHhHHHHhhccc
Q psy13232 73 RLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDH 105 (111)
Q Consensus 73 ~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP 105 (111)
++++|++. .++|.|-. .+|.+||....|
T Consensus 76 ~~~~~i~~-----~~vlVgHn~~fD~~fL~~~~~ 104 (161)
T cd06137 76 ALWKFIDP-----DTILVGHSLQNDLDALRMIHT 104 (161)
T ss_pred HHHHhcCC-----CcEEEeccHHHHHHHHhCcCC
Confidence 88888742 36899999 999999986544
This group is composed of eukaryotic exoribonucleases that include PAN2, RNA exonuclease 1 (REX1 or Rex1p), REX3 (Rex3p), REX4 (or Rex4p), ISG20, and similar proteins. They are DEDDh-type DnaQ-like 3'-5' exonucleases containing three conserved sequence motifs termed ExoI, ExoII and ExoIII, with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. PAN2 is the catalytic subunit of poly(A) nuclease (PAN), a Pab1p-dependent 3'-5' exoribonuclease which plays an important role in the posttranscriptional maturation of pre-mRNAs. REX proteins are required for the processing and maturation of many RNA species, and ISG20 is an interferon-induced antiviral exonuclease with a strong prefere
>TIGR01405 polC_Gram_pos DNA polymerase III, alpha chain, Gram-positive type
Back Show alignment and domain information
Probab=95.31 E-value=0.033 Score=53.24 Aligned_cols=87 Identities=13% Similarity=0.180 Sum_probs=65.7
Q ss_pred CCCCCCCccccccHhhhhhheeeCCcee-----eeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTCK-----CGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQF 77 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~~-----~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~f 77 (111)
.||++|.++.+-+ .+++..+.|-. ..|. |. ....+.+++ -+|++++..++..+.++|-.++++|
T Consensus 199 TTGL~~~~d~IIE----IGAVkv~~g~iid~f~~~V~-P~---~~I~~~~~~---ltGIT~e~L~~ap~~~evl~~f~~f 267 (1213)
T TIGR01405 199 TTGLSPQYDEIIE----FGAVKVKNGRIIDKFQFFIK-PH---EPLSAFVTE---LTGITQDMLENAPEIEEVLEKFKEF 267 (1213)
T ss_pred ecCCCCCCCeEEE----EEEEEEECCeEEEEEEEEEC-CC---CCCCHHHHH---HhCCCHHHHhCCCCHHHHHHHHHHH
Confidence 5899999999888 77777776622 2343 32 234555555 4688988888899999999999999
Q ss_pred HHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 78 VAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 78 ikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
++. ++|+|-. .+|..||.+.+.+
T Consensus 268 l~~------~iLVaHNa~FD~~fL~~~~~r 291 (1213)
T TIGR01405 268 FKD------SILVAHNASFDIGFLNTNFEK 291 (1213)
T ss_pred hCC------CeEEEEChHHHHHHHHHHHHH
Confidence 853 5677777 9999999987654
The N-terminal region of about 200 amino acids is rich in low-complexity sequence, poorly alignable, and not included n this model.
>PF00929 RNase_T: Exonuclease; InterPro: IPR013520 This entry includes a variety of exonuclease proteins, such as ribonuclease T [] and the epsilon subunit of DNA polymerase III
Back Show alignment and domain information
Probab=94.81 E-value=0.02 Score=38.86 Aligned_cols=94 Identities=17% Similarity=0.236 Sum_probs=64.8
Q ss_pred CCCCCCCccccccHhhhhhheeeCC-c------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQG-T------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~-G------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
.+|++|.+...-| .+++..+. . ++..|.+.. -..+++|+++.|+ ++.+-.+...+..+|-.++.
T Consensus 7 ttg~~~~~~~iie----ig~v~~~~~~~~~~~~~~~~i~p~~--~~~i~~~~~~~~g---It~~~l~~~~~~~~~~~~~~ 77 (164)
T PF00929_consen 7 TTGLDPRQDEIIE----IGAVKVDDDENEEVESFNSLIRPEE--PPKISPWATKVHG---ITQEDLEDAPSFEEALDEFE 77 (164)
T ss_dssp ESSSTTTTCTEEE----EEEEEEETTTTEEEEEEEEEBEHSS--HCSSEHHHHHHHH---HCHHHHHCHCEHHHHHHHHH
T ss_pred cCCCCCCCCeEEE----EEEEEeeCCccccceeeeecccccc--cccCCHHHeeecC---CcccccccCCcHHHHHHhhh
Confidence 4788887777776 44444433 2 233343333 2579999999885 66666667778999999999
Q ss_pred HHHHhh---CCCCCCcccCCc-HHhHHHHhhccc
Q psy13232 76 QFVAKY---VKPKTAPMVGEY-HTSKELLKDSDH 105 (111)
Q Consensus 76 ~fikk~---vp~~~~pLaGNS-~~DR~FL~kymP 105 (111)
+|+++. +..+....+|.. ..+++++.+.+|
T Consensus 78 ~~~~~~~~~v~~n~~fd~~~l~~~~~~~~~~~~~ 111 (164)
T PF00929_consen 78 EFLKKNDILVGHNASFDIGFLRREDKRFLGKPIP 111 (164)
T ss_dssp HHHHHHTEEEETTCCHEEESSHHHHHHHHHHHHH
T ss_pred hhhhcccccccccccchhhHHHHhhhhccccccc
Confidence 999853 224456677778 888888777665
Ribonuclease T is responsible for the end-turnover of tRNA,and removes the terminal AMP residue from uncharged tRNA. DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria, and also exhibits 3' to 5' exonuclease activity.; PDB: 3CM6_A 3CM5_A 3CG7_A 1ZBU_B 1ZBH_A 1W0H_A 3NGY_C 2IS3_B 3NH1_C 3NH2_F ....
>cd06149 ISG20 DEDDh 3'-5' exonuclease domain of Interferon Stimulated Gene product of 20 kDa, and similar proteins
Back Show alignment and domain information
Probab=94.49 E-value=0.091 Score=38.38 Aligned_cols=88 Identities=15% Similarity=0.151 Sum_probs=58.9
Q ss_pred CCCCCCCccccccHhhhhhheeeCCcee---eeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTCK---CGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVA 79 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~~---~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fik 79 (111)
-||++|.+.. . +..++.+|...|-. ..|.++ ..+.+|.++. +|++++-.+...+.++|..++++|++
T Consensus 7 ttGl~~~~~~-~--~i~~i~~v~~~g~~~~~~lv~P~----~~i~~~~~~i---~GIt~~~l~~a~~~~~v~~~l~~~l~ 76 (157)
T cd06149 7 MVGTGPGGRE-S--ELARCSIVNYHGDVLYDKYIRPE----GPVTDYRTRW---SGIRRQHLVNATPFAVAQKEILKILK 76 (157)
T ss_pred eccccCCCCe-E--EEEEEEEEeCCCCEEEEEeECCC----CccCccceEC---CCCCHHHHhcCCCHHHHHHHHHHHcC
Confidence 5899997511 1 22234444423322 223333 2356777766 58887776778999999999999984
Q ss_pred hhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 80 KYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 80 k~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
. ++|.|=+ .+|-.||....|.
T Consensus 77 ~------~vlV~Hn~~~D~~~l~~~~~~ 98 (157)
T cd06149 77 G------KVVVGHAIHNDFKALKYFHPK 98 (157)
T ss_pred C------CEEEEeCcHHHHHHhcccCCC
Confidence 3 5799999 9999999987443
Interferon (IFN) Stimulated Gene product of 20 kDa (ISG20) is an IFN-induced antiviral exonuclease with a strong preference for single-stranded RNA and minor activity towards single-stranded DNA. It was also independently identified by its response to estrogen and was called HEM45 (human estrogen regulated transcript). ISG20 is a DEDDh-type DnaQ-like 3'-5' exonuclease containing three conserved sequence motifs termed ExoI, ExoII and ExoIII with a specific Hx(4)D conserved pattern at ExoIII. These motifs are clustered around the active site and contain four conserved acidic residues that serve as ligands for the two metal ions required for catalysis. ISG20 may be a major effector of innate immunity against pathogens including viruses, bacteria, and parasites. It is located in promyelocytic leukemia (PML) nuclear bodies, sites for oncogenic DNA viral transcription and repli
>PRK09182 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=94.03 E-value=0.032 Score=45.38 Aligned_cols=88 Identities=9% Similarity=0.071 Sum_probs=51.3
Q ss_pred CCCCCCCCccccccHhhhhhheeeC---Cce--------eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQ---GTC--------KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEA 70 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd---~G~--------~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~A 70 (111)
..||++|..+...+ .++|..+ .|- ...+. |. ..+.+.++.. +|++++-....-...
T Consensus 45 ETTGLd~~~d~IIE----Ig~V~v~~~~~g~i~~v~~~~~~lv~-P~---~~I~~~~t~I---hGIt~e~v~~~~~~~-- 111 (294)
T PRK09182 45 ETTGLDPRKDEIIE----IGMVAFEYDDDGRIGDVLDTFGGLQQ-PS---RPIPPEITRL---TGITDEMVAGQTIDP-- 111 (294)
T ss_pred eCCCCCCCCCeEEE----EEEEEEEecCCCceeeeeeEEEEEeC-CC---CCCCHHHHHh---cCCCHHHHhcCCCcH--
Confidence 36899999998888 6666654 231 11222 22 1244555555 467766544432221
Q ss_pred HHHHHHHHHhhCCCCCCcccCCcHHhHHHHhhccccc
Q psy13232 71 DKRLHQFVAKYVKPKTAPMVGEYHTSKELLKDSDHFL 107 (111)
Q Consensus 71 E~~ll~fikk~vp~~~~pLaGNS~~DR~FL~kymP~l 107 (111)
..+.+|++. ....+|=|..+||.||.+++|.+
T Consensus 112 -~~l~~fl~~----~~vlVAHNA~FD~~fL~~~~~~~ 143 (294)
T PRK09182 112 -AAVDALIAP----ADLIIAHNAGFDRPFLERFSPVF 143 (294)
T ss_pred -HHHHHHhcC----CCEEEEeCHHHHHHHHHHHHHhc
Confidence 246666653 22234556699999999987653
>TIGR01407 dinG_rel DnaQ family exonuclease/DinG family helicase, putative
Back Show alignment and domain information
Probab=93.85 E-value=0.13 Score=46.84 Aligned_cols=86 Identities=12% Similarity=0.185 Sum_probs=61.8
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQ 76 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~ 76 (111)
..||++|.++.+-+ .+++..++| +...|.+.. .+.+-+++. +|++++-.+...+.+++-.++.+
T Consensus 8 ETTG~~~~~~~IIe----ig~v~v~~~~i~~~f~~~v~P~~----~i~~~~~~l---tGIt~e~l~~ap~~~ev~~~l~~ 76 (850)
T TIGR01407 8 ETTGTQLSFDKIIQ----IGIVVVEDGEIVDTFHTDVNPNE----PIPPFIQEL---TGISDNMLQQAPYFSQVAQEIYD 76 (850)
T ss_pred ECCCCCCCCCeEEE----EEEEEEECCEEEEEEEEEeCCCC----CCChhhhhh---cCcCHHHHhCCCCHHHHHHHHHH
Confidence 36899999888777 666666554 233444432 456666655 57776666667889999999999
Q ss_pred HHHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 77 FVAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 77 fikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
|+. .++++|-. .+|+.||.+++
T Consensus 77 ~l~------~~~~VahN~~fD~~fL~~~~ 99 (850)
T TIGR01407 77 LLE------DGIFVAHNVHFDLNFLAKAL 99 (850)
T ss_pred HhC------CCEEEEeCcHHHHHHHHHHH
Confidence 984 24688877 99999999864
This model represents a family of proteins in Gram-positive bacteria. The N-terminal region of about 200 amino acids resembles the epsilon subunit of E. coli DNA polymerase III and the homologous region of the Gram-positive type DNA polymerase III alpha subunit. The epsilon subunit contains an exonuclease domain. The remainder of this protein family resembles a predicted ATP-dependent helicase, the DNA damage-inducible protein DinG of E. coli.
>cd06136 TREX1_2 DEDDh 3'-5' exonuclease domain of three prime repair exonuclease (TREX)1, TREX2, and similar proteins
Back Show alignment and domain information
Probab=93.67 E-value=0.16 Score=37.64 Aligned_cols=90 Identities=10% Similarity=0.159 Sum_probs=55.3
Q ss_pred CCCCCC-CCccccccHhhhhhheeeCCc------------------eeeeeecCHHHHhhccchhhhccccccchHHHHh
Q psy13232 2 DNIGNR-PSNTALSSMEQVKAYLQTQGT------------------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRA 62 (111)
Q Consensus 2 ~~~~~~-p~~~~l~s~~q~~~~lvTd~G------------------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~ 62 (111)
..||++ |.++..-| .+++..++| +...|.+.. .+.+-.++.| |++++-..
T Consensus 7 ETTGl~~~~~d~Iie----i~av~v~~~~~~~~~~~~~~~~~~~~~~~~lv~P~~----~I~~~a~~Ih---GIt~e~l~ 75 (177)
T cd06136 7 ETTGLPKHNRPEITE----LCLVAVHRDHLLNTSRDKPALPRVLDKLSLCFNPGR----AISPGASEIT---GLSNDLLE 75 (177)
T ss_pred ecCCCCCCCCCceEE----EEEEEEecccccccccccccccceeeeeeEEeCCCC----cCChhHHHHh---CcCHHHHh
Confidence 369999 68888888 666665543 233444431 3444445554 66644443
Q ss_pred CCCCH-HHHHHHHHHHHHhhCCCCCCcccC-Cc-HHhHHHHhhcc
Q psy13232 63 SSVSI-EEADKRLHQFVAKYVKPKTAPMVG-EY-HTSKELLKDSD 104 (111)
Q Consensus 63 S~~s~-~~AE~~ll~fikk~vp~~~~pLaG-NS-~~DR~FL~kym 104 (111)
..-+. +++.+.+.+|+... .+.++|+| |. .+|.+||.+.+
T Consensus 76 ~~~~~~~~~~~~l~~f~~~~--~~~~~lVaHNa~~FD~~fL~~~~ 118 (177)
T cd06136 76 HKAPFDSDTANLIKLFLRRQ--PKPICLVAHNGNRFDFPILRSEL 118 (177)
T ss_pred cCCCccHHHHHHHHHHHHhc--CCCCEEEEcCCcccCHHHHHHHH
Confidence 33343 35667777887754 33456666 87 89999998765
Three prime repair exonuclease (TREX)1 and TREX2 are closely related DEDDh-type DnaQ-like 3'-5' exonucleases. They contain three conserved sequence motifs known as ExoI, II, and III, with a specific Hx(4)D conserved pattern at ExoIII. These motifs contain four conserved acidic residues that participate in coordination of divalent metal ions required for catalysis. Both proteins play a role in the metabolism and clearance of DNA. TREX1 is the major 3'-5' exonuclease activity detected in mammalian cells. Mutations in the human TREX1 gene can cause Aicardi-Goutieres syndrome (AGS), which is characterized by perturbed innate immunity and presents itself as a severe neurological disease. TREX1 degrades ssDNA generated by aberrant replication intermediates to prevent checkpoint activation and autoimmune disease. There are distinct structural differences between TREX1 and TRE
>PRK06722 exonuclease; Provisional
Back Show alignment and domain information
Probab=93.55 E-value=0.21 Score=40.69 Aligned_cols=54 Identities=11% Similarity=0.155 Sum_probs=44.1
Q ss_pred hccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHHhhCCCCCCcccCCcHHhHHHHhhc
Q psy13232 42 NMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVGEYHTSKELLKDS 103 (111)
Q Consensus 42 ~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fikk~vp~~~~pLaGNS~~DR~FL~ky 103 (111)
...++|++.| |++++-.....+.++|=.++++|+.. ..++|.|..+|++||.+.
T Consensus 55 ~I~~~i~~LT---GIT~emV~~AP~f~eVl~ef~~fig~-----~~lvahna~FD~~FL~~~ 108 (281)
T PRK06722 55 RLTRHTTKLT---GITKKDLIGVEKFPQIIEKFIQFIGE-----DSIFVTWGKEDYRFLSHD 108 (281)
T ss_pred cCCHhHhhhc---CCCHHHHcCCCCHHHHHHHHHHHHCC-----CcEEEEEeHHHHHHHHHH
Confidence 5678898876 77877777788999999999999853 347888997799999984
>PRK08074 bifunctional ATP-dependent DNA helicase/DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=93.08 E-value=0.2 Score=46.23 Aligned_cols=86 Identities=13% Similarity=0.213 Sum_probs=61.8
Q ss_pred CCCCCCCCc-cccccHhhhhhheeeCCc-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 2 DNIGNRPSN-TALSSMEQVKAYLQTQGT-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 2 ~~~~~~p~~-~~l~s~~q~~~~lvTd~G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
..||++|.. +.+-+ .+++..++| +...|++. ..+.+.+++.| |++++-.+...+.++|-.++.
T Consensus 11 ETTG~~p~~~d~IIe----igav~v~~~~i~~~f~~~v~P~----~~i~~~~~~lt---GIt~~~l~~ap~f~ev~~~l~ 79 (928)
T PRK08074 11 ETTGNSPKKGDKIIQ----IAAVVVEDGEILERFSSFVNPE----RPIPPFITELT---GISEEMVKQAPLFEDVAPEIV 79 (928)
T ss_pred eCCCCCCCCCCcEEE----EEEEEEECCEEEEEEEEEECcC----CCCCHHHhhcC---CCCHHHHhcCCCHHHHHHHHH
Confidence 368999875 55666 556555554 33345543 24667777664 688777777889999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
+|++ .++++|-. .+|+.||.+.+
T Consensus 80 ~~l~------~~~~VaHN~~FD~~fL~~~~ 103 (928)
T PRK08074 80 ELLE------GAYFVAHNVHFDLNFLNEEL 103 (928)
T ss_pred HHhC------CCeEEEEChHHHHHHHHHHH
Confidence 9984 35788866 99999998854
>PRK05601 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=91.97 E-value=0.15 Score=43.47 Aligned_cols=84 Identities=14% Similarity=0.160 Sum_probs=59.8
Q ss_pred CCCCCCCCccccccHhhhhhheeeC-Cc-----eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQ-GT-----CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd-~G-----~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
..||++|+.+.+-| .++|..+ +| +...|.++... ..+ | =.||+++-.+...+.+++-.+++
T Consensus 54 ETTGLdp~~drIIe----IgAV~i~~~g~ive~f~tLVnP~~~~----~p~----~-LHGIT~e~La~AP~f~eVl~el~ 120 (377)
T PRK05601 54 QTSGIHPSTSRLIT----IDAVTLTADGEEVEHFHAVLNPGEDP----GPF----H-LHGLSAEEFAQGKRFSQILKPLD 120 (377)
T ss_pred ECCCCCCCCCeEEE----EEEEEEEcCCEEEEEEEEEECcCCCC----CCc----c-ccCCCHHHHhcCCCHHHHHHHHH
Confidence 36899999998888 6566433 33 33445544311 111 2 57999999999999999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
+||+.. +|.|-- .+|..||.+.+
T Consensus 121 ~fL~g~------vLVaHNA~FD~~FL~~e~ 144 (377)
T PRK05601 121 RLIDGR------TLILHNAPRTWGFIVSEA 144 (377)
T ss_pred HHhCCC------EEEEECcHHHHHHHHHHH
Confidence 999753 455555 99999998854
>PRK07748 sporulation inhibitor KapD; Provisional
Back Show alignment and domain information
Probab=88.93 E-value=0.46 Score=35.92 Aligned_cols=56 Identities=20% Similarity=0.299 Sum_probs=43.3
Q ss_pred hccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHHhhCCCCCCcccCCcHHhHHHHhhcc
Q psy13232 42 NMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVKPKTAPMVGEYHTSKELLKDSD 104 (111)
Q Consensus 42 ~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fikk~vp~~~~pLaGNS~~DR~FL~kym 104 (111)
...+.|++.| |++++-.+...+.++|-.++++|+... ...+++|+.+|.+||.+..
T Consensus 57 ~i~~~~~~lt---GIt~~~l~~ap~~~evl~~f~~~~~~~----~~~iv~~~~fD~~fL~~~~ 112 (207)
T PRK07748 57 SLTERCKSFL---GITQEDVDKGISFEELVEKLAEYDKRC----KPTIVTWGNMDMKVLKHNC 112 (207)
T ss_pred ccChhhhhhc---CcCHHHHccCCCHHHHHHHHHHHhCcC----CeEEEEECHHHHHHHHHHH
Confidence 4677888776 778776677899999999999988542 3467788888999997654
>PRK00448 polC DNA polymerase III PolC; Validated
Back Show alignment and domain information
Probab=88.71 E-value=0.74 Score=45.06 Aligned_cols=88 Identities=14% Similarity=0.171 Sum_probs=57.5
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce-----eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC-----KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQF 77 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~-----~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~f 77 (111)
.||++|..+..-+ .+++..+.|. +..|.+. ....+.+++.| |++++......++++|-.++++|
T Consensus 428 TTGL~~~~deIIE----IgAV~V~~G~iie~F~~~V~P~----~~I~~~~~~LT---GIT~e~L~~aps~~EaL~~f~~f 496 (1437)
T PRK00448 428 TTGLSAVYDEIIE----IGAVKIKNGEIIDKFEFFIKPG----HPLSAFTTELT---GITDDMVKDAPSIEEVLPKFKEF 496 (1437)
T ss_pred hcCCCCchhhhhe----eeeEEEeCCeEeeeEEEEECCC----CCCCHHHHHHh---CCCHHHHcCCCCHHHHHHHHHHH
Confidence 4788888776666 3444445442 2233322 12345555554 88888887889999999999988
Q ss_pred HHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 78 VAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 78 ikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
+. + +++.|-. .+|..||.+.+.++
T Consensus 497 ig-----g-~vLVAHNa~FD~~fL~~~l~rl 521 (1437)
T PRK00448 497 CG-----D-SILVAHNASFDVGFINTNYEKL 521 (1437)
T ss_pred hC-----C-CEEEEeCccccHHHHHHHHHHc
Confidence 74 3 3455555 99999998765554
>PRK07246 bifunctional ATP-dependent DNA helicase/DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=83.48 E-value=2.2 Score=39.22 Aligned_cols=84 Identities=13% Similarity=0.266 Sum_probs=57.6
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCce-----eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGTC-----KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQ 76 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G~-----~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~ 76 (111)
..||++|. +.+-+ .+++..++|- ...|.+. ..+.+-++.. +|++++-.+...+.++|-.++++
T Consensus 15 ETTGl~~~-d~IIe----IgaV~v~~g~i~~~f~~lv~P~----~~i~~~~~~l---tGIt~e~l~~ap~~~ev~~~~~~ 82 (820)
T PRK07246 15 EATGAGPN-ASIIQ----VGIVIIEGGEIIDSYTTDVNPH----EPLDEHIKHL---TGITDQQLAQAPDFSQVARHIYD 82 (820)
T ss_pred ecCCcCCC-CeEEE----EEEEEEECCEEEEEEEEEeCcC----CCCCHhHhhc---CCCCHHHHhcCCCHHHHHHHHHH
Confidence 35899884 55555 4555444442 2224332 2455666655 57887777778899999999999
Q ss_pred HHHhhCCCCCCcccCCc-HHhHHHHhhc
Q psy13232 77 FVAKYVKPKTAPMVGEY-HTSKELLKDS 103 (111)
Q Consensus 77 fikk~vp~~~~pLaGNS-~~DR~FL~ky 103 (111)
|+. .++++|-. .+|+.||.+.
T Consensus 83 ~l~------~~~lVaHN~~FD~~fL~~~ 104 (820)
T PRK07246 83 LIE------DCIFVAHNVKFDANLLAEA 104 (820)
T ss_pred HhC------CCEEEEECcHHHHHHHHHH
Confidence 975 35788888 9999999875
>PRK07247 DNA polymerase III subunit epsilon; Validated
Back Show alignment and domain information
Probab=82.85 E-value=1.6 Score=33.35 Aligned_cols=85 Identities=11% Similarity=0.118 Sum_probs=53.6
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce-----eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC-----KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQF 77 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~-----~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~f 77 (111)
.||++|.+. +-+ ..++..++|- +.-|. |+. .....+++. +|++++-.+...++.+|-.++++|
T Consensus 14 tTGl~~~~e-IIe----IgaV~v~~g~~~~~f~~lv~-P~~---~i~~~~~~l---hGIt~~~v~~ap~~~evl~~f~~f 81 (195)
T PRK07247 14 FNTVNGVSH-IIQ----VSAVKYDDHKEVDSFDSYVY-TDV---PLQSFINGL---TGITADKIADAPKVEEVLAAFKEF 81 (195)
T ss_pred CCCCCCCCe-EEE----EEEEEEECCEEEEEEEEEEC-CCC---CCCccceec---CCCCHHHHhCCCCHHHHHHHHHHH
Confidence 478876433 334 4444444442 22232 332 335556654 689988777888999999999999
Q ss_pred HHhhCCCCCCcccCCc-HHhHHHHhhcc
Q psy13232 78 VAKYVKPKTAPMVGEY-HTSKELLKDSD 104 (111)
Q Consensus 78 ikk~vp~~~~pLaGNS-~~DR~FL~kym 104 (111)
++.. ..++=|. .+|..||.++.
T Consensus 82 ~~~~-----~lVaHNa~~fD~~fL~~~g 104 (195)
T PRK07247 82 VGEL-----PLIGYNAQKSDLPILAENG 104 (195)
T ss_pred HCCC-----eEEEEeCcHhHHHHHHHcC
Confidence 8544 2444566 68999998863
>COG0847 DnaQ DNA polymerase III, epsilon subunit and related 3'-5' exonucleases [DNA replication, recombination, and repair]
Back Show alignment and domain information
Probab=82.72 E-value=2.3 Score=32.25 Aligned_cols=91 Identities=14% Similarity=0.149 Sum_probs=60.7
Q ss_pred CCCCCCCCccccccHhhhhhheeeCCc------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 2 DNIGNRPSNTALSSMEQVKAYLQTQGT------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 2 ~~~~~~p~~~~l~s~~q~~~~lvTd~G------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
..+|.+|..+++-+ .+++.-..+ +...|++ +.. +.+-..+.| |++.+-........++-.+++
T Consensus 21 ETtg~~~~~~~iie----Igav~~~~~~i~~~~~~~~v~P-~~~---i~~~~~~i~---git~e~l~~~p~~~~v~~~~~ 89 (243)
T COG0847 21 ETTGLNPKKDRIIE----IGAVTLEDGRIVERSFHTLVNP-ERP---IPPEIFKIH---GITDEMLADAPKFAEVLPEFL 89 (243)
T ss_pred ccCCCCCCCCceEE----EEeEEEECCeeecceeEEEECC-CCC---CChhhhhhc---CCCHHHHhcCCCHHHHHHHHH
Confidence 35888987777777 444443333 2344554 322 444444444 566677677788999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhcccccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFLV 108 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~lv 108 (111)
+|+... +.++|=. .+|..||.+.+.+.-
T Consensus 90 ~~i~~~-----~~~Vahna~fD~~fl~~~~~~~~ 118 (243)
T COG0847 90 DFIGGL-----RLLVAHNAAFDVGFLRVESERLG 118 (243)
T ss_pred HHHCCC-----CeEEEEchhhcHHHHHHHHHHcC
Confidence 998874 4677777 999999988776543
Homologous Structure Domains
Homologous Domains Detected by HHsearch
Original result of HHsearch against SCOP70(version1.75) database
ID Alignment Graph Length
Definition
Probability
Query 111
d2igia1 180
Oligoribonuclease {Escherichia coli [TaxId: 562]}
98.74
d1wlja_ 173
Interferon-stimulated gene 20 kDa protein, ISG20 {
97.8
d2qxfa1
467
Exonuclease I {Escherichia coli K12 (Escherichia c
97.3
d1y97a1 228
Three prime repair exonuclease 2, TREX2 {Human (Ho
96.93
d2guia1 174
N-terminal exonuclease domain of the epsilon subun
96.91
d3b6oa1 226
Three prime repair exonuclease 1, TREX1 {Mouse (Mu
96.46
d2f96a1 202
Ribonuclease T {Pseudomonas aeruginosa [TaxId: 287
95.59
d1w0ha_ 200
Exonuclease ERI1 {Human (Homo sapiens) [TaxId: 960
88.01
d1fexa_ 59
Rap1 {Human (Homo sapiens) [TaxId: 9606]}
85.61
>d2igia1 c.55.3.5 (A:1-180) Oligoribonuclease {Escherichia coli [TaxId: 562]}
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class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Oligoribonuclease
species: Escherichia coli [TaxId: 562]
Probab=98.74 E-value=9.4e-09 Score=69.22 Aligned_cols=101 Identities=27% Similarity=0.393 Sum_probs=89.1
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce-------eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC-------KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLH 75 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~-------~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll 75 (111)
.||++|+++..-| .++|++|.+. ...+.++.........+....+...+..+.......+.+.+.....
T Consensus 14 TTGLdp~~d~IIe----IaaV~~d~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 89 (180)
T d2igia1 14 MTGLDPERDRIIE----IATLVTDANLNILAEGPTIAVHQSDEQLALMDDWNVRTHTASGLVERVKASTMGDREAELATL 89 (180)
T ss_dssp ESSSCTTTCCEEE----EEEEEECTTCCEEEEEEEEECCCCHHHHTTCCHHHHHHHHHTTHHHHHHHCCCCHHHHHHHHH
T ss_pred CCCCCCCCCeEEE----EEEEEEECCceEeeccceeeeeccccccccccccccccccccchhhhhccccccHHHHHHHHH
Confidence 5899999999999 8899887753 3456678888899999999999999999999999999999999999
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
.+.+...-.+..+++||+ ++|+.||.+++++.
T Consensus 90 ~~~~~~~~~~~~~~~~~~~~FD~~~l~~~~~~~ 122 (180)
T d2igia1 90 EFLKQWVPAGKSPICGNSIGQDRRFLFKYMPEL 122 (180)
T ss_dssp HHHTTTSCTTTSCEEESSHHHHHHHHHHHCHHH
T ss_pred HHHhhhccCCCcEEEechhcchhHHHHHHhhhh
Confidence 999888778888999999 99999999988764
>d1wlja_ c.55.3.5 (A:) Interferon-stimulated gene 20 kDa protein, ISG20 {Human (Homo sapiens) [TaxId: 9606]}
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class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Interferon-stimulated gene 20 kDa protein, ISG20
species: Human (Homo sapiens) [TaxId: 9606]
Probab=97.80 E-value=4.1e-06 Score=56.61 Aligned_cols=88 Identities=13% Similarity=0.094 Sum_probs=64.9
Q ss_pred CCCCCCCccccccHhhhhhheeeCCcee---eeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTCK---CGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVA 79 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~~---~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fik 79 (111)
.||++|.++..-+ .++|+...|-. -.|.++ ..+.+|+++.| |++++-.....+.+++-.++++|+.
T Consensus 9 ttGl~~~~~~ii~----~~~iv~~~g~~i~~~~v~p~----~~i~~~~~~i~---GIt~e~~~~~~~~~~~~~~~~~~~~ 77 (173)
T d1wlja_ 9 MVGLGPHRESGLA----RCSLVNVHGAVLYDKFIRPE----GEITDYRTRVS---GVTPQHMVGATPFAVARLEILQLLK 77 (173)
T ss_dssp EEEETTTTEEEEE----EEEEECTTCCEEEEEEEECS----SCEEECCHHHH---CCCHHHHTTCEEHHHHHHHHHHHHT
T ss_pred cCCCCCCCCcEEE----EEEEEEecCeEEEEEeeecc----cccCcceeEEe---cCcchhhhcCCcHHHHHHHHHhhcc
Confidence 4799998887555 46666555432 222333 24678888877 7777777778899999999888865
Q ss_pred hhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 80 KYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 80 k~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
. ++++|.. .+|++||.+++|+.
T Consensus 78 ~------~~lv~hn~~fD~~~L~~~~~~~ 100 (173)
T d1wlja_ 78 G------KLVVGHDLKHDFQALKEDMSGY 100 (173)
T ss_dssp T------SEEEESSHHHHHHHTTCCCTTC
T ss_pred c------ceEEeechHhHHHHHHHhhccC
Confidence 3 4799999 99999999988864
>d2qxfa1 c.55.3.5 (A:8-474) Exonuclease I {Escherichia coli K12 (Escherichia coli K-12) [TaxId: 83333]}
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class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Exonuclease I
species: Escherichia coli K12 (Escherichia coli K-12) [TaxId: 83333]
Probab=97.30 E-value=1.7e-05 Score=61.85 Aligned_cols=93 Identities=16% Similarity=0.080 Sum_probs=64.1
Q ss_pred CCCCCCCccccccHhhhhhheeeCCceeeeeecCHHHHhhccchh------hhccccccch-HHHHhCCCCHHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTCKCGLYYNEEVLQNMNEWC------VEHHNASGLT-DRVRASSVSIEEADKRLH 75 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~~~vIhqp~~vL~~MdeWc------~~~H~~SGL~-~~vr~S~~s~~~AE~~ll 75 (111)
.||++|..+...+ .++|.||+..+++ .......-...+++ ... +|++ +.+.+++.+..++-.++.
T Consensus 11 TtG~~~~~d~ii~----~~ai~~d~~~~~~-~~~~~~~~~~~~~~~p~~~a~~v---~gi~~~~~~~~~~~~~e~~~~i~ 82 (467)
T d2qxfa1 11 TFGTHPALDRPAQ----FAAIRTDSEFNVI-GEPEVFYCKPADDYLPQPGAVLI---TGITPQEARAKGENEAAFAARIH 82 (467)
T ss_dssp ESSSCTTTSCEEE----EEEEEECTTSCBC-SCCEEEEBCCCTTCCCCHHHHHH---HCCCHHHHHHHCBCHHHHHHHHH
T ss_pred CCCcCCCCCcEEE----EEEEEECCCCcEE-eEEEEEeecCCCCCCCCHHHHHH---hCcCHHHHHcCCCCHHHHHHHHH
Confidence 5899999999998 7888898776643 11111111122332 223 4554 677777889988888888
Q ss_pred HHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 76 QFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 76 ~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+|+..+ +.+.+++|+ .+|..||.+.+-+
T Consensus 83 ~~~~~~---~~~~v~~n~~~FD~~fl~~~~~r 111 (467)
T d2qxfa1 83 SLFTVP---KTCILGYNNVRFDDEVTRNIFYR 111 (467)
T ss_dssp HHHTST---TEEEEESSTTTTHHHHHHHHHHH
T ss_pred HHHhcC---CCcEEEEecchhhHHHHHHHHHH
Confidence 888643 456799999 9999999987644
>d1y97a1 c.55.3.5 (A:1-228) Three prime repair exonuclease 2, TREX2 {Human (Homo sapiens) [TaxId: 9606]}
Back Show information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Three prime repair exonuclease 2, TREX2
species: Human (Homo sapiens) [TaxId: 9606]
Probab=96.93 E-value=0.0001 Score=51.99 Aligned_cols=97 Identities=12% Similarity=0.039 Sum_probs=61.2
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce-------eeeeecCHHHHh----------hccchhhhccccccchHHHH--hC
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC-------KCGLYYNEEVLQ----------NMNEWCVEHHNASGLTDRVR--AS 63 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~-------~~vIhqp~~vL~----------~MdeWc~~~H~~SGL~~~vr--~S 63 (111)
.||++|+++...+ .+++..+.+. ...+..+..+++ .+++++++.| |++++.. ++
T Consensus 17 TTGl~~~~~~Iie----ia~i~~~~~~~~~~~~~~~~~~~~~~v~d~~~~~v~P~~~i~~~~~~it---GIt~~~l~~~~ 89 (228)
T d1y97a1 17 ATGLPSVEPEIAE----LSLFAVHRSSLENPEHDESGALVLPRVLDKLTLCMCPERPFTAKASEIT---GLSSEGLARCR 89 (228)
T ss_dssp ESSCGGGCCCEEE----EEEEEEEHHHHTSCBC---CCCBCCSSCEEEEEECCCSSCCCHHHHHHH---CCCHHHHHHTT
T ss_pred cCCcCCCCCCeEE----EEEEEEECCccccccccccccccccceecceeeEECCCCCCCHHHHHhc---CCCHHHHHhcc
Confidence 4899999888777 5666654321 111111111222 4667777777 5665544 33
Q ss_pred CCCHHHHHHHHHHHHHhhCCCCCCcccCCc-HHhHHHHhhcccc
Q psy13232 64 SVSIEEADKRLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 64 ~~s~~~AE~~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
..+..+...++++++.++...+...+++|+ .+|+.||.+.+.+
T Consensus 90 ~~~~~~~~~~~~~~~~~~~~~~~~~v~~n~~~fD~~~l~~~l~r 133 (228)
T d1y97a1 90 KAGFDGAVVRTLQAFLSRQAGPICLVAHNGFDYDFPLLCAELRR 133 (228)
T ss_dssp CCCSCHHHHHHHHHHHTTSCSSEEEEETTTTTTHHHHHHHHHHH
T ss_pred CcchHHHHHHHHHHHhhhccCCceEEeechHHHhHHHHHHHHHH
Confidence 455566666777777777656666788999 9999999987654
>d2guia1 c.55.3.5 (A:7-180) N-terminal exonuclease domain of the epsilon subunit of DNA polymerase III {Escherichia coli [TaxId: 562]}
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class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: N-terminal exonuclease domain of the epsilon subunit of DNA polymerase III
species: Escherichia coli [TaxId: 562]
Probab=96.91 E-value=0.00067 Score=44.61 Aligned_cols=86 Identities=8% Similarity=0.067 Sum_probs=58.5
Q ss_pred CCCCCCC-----ccccccHhhhhhheeeCCc------eeeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHH
Q psy13232 3 NIGNRPS-----NTALSSMEQVKAYLQTQGT------CKCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEAD 71 (111)
Q Consensus 3 ~~~~~p~-----~~~l~s~~q~~~~lvTd~G------~~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE 71 (111)
.||++|. ++..-+ .+++.++++ ++..|++. .....-+.+ -+|++++......+..++-
T Consensus 9 TTGl~~~~~~~~~d~IIe----Ig~v~~~~~~~~~~~~~~~v~P~----~~i~~~~~~---i~gIt~e~~~~~~~~~~~~ 77 (174)
T d2guia1 9 TTGMNQIGAHYEGHKIIE----IGAVEVVNRRLTGNNFHVYLKPD----RLVDPEAFG---VHGIADEFLLDKPTFAEVA 77 (174)
T ss_dssp ESCCCSSSSTTTTCCEEE----EEEEEEETTEECSCCEEEECCCS----SCCCHHHHH---HHCCCHHHHTTSCCHHHHH
T ss_pred CCCCCcccccCCCCEEEE----EEEEEEECCEEeeeEEEEEeccC----ccchhhhhh---ccccchhhhhcchhHHHHH
Confidence 5899885 344555 566656554 23344432 123444444 4588888888888999999
Q ss_pred HHHHHHHHhhCCCCCCcccCCc-HHhHHHHhhccc
Q psy13232 72 KRLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDH 105 (111)
Q Consensus 72 ~~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP 105 (111)
.++++|++. +++.|+. .+|..|+...+.
T Consensus 78 ~~~~~~~~~------~~~v~~~~~~d~~~~~~~~~ 106 (174)
T d2guia1 78 DEFMDYIRG------AELVIHNAAFDIGFMDYEFS 106 (174)
T ss_dssp HHHHHHHTT------SEEEETTHHHHHHHHHHHHH
T ss_pred HHHHHhcCC------CeEEEeecchhhHHHHHHHH
Confidence 999999964 4677887 999999887643
>d3b6oa1 c.55.3.5 (A:9-234) Three prime repair exonuclease 1, TREX1 {Mouse (Mus musculus) [TaxId: 10090]}
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class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Three prime repair exonuclease 1, TREX1
species: Mouse (Mus musculus) [TaxId: 10090]
Probab=96.46 E-value=0.00051 Score=48.30 Aligned_cols=94 Identities=11% Similarity=0.018 Sum_probs=57.5
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce------------------------eeeeecCHHHHhhccchhhhccccccchH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC------------------------KCGLYYNEEVLQNMNEWCVEHHNASGLTD 58 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~------------------------~~vIhqp~~vL~~MdeWc~~~H~~SGL~~ 58 (111)
.||++|.++...+ .+++.++.+. +..|. |. ....+++++.||=+- +
T Consensus 13 TTGl~~~~~~Iie----ia~i~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~lv~-P~---~~I~~~~~~i~GIt~--~ 82 (226)
T d3b6oa1 13 ATGLPSSRPEVTE----LCLLAVHRRALENTSISQGHPPPVPRPPRVVDKLSLCIA-PG---KACSPGASEITGLSK--A 82 (226)
T ss_dssp ESSCGGGCCCEEE----EEEEEEEHHHHHTSCCCCSSSCCCCCCCSSCEEEEEECC-CS---SCCCHHHHHHHCCCH--H
T ss_pred CCCCCCCCCceEE----EEEEEEeCCcccccccccccccccccccceeceeeeeEC-CC---CCCCHHHHHhcCCCH--H
Confidence 5899999998888 5666655321 12222 22 235678887775552 2
Q ss_pred HHHhC-C-CCHHHHHHHHHHHHHhhCCCCCCcccCCc-HHhHHHHhhccccc
Q psy13232 59 RVRAS-S-VSIEEADKRLHQFVAKYVKPKTAPMVGEY-HTSKELLKDSDHFL 107 (111)
Q Consensus 59 ~vr~S-~-~s~~~AE~~ll~fikk~vp~~~~pLaGNS-~~DR~FL~kymP~l 107 (111)
.++.. . -..+.+.+.+.+|++. .+.+...+|-|+ .+|+.||.+.+.+.
T Consensus 83 ~l~~~~~~~~~~~~~~~~~~f~~~-~~~~~~lVahN~~~FD~~~l~~~~~r~ 133 (226)
T d3b6oa1 83 ELEVQGRQRFDDNLAILLRAFLQR-QPQPCCLVAHNGDRYDFPLLQTELARL 133 (226)
T ss_dssp HHHHTTCCCSCHHHHHHHHHHHHT-SCSSEEEEETTTTTTHHHHHHHHHHTS
T ss_pred HHHhcccchhHHHHHHHHHHHHHh-ccCCceEEEechhHHHHHHHHHHHHHc
Confidence 33322 1 2345555666666654 445555677799 99999999876654
>d2f96a1 c.55.3.5 (A:19-220) Ribonuclease T {Pseudomonas aeruginosa [TaxId: 287]}
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class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Ribonuclease T
species: Pseudomonas aeruginosa [TaxId: 287]
Probab=95.59 E-value=0.0014 Score=43.60 Aligned_cols=98 Identities=17% Similarity=0.020 Sum_probs=62.2
Q ss_pred CCCCCCCccccccHhhhhhheeeCCce--------eeeeecCHHHHhhccchhhhccccccchHHHHhCCCCHHHHHHHH
Q psy13232 3 NIGNRPSNTALSSMEQVKAYLQTQGTC--------KCGLYYNEEVLQNMNEWCVEHHNASGLTDRVRASSVSIEEADKRL 74 (111)
Q Consensus 3 ~~~~~p~~~~l~s~~q~~~~lvTd~G~--------~~vIhqp~~vL~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~l 74 (111)
.||++|.++..-| .+++..|.+. ...+...........+++++.|+-+ .+.+....+..+.+-.+.
T Consensus 20 TTGl~~~~~~IIe----igav~i~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~i~git--~~~~~~~~~~~~~~~~~~ 93 (202)
T d2f96a1 20 TGGFNSATDALLE----IAATTVGMDEKGFLFPEHTYFFRIEPFEGANIEPAALEFTGIK--LDHPLRMAVQEEAALTEI 93 (202)
T ss_dssp ESSSCTTTBCEEE----EEEEEEEECTTSCEEEEEEEEEEBCCCTTCBCCHHHHHHHTCC--TTCTTCCCBCHHHHHHHH
T ss_pred CCCCCCCCCceEE----EEEEEEEecccCceecceeEEEeeccCccccCCHHHHHhcCCc--HHHHHhcccchhHHHHHH
Confidence 5899999998877 6666554221 1122222223456777888888765 445555666666666666
Q ss_pred HHHHHhhCC---CCCCcccCCc-HHhHHHHhhcccc
Q psy13232 75 HQFVAKYVK---PKTAPMVGEY-HTSKELLKDSDHF 106 (111)
Q Consensus 75 l~fikk~vp---~~~~pLaGNS-~~DR~FL~kymP~ 106 (111)
+..+.+++. ...+.++++. ..|+.|+....++
T Consensus 94 ~~~~~~~~~~~~~~~~~~~~~~~~~d~~~~~~~~~~ 129 (202)
T d2f96a1 94 FRGIRKALKANGCKRAILVGHNSSFDLGFLNAAVAR 129 (202)
T ss_dssp HHHHHHHHHHTTCSEEEEEETTHHHHHHHHHHHHHH
T ss_pred HHHHHHHHHhhcccccceeeeehhhhHHHHHHHHHH
Confidence 665555442 4445678888 9999999887554
>d1w0ha_ c.55.3.5 (A:) Exonuclease ERI1 {Human (Homo sapiens) [TaxId: 9606]}
Back Show information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: Ribonuclease H-like motif
superfamily: Ribonuclease H-like
family: DnaQ-like 3'-5' exonuclease
domain: Exonuclease ERI1
species: Human (Homo sapiens) [TaxId: 9606]
Probab=88.01 E-value=0.18 Score=33.38 Aligned_cols=60 Identities=8% Similarity=0.185 Sum_probs=45.3
Q ss_pred hhccchhhhccccccchHHHHhCCCCHHHHHHHHHHHHHhhCC--CCCCcccCCc-HHhHHHHhhc
Q psy13232 41 QNMNEWCVEHHNASGLTDRVRASSVSIEEADKRLHQFVAKYVK--PKTAPMVGEY-HTSKELLKDS 103 (111)
Q Consensus 41 ~~MdeWc~~~H~~SGL~~~vr~S~~s~~~AE~~ll~fikk~vp--~~~~pLaGNS-~~DR~FL~ky 103 (111)
..+++.+++.| |++++-..+..+.++|-.++++|+..+.. ......+.|. ..|++||...
T Consensus 58 ~~i~~~~~~it---git~e~l~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~d~~~~L~~~ 120 (200)
T d1w0ha_ 58 TQLSDFCISLT---GITQDQVDRADTFPQVLKKVIDWMKLKELGTKYKYSLLTDGSWDMSKFLNIQ 120 (200)
T ss_dssp CSCCHHHHHHH---CCCHHHHHTSBCHHHHHHHHHHHHHHTTBTTTBCEEEEESSTTTTHHHHHHH
T ss_pred ccCCHHHHHHH---CCCHHHhhhhhhhHhHHHHHHHHhcCCcEEeeeeeeeccchhhhHHHHHHHH
Confidence 35677777666 67766666789999999999999988743 3334567788 8899999764
>d1fexa_ a.4.1.3 (A:) Rap1 {Human (Homo sapiens) [TaxId: 9606]}
Back Show information, alignment and structure
class: All alpha proteins
fold: DNA/RNA-binding 3-helical bundle
superfamily: Homeodomain-like
family: Myb/SANT domain
domain: Rap1
species: Human (Homo sapiens) [TaxId: 9606]
Probab=85.61 E-value=0.37 Score=28.63 Aligned_cols=32 Identities=9% Similarity=0.247 Sum_probs=23.7
Q ss_pred CCCHHHHHHHHHHHHHhhCCCCCCcccCCc-HHhH
Q psy13232 64 SVSIEEADKRLHQFVAKYVKPKTAPMVGEY-HTSK 97 (111)
Q Consensus 64 ~~s~~~AE~~ll~fikk~vp~~~~pLaGNS-~~DR 97 (111)
..|.+| ++.|++||+++.+. .++++||. +++-
T Consensus 4 ~fT~ee-D~~l~~yv~~~~~~-~~~~~Gn~iwk~l 36 (59)
T d1fexa_ 4 AFTDAD-DVAILTYVKENARS-PSSVTGNALWKAM 36 (59)
T ss_dssp CCCHHH-HHHHHHHHHHTCCS-TTTTTSSHHHHHH
T ss_pred CCCHHH-HHHHHHHHHHhccC-cCCccHHHHHHHH
Confidence 345544 56789999999754 47899999 9764