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 76
PLN02692
412
PLN02692, PLN02692, alpha-galactosidase
2e-09
PLN02808
386
PLN02808, PLN02808, alpha-galactosidase
3e-09
PLN02229
427
PLN02229, PLN02229, alpha-galactosidase
1e-07
>gnl|CDD|178295 PLN02692, PLN02692, alpha-galactosidase
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Score = 51.6 bits (123), Expect = 2e-09
Identities = 24/57 (42%), Positives = 33/57 (57%), Gaps = 5/57 (8%)
Query: 1 MYEDYGNYTCAG-YPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRGKTTSYP 56
+Y D G +TC+ PG LG+ E+DA +FA W +DY+K D C + S T YP
Sbjct: 139 IYSDAGYFTCSKTMPGSLGHEEQDAKTFASWGIDYLKYDNCNNDGSK----PTVRYP 191
>gnl|CDD|166449 PLN02808, PLN02808, alpha-galactosidase
Back Show alignment and domain information
Score = 50.7 bits (121), Expect = 3e-09
Identities = 20/41 (48%), Positives = 27/41 (65%), Gaps = 1/41 (2%)
Query: 1 MYEDYGNYTCAG-YPGILGYLERDAYSFAEWNVDYIKIDGC 40
+Y D G TC+ PG LG+ E+DA +FA W +DY+K D C
Sbjct: 115 IYSDAGTLTCSKTMPGSLGHEEQDAKTFASWGIDYLKYDNC 155
>gnl|CDD|177874 PLN02229, PLN02229, alpha-galactosidase
Back Show alignment and domain information
Score = 46.5 bits (110), Expect = 1e-07
Identities = 20/42 (47%), Positives = 25/42 (59%)
Query: 1 MYEDYGNYTCAGYPGILGYLERDAYSFAEWNVDYIKIDGCYS 42
+Y D G +TC PG L + DA FA W VDY+K D CY+
Sbjct: 146 IYSDAGVFTCQVRPGSLFHEVDDADIFASWGVDYLKYDNCYN 187
Conserved Domains Detected by HHsearch
Original result of HHsearch against CDD database
ID Alignment Graph Length
Definition
Probability
Query
76
KOG2366|consensus
414
99.91
PLN02229
427
alpha-galactosidase
99.9
PLN02692
412
alpha-galactosidase
99.88
PLN02808
386
alpha-galactosidase
99.88
PLN03231
357
putative alpha-galactosidase; Provisional
99.73
PLN02899
633
alpha-galactosidase
99.43
PF02065
394
Melibiase: Melibiase; InterPro: IPR000111 O-Glycos
94.63
>KOG2366|consensus
Back Hide alignment and domain information
Probab=99.91 E-value=1.6e-25 Score=176.05 Aligned_cols=63 Identities=51% Similarity=1.049 Sum_probs=61.3
Q ss_pred CccCccccccCCCCCccchHHHhHHHHHhccccEEEeeCCCCCCCCCCCcc----------------c-CCCCCCCCCcc
Q psy1877 1 MYEDYGNYTCAGYPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRGK----------------T-TSYPNYQISLT 63 (76)
Q Consensus 1 IYtd~G~~TC~g~pGS~ghe~~DA~~fA~WGvDylK~D~C~~~~~~~~~~Y----------------s-C~Wp~y~~~~w 63 (76)
||+|+|++||+|+|||++||++||+|||+|||||||+|+|+..+.++.++| | |+||.|+++.|
T Consensus 126 iYsD~G~~TC~g~PGS~~~e~~DA~tFA~WgvDylKlD~C~~~~~~~~~~Yp~ms~aLN~tGrpi~ySlC~W~~~~~~~~ 205 (414)
T KOG2366|consen 126 IYSDAGNFTCAGYPGSLGHEESDAKTFADWGVDYLKLDGCFNNLITMPEGYPIMSRALNNTGRPIFYSLCSWPAYHPGLP 205 (414)
T ss_pred eeeccCchhhccCCcccchhhhhhhhhHhhCCcEEeccccccccccccccchhHHHHHhccCCceEEEeccCcccccCcc
Confidence 799999999999999999999999999999999999999999999999999 5 99999999999
>PLN02229 alpha-galactosidase
Back Show alignment and domain information
Probab=99.90 E-value=5.5e-25 Score=173.50 Aligned_cols=67 Identities=34% Similarity=0.465 Sum_probs=61.4
Q ss_pred CccCccccccCCCCCccchHHHhHHHHHhccccEEEeeCCCCCCCCCCCcc-----------------cCCCCCCCCCcc
Q psy1877 1 MYEDYGNYTCAGYPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRGK-----------------TTSYPNYQISLT 63 (76)
Q Consensus 1 IYtd~G~~TC~g~pGS~ghe~~DA~~fA~WGvDylK~D~C~~~~~~~~~~Y-----------------sC~Wp~y~~~~w 63 (76)
||+++|+.||+++|||+|||++||++||+|||||||||+|+.+..++.++| +|+||...|+.|
T Consensus 146 Iy~d~G~~TC~~~pGS~g~e~~DA~~fA~WGVDylK~D~C~~~~~~~~~~y~~m~~AL~~tGRpI~~SlC~WG~~~p~~w 225 (427)
T PLN02229 146 IYSDAGVFTCQVRPGSLFHEVDDADIFASWGVDYLKYDNCYNLGIKPIERYPPMRDALNATGRSIFYSLCEWGVDDPALW 225 (427)
T ss_pred EeccCCCcccCCCCCCccHHHHHHHHHHHcCCCEEEecCCCCCCcchhHHHHHHHHHHHhhCCCcEEEecCCCCCCHHHH
Confidence 799999999999999999999999999999999999999998777666666 499999999999
Q ss_pred cccc
Q psy1877 64 ARLV 67 (76)
Q Consensus 64 a~~~ 67 (76)
++.+
T Consensus 226 ~~~~ 229 (427)
T PLN02229 226 AGKV 229 (427)
T ss_pred HHhh
Confidence 8754
>PLN02692 alpha-galactosidase
Back Show alignment and domain information
Probab=99.88 E-value=7.9e-24 Score=166.41 Aligned_cols=67 Identities=34% Similarity=0.630 Sum_probs=60.3
Q ss_pred CccCccccccCC-CCCccchHHHhHHHHHhccccEEEeeCCCCCCCCCCCcc-----------------cCCCCCCCCCc
Q psy1877 1 MYEDYGNYTCAG-YPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRGK-----------------TTSYPNYQISL 62 (76)
Q Consensus 1 IYtd~G~~TC~g-~pGS~ghe~~DA~~fA~WGvDylK~D~C~~~~~~~~~~Y-----------------sC~Wp~y~~~~ 62 (76)
||+++|..||++ +|||+|||++||++||+|||||||||+|+.+...+.++| +|+||.+.|+.
T Consensus 139 Iy~d~G~~tC~~~~pGS~g~e~~DA~~fA~WGvDylK~D~C~~~~~~~~~~y~~m~~AL~~tGRpI~~SlC~wg~~~p~~ 218 (412)
T PLN02692 139 IYSDAGYFTCSKTMPGSLGHEEQDAKTFASWGIDYLKYDNCNNDGSKPTVRYPVMTRALMKAGRPIFFSLCEWGDMHPAL 218 (412)
T ss_pred EEecCCccccCCCCCCchHHHHHHHHHHHhcCCCEEeccccCCCCcchhHHHHHHHHHHHHhCCCeEEEecCCCcCChhh
Confidence 799999999975 899999999999999999999999999998766666666 59999999999
Q ss_pred ccccc
Q psy1877 63 TARLV 67 (76)
Q Consensus 63 wa~~~ 67 (76)
|++.+
T Consensus 219 w~~~~ 223 (412)
T PLN02692 219 WGSKV 223 (412)
T ss_pred hhhhc
Confidence 98754
>PLN02808 alpha-galactosidase
Back Show alignment and domain information
Probab=99.88 E-value=9.1e-24 Score=164.59 Aligned_cols=67 Identities=31% Similarity=0.564 Sum_probs=60.4
Q ss_pred CccCccccccCC-CCCccchHHHhHHHHHhccccEEEeeCCCCCCCCCCCcc-----------------cCCCCCCCCCc
Q psy1877 1 MYEDYGNYTCAG-YPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRGK-----------------TTSYPNYQISL 62 (76)
Q Consensus 1 IYtd~G~~TC~g-~pGS~ghe~~DA~~fA~WGvDylK~D~C~~~~~~~~~~Y-----------------sC~Wp~y~~~~ 62 (76)
||+++|..||++ +|||+|||++||++||+|||||||||+|+.+...+.++| +|+||...|+.
T Consensus 115 iy~~~G~~tC~~~~pGs~~~e~~DA~~fA~WGvDylK~D~C~~~~~~~~~~y~~m~~AL~~tGRpi~~slc~wg~~~p~~ 194 (386)
T PLN02808 115 IYSDAGTLTCSKTMPGSLGHEEQDAKTFASWGIDYLKYDNCENTGTSPQERYPKMSKALLNSGRPIFFSLCEWGQEDPAT 194 (386)
T ss_pred EEecCCccccCCCCCcchHHHHHHHHHHHHhCCCEEeecCcCCCCccHHHHHHHHHHHHHHhCCCeEEEecCCCCCCHHH
Confidence 799999999976 799999999999999999999999999998776666666 59999999999
Q ss_pred ccccc
Q psy1877 63 TARLV 67 (76)
Q Consensus 63 wa~~~ 67 (76)
|++.+
T Consensus 195 w~~~~ 199 (386)
T PLN02808 195 WAGDI 199 (386)
T ss_pred HHHhh
Confidence 98654
>PLN03231 putative alpha-galactosidase; Provisional
Back Show alignment and domain information
Probab=99.73 E-value=1.2e-18 Score=134.94 Aligned_cols=68 Identities=21% Similarity=0.117 Sum_probs=56.0
Q ss_pred CccCccccccC--------CCCCccchH----------------------------------HHhHHHHHhccccEEEee
Q psy1877 1 MYEDYGNYTCA--------GYPGILGYL----------------------------------ERDAYSFAEWNVDYIKID 38 (76)
Q Consensus 1 IYtd~G~~TC~--------g~pGS~ghe----------------------------------~~DA~~fA~WGvDylK~D 38 (76)
||+++|+.||+ |+|||+||| ++||++||+|||||||||
T Consensus 104 IY~~~G~~tca~~~~~pi~G~~Gs~g~~~~a~Dia~~~~~c~~~~~~~~~v~~~~~gaq~y~~~~a~~fA~WGVDylK~D 183 (357)
T PLN03231 104 IHVMRGISTTAVKKKTPILGAFKSNGHAWNAKDIALMDQACPWMQQCFVGVNTSSEGGKLFIQSLYDQYASWGIDFIKHD 183 (357)
T ss_pred EEecCCccchhcccCCccCCCCcccccccchhhhccccccccccccccccccccchhHHHHHHHHHHHHHHhCCCEEeec
Confidence 79999999998 889999875 677999999999999999
Q ss_pred CCCCCCCCCCCcc----------------cCCCCCCCCCccccccc
Q psy1877 39 GCYSHPSDMDRGK----------------TTSYPNYQISLTARLVS 68 (76)
Q Consensus 39 ~C~~~~~~~~~~Y----------------sC~Wp~y~~~~wa~~~~ 68 (76)
+|+.+.....++| ||+++...++.|+..+.
T Consensus 184 ~c~~~~~~~~~~y~~m~~AL~~tGRpIv~Slc~g~~~~~~~~~~i~ 229 (357)
T PLN03231 184 CVFGAENPQLDEILTVSKAIRNSGRPMIYSLSPGDGATPGLAARVA 229 (357)
T ss_pred ccCCCCcccHHHHHHHHHHHHHhCCCeEEEecCCCCCCchhhhhhh
Confidence 9987655454555 66667788888876654
>PLN02899 alpha-galactosidase
Back Show alignment and domain information
Probab=99.43 E-value=4.9e-14 Score=116.07 Aligned_cols=51 Identities=25% Similarity=0.388 Sum_probs=38.5
Q ss_pred cchHHHhH-------------HHHHhccccEEEeeCCCCCCCCCCCcc----------------cCCCCCCCCCcccccc
Q psy1877 17 LGYLERDA-------------YSFAEWNVDYIKIDGCYSHPSDMDRGK----------------TTSYPNYQISLTARLV 67 (76)
Q Consensus 17 ~ghe~~DA-------------~~fA~WGvDylK~D~C~~~~~~~~~~Y----------------sC~Wp~y~~~~wa~~~ 67 (76)
+|||.+|| ++||+|||||||||+|+.+... .+.| ||+++...++.|+..+
T Consensus 181 ~g~~~vDa~~~~g~a~~~Sla~tfAsWGVDyLKyD~c~~~~~~-~~ey~~ms~AL~aTGRPIvySLspG~~~~p~wa~~v 259 (633)
T PLN02899 181 HGFMSVNTKLGAGKAFLRSLYDQYAEWGVDFVKHDCVFGDDFD-LEEITYVSEVLKELDRPIVYSLSPGTSATPTMAKEV 259 (633)
T ss_pred CCcccccccccchhhhhHHHHHHHHHhCCCEEEEcCCCCCCCC-hHHHHHHHHHHHHhCCCeEEEecCCcccchhhhhhh
Confidence 57777775 9999999999999999874432 2334 6667777888888766
Q ss_pred c
Q psy1877 68 S 68 (76)
Q Consensus 68 ~ 68 (76)
+
T Consensus 260 ~ 260 (633)
T PLN02899 260 S 260 (633)
T ss_pred h
Confidence 4
>PF02065 Melibiase: Melibiase; InterPro: IPR000111 O-Glycosyl hydrolases 3
Back Show alignment and domain information
Probab=94.63 E-value=0.052 Score=42.82 Aligned_cols=21 Identities=33% Similarity=0.430 Sum_probs=14.9
Q ss_pred HhHHHHHhccccEEEeeCCCC
Q psy1877 22 RDAYSFAEWNVDYIKIDGCYS 42 (76)
Q Consensus 22 ~DA~~fA~WGvDylK~D~C~~ 42 (76)
+-.+.+++|||||||.|.+..
T Consensus 174 ~i~~ll~~~gidYiK~D~n~~ 194 (394)
T PF02065_consen 174 VIDRLLREWGIDYIKWDFNRD 194 (394)
T ss_dssp HHHHHHHHTT-SEEEEE-TS-
T ss_pred HHHHHHHhcCCCEEEeccccC
Confidence 445668999999999999864
2.1. from EC are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycosyl hydrolases, based on sequence similarity, has led to the definition of 85 different families [, ]. This classification is available on the CAZy (CArbohydrate-Active EnZymes) web site. Glycosyl hydrolase family 27, family 31 and family 36 alpha-galactosidases form the glycosyl hydrolase clan GH-D (acc_GH from CAZY), a superfamily of alpha-galactosidases, alpha-N-acetylgalactosaminidases, and isomaltodextranases which are likely to share a common catalytic mechanism and structural topology. Alpha-galactosidase (3.2.1.22 from EC) (melibiase) [] catalyzes the hydrolysis of melibiose into galactose and glucose. In man, the deficiency of this enzyme is the cause of Fabry's disease (X-linked sphingolipidosis). Alpha-galactosidase is present in a variety of organisms. There is a considerable degree of similarity in the sequence of alpha-galactosidase from various eukaryotic species. Escherichia coli alpha-galactosidase (gene melA), which requires NAD and magnesium as cofactors, is not structurally related to the eukaryotic enzymes; by contrast, an Escherichia coli plasmid encoded alpha-galactosidase (gene rafA P16551 from SWISSPROT) [] contains a region of about 50 amino acids which is similar to a domain of the eukaryotic alpha-galactosidases. Alpha-N-acetylgalactosaminidase (3.2.1.49 from EC) [] catalyzes the hydrolysis of terminal non-reducing N-acetyl-D-galactosamine residues in N-acetyl-alpha-D- galactosaminides. In man, the deficiency of this enzyme is the cause of Schindler and Kanzaki diseases. The sequence of this enzyme is highly related to that of the eukaryotic alpha-galactosidases.; GO: 0004553 hydrolase activity, hydrolyzing O-glycosyl compounds, 0005975 carbohydrate metabolic process; PDB: 1KTC_A 1KTB_A 1UAS_A 3H55_A 3H53_A 3IGU_B 3H54_A 3LRM_A 3LRL_A 3LRK_A ....
Homologous Structure Domains
Structure Domains Detected by RPS-BLAST
Original result of RPS-BLAST against SCOP70(version1.75) database
ID Alignment Graph Length
Definition
E-value
Query
76
d1r46a2
292
c.1.8.1 (A:32-323) Melibiase {Human (Homo sapiens)
2e-09
d1szna2
314
c.1.8.1 (A:1-314) Melibiase {Trichoderma reesei [T
5e-07
d1zy9a2
348
c.1.8.13 (A:178-525) Alpha-galactosidase GalA cata
1e-06
d1uasa2
273
c.1.8.1 (A:1-273) Melibiase {Rice (Oryza sativa) [
2e-06
d1ktba2
293
c.1.8.1 (A:1-293) Melibiase {Chicken (Gallus gallu
1e-05
>d1r46a2 c.1.8.1 (A:32-323) Melibiase {Human (Homo sapiens) [TaxId: 9606]} Length = 292
Back Hide information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: TIM beta/alpha-barrel
superfamily: (Trans)glycosidases
family: Amylase, catalytic domain
domain: Melibiase
species: Human (Homo sapiens) [TaxId: 9606]
Score = 49.4 bits (117), Expect = 2e-09
Identities = 24/44 (54%), Positives = 30/44 (68%)
Query: 1 MYEDYGNYTCAGYPGILGYLERDAYSFAEWNVDYIKIDGCYSHP 44
+Y D GN TCAG+PG GY + DA +FA+W VD +K DGCY
Sbjct: 102 IYADVGNKTCAGFPGSFGYYDIDAQTFADWGVDLLKFDGCYCDS 145
>d1szna2 c.1.8.1 (A:1-314) Melibiase {Trichoderma reesei [TaxId: 51453]} Length = 314
Back Show information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: TIM beta/alpha-barrel
superfamily: (Trans)glycosidases
family: Amylase, catalytic domain
domain: Melibiase
species: Trichoderma reesei [TaxId: 51453]
Score = 42.6 bits (99), Expect = 5e-07
Identities = 23/48 (47%), Positives = 27/48 (56%)
Query: 1 MYEDYGNYTCAGYPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMD 48
+Y G TCAGYP LGY + DA FA+W VDY+K D C D
Sbjct: 95 IYSTAGTATCAGYPASLGYEDVDAADFADWGVDYLKYDNCNVPSDWQD 142
>d1zy9a2 c.1.8.13 (A:178-525) Alpha-galactosidase GalA catalytic domain {Thermotoga maritima [TaxId: 2336]} Length = 348
Back Show information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: TIM beta/alpha-barrel
superfamily: (Trans)glycosidases
family: YicI catalytic domain-like
domain: Alpha-galactosidase GalA catalytic domain
species: Thermotoga maritima [TaxId: 2336]
Score = 41.7 bits (97), Expect = 1e-06
Identities = 9/55 (16%), Positives = 17/55 (30%)
Query: 1 MYEDYGNYTCAGYPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRGKTTSY 55
+ +L +L S + Y KID ++ +R K +
Sbjct: 113 NWNKKIYALDLSKDEVLNWLFDLFSSLRKMGYRYFKIDFLFAGAVPGERKKNITP 167
>d1uasa2 c.1.8.1 (A:1-273) Melibiase {Rice (Oryza sativa) [TaxId: 4530]} Length = 273
Back Show information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: TIM beta/alpha-barrel
superfamily: (Trans)glycosidases
family: Amylase, catalytic domain
domain: Melibiase
species: Rice (Oryza sativa) [TaxId: 4530]
Score = 41.3 bits (96), Expect = 2e-06
Identities = 19/51 (37%), Positives = 27/51 (52%), Gaps = 1/51 (1%)
Query: 1 MYEDYGNYTCAG-YPGILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRG 50
+Y D G+ TC+ PG L + E+D +FA W VDY+K D C +
Sbjct: 92 IYSDAGSQTCSNKMPGSLDHEEQDVKTFASWGVDYLKYDNCNDAGRSVMER 142
>d1ktba2 c.1.8.1 (A:1-293) Melibiase {Chicken (Gallus gallus) [TaxId: 9031]} Length = 293
Back Show information, alignment and structure
class: Alpha and beta proteins (a/b)
fold: TIM beta/alpha-barrel
superfamily: (Trans)glycosidases
family: Amylase, catalytic domain
domain: Melibiase
species: Chicken (Gallus gallus) [TaxId: 9031]
Score = 38.7 bits (89), Expect = 1e-05
Identities = 26/51 (50%), Positives = 34/51 (66%), Gaps = 1/51 (1%)
Query: 1 MYEDYGNYTCAGYPG-ILGYLERDAYSFAEWNVDYIKIDGCYSHPSDMDRG 50
+Y D G TC GYPG L +E+DA +FAEW VD +K+DGCYS + +G
Sbjct: 102 IYGDLGRLTCGGYPGTTLDRVEQDAQTFAEWGVDMLKLDGCYSSGKEQAQG 152