Citrus Sinensis ID: 033297


Local Sequence Feature Prediction

Prediction and (Method)Result
Residue Number Marker
Protein Sequence ?
Secondary Structure (PSIPRED) ?
Secondary Structure Prediction (SSPRO) ?
Coil and Loop (DISEMBL) ?
Flexible Loop (DISEMBL) ?
Low Complexity Region (SEG) ?
Disordered region (IsUnstruct) ?
Disordered Region (DISOPRED) ?
Disordered Region (DISEMBL) ?
Disordered Region (DISPRO) ?
Transmembrane Helix (TMHMM) ?
Transmembrane Helix (HMMTOP) ?
Transmembrane Helix (MEMSAT) ?
TM Helix, Signal Peptide (MEMSAT_SVM) ?
TM Helix, Signal Peptide (Phobius) ?
Signal Peptide (SignalP HMM Mode) ?
Signal Peptide (SignalP NN Mode) ?
Coiled Coils (COILS) ?
Positional Conservation ?
 
--------10--------20--------30--------40--------50--------60--------70--------80--------90-------100-------110-------120--
MGLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMATAGEPVEYRCLIRATDGKQKISTTVGAKDHQRFQASYATLLKAHMAALKKRERKDKKKGVDGDRKDGAGSTKKPKRV
ccccccHHHHHHHHHHHHHcccccEEEEEEEccccccccccccccccccccccEEEEEEEccccEEEEEEccccHHHHHHHHHHHHHHcccccccccccccccccccccccccccccccccc
ccccccHHHHHHHHHHHHHcccccEEEEEEEEccccccccccccccccccccccEEEEEEcccEEEEEEEcHHHHHHHHHHHHHHHHHHcHcccHccHHHHHHccccccccccccccccccc
mgllqpdpflnELTSMFernrdkgsvwvtfkrssmksksqknkmatagepveyrcliratdgkqkisttvgakdHQRFQASYATLLKAHMAALKKRErkdkkkgvdgdrkdgagstkkpkrv
MGLLQPDPFLNELTSmfernrdkgsvwvtfkrssmksksqknkmatagepveyrCLIRATDGKQKIsttvgakdhqRFQASYATLLKAHMAALkkrerkdkkkgvdgdrkdgagstkkpkrv
MGLLQPDPFLNELTSMFERNRDKGSVWVTFkrssmksksqknkMATAGEPVEYRCLIRATDGKQKISTTVGAKDHQRFQASYATLLKAHMAALkkrerkdkkkgvdgdrkdgAGSTKKPKRV
*************************VWVT*********************VEYRCLIRATDGKQKISTTVGA**HQRFQASYATLLKA**********************************
MGLLQPDPFLNELTSMFERNRDKGSVWVTF************************CLIRATDGKQKISTTVGAKDHQRFQASYATLLKAHM********************************
MGLLQPDPFLNELTSMFERNRDKGSVWVTFKR***************GEPVEYRCLIRATDGKQKISTTVGAKDHQRFQASYATLLKAHMAA******************************
*GLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMK**************VEYRCLIRATDGKQKISTTVGAKDHQRFQASYATLLKAHMAALK****************************
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
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iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiihhhhhhhhhhhhhhhhhhhoooooooooooooooooooooooooooooooooooooooooooo
oooooooohhhhhhhhhhhhhhhhiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
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MGLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMATAGEPVEYRCLIRATDGKQKISTTVGAKDHQRFQASYATLLKAHMAALKKRERKDKKKGVDGDRKDGAGSTKKPKRV
no confident homologs detected

Close Homologs for Annotation Transfer

Close Homologs in SWISS-PROT Database Detected by BLAST ?

ID ?Alignment graph ?Length ? Definition ? RBH(Q2H) ? RBH(H2Q) ? Q cover ? H cover ? Identity ? E-value ?
Query122 2.2.26 [Sep-21-2011]
O04421121 Signal recognition partic yes no 0.983 0.991 0.7 2e-41
O04433132 Signal recognition partic yes no 0.762 0.704 0.677 3e-33
Q4R5C7144 Signal recognition partic N/A no 0.827 0.701 0.460 1e-19
Q5RBX7136 Signal recognition partic yes no 0.819 0.735 0.455 3e-19
P37108136 Signal recognition partic yes no 0.819 0.735 0.455 3e-19
P16254110 Signal recognition partic yes no 0.762 0.845 0.457 2e-17
A6QQL9110 Signal recognition partic yes no 0.762 0.845 0.446 3e-16
P16255110 Signal recognition partic yes no 0.762 0.845 0.446 3e-16
Q556L1123 Signal recognition partic yes no 0.754 0.747 0.389 1e-09
O16927116 Signal recognition partic yes no 0.713 0.75 0.344 1e-05
>sp|O04421|SRP14_ARATH Signal recognition particle 14 kDa protein OS=Arabidopsis thaliana GN=SRP14 PE=2 SV=2 Back     alignment and function desciption
 Score =  167 bits (422), Expect = 2e-41,   Method: Compositional matrix adjust.
 Identities = 84/120 (70%), Positives = 103/120 (85%)

Query: 1   MGLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMATAGEPVEYRCLIRAT 60
           M LLQ DPFLNELTSMFE++++KGSVWVT KRSS+KSK QK K+++ GE +EYRCLIRAT
Sbjct: 1   MVLLQLDPFLNELTSMFEKSKEKGSVWVTLKRSSLKSKVQKRKLSSVGESIEYRCLIRAT 60

Query: 61  DGKQKISTTVGAKDHQRFQASYATLLKAHMAALKKRERKDKKKGVDGDRKDGAGSTKKPK 120
           DGK+ +ST+VGAKDHQRFQASYAT+LKAHM ALKKRERKD+KK  + ++K+   +TK  K
Sbjct: 61  DGKKTVSTSVGAKDHQRFQASYATILKAHMTALKKRERKDRKKSTEAEKKESTSTTKSKK 120




Signal-recognition-particle assembly has a crucial role in targeting secretory proteins to the rough endoplasmic reticulum membrane. SRP9 together with SRP14 and the Alu portion of the SRP RNA, constitutes the elongation arrest domain of SRP. The complex of SRP9 and SRP14 is required for SRP RNA binding.
Arabidopsis thaliana (taxid: 3702)
>sp|O04433|SRP14_ORYSJ Signal recognition particle 14 kDa protein OS=Oryza sativa subsp. japonica GN=SRP14 PE=2 SV=1 Back     alignment and function description
>sp|Q4R5C7|SRP14_MACFA Signal recognition particle 14 kDa protein OS=Macaca fascicularis GN=SRP14 PE=2 SV=1 Back     alignment and function description
>sp|Q5RBX7|SRP14_PONAB Signal recognition particle 14 kDa protein OS=Pongo abelii GN=SRP14 PE=2 SV=1 Back     alignment and function description
>sp|P37108|SRP14_HUMAN Signal recognition particle 14 kDa protein OS=Homo sapiens GN=SRP14 PE=1 SV=2 Back     alignment and function description
>sp|P16254|SRP14_MOUSE Signal recognition particle 14 kDa protein OS=Mus musculus GN=Srp14 PE=1 SV=1 Back     alignment and function description
>sp|A6QQL9|SRP14_BOVIN Signal recognition particle 14 kDa protein OS=Bos taurus GN=SRP14 PE=3 SV=1 Back     alignment and function description
>sp|P16255|SRP14_CANFA Signal recognition particle 14 kDa protein OS=Canis familiaris GN=SRP14 PE=1 SV=2 Back     alignment and function description
>sp|Q556L1|SRP14_DICDI Signal recognition particle 14 kDa protein OS=Dictyostelium discoideum GN=srp14-1 PE=3 SV=1 Back     alignment and function description
>sp|O16927|SRP14_CAEEL Signal recognition particle 14 kDa protein OS=Caenorhabditis elegans GN=F25G6.8 PE=3 SV=1 Back     alignment and function description

Close Homologs in the Non-Redundant Database Detected by BLAST ?

GI ?Alignment Graph ?Length ? Definition ? Q cover ? H cover ? Identity ? E-value ?
Query122
224121816121 predicted protein [Populus trichocarpa] 0.991 1.0 0.745 3e-41
388498074123 unknown [Lotus japonicus] 0.975 0.967 0.743 6e-41
118483992121 unknown [Populus trichocarpa] 0.991 1.0 0.737 9e-41
297828079118 signal recognition particle 14 kDa famil 0.959 0.991 0.726 2e-40
358344655120 Signal recognition particle 14 kDa prote 0.975 0.991 0.743 2e-40
15224325121 signal recognition particle subunit SRP1 0.983 0.991 0.7 1e-39
351726180120 uncharacterized protein LOC100526909 [Gl 0.975 0.991 0.743 1e-39
449454975118 PREDICTED: signal recognition particle 1 0.967 1.0 0.729 1e-39
2208946121 signal recognition particle subunit 14 [ 0.959 0.966 0.708 1e-38
351724345120 uncharacterized protein LOC100500453 [Gl 0.934 0.95 0.745 8e-38
>gi|224121816|ref|XP_002330660.1| predicted protein [Populus trichocarpa] gi|222872264|gb|EEF09395.1| predicted protein [Populus trichocarpa] Back     alignment and taxonomy information
 Score =  172 bits (436), Expect = 3e-41,   Method: Compositional matrix adjust.
 Identities = 91/122 (74%), Positives = 106/122 (86%), Gaps = 1/122 (0%)

Query: 1   MGLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMATAGEPVEYRCLIRAT 60
           M LLQ DPFLNELT++++ + DKGS+WVT KRSSMKSK Q+NKM T GEP+EYRCLIRAT
Sbjct: 1   MVLLQLDPFLNELTTLYQNSTDKGSIWVTLKRSSMKSKVQRNKMTTNGEPIEYRCLIRAT 60

Query: 61  DGKQKISTTVGAKDHQRFQASYATLLKAHMAALKKRERKDKKKGVDGDRKDGAGSTKKPK 120
           DGK+ IST+VGA+DHQRFQASYAT+LKAHM ALKKRERKDKKK  +GD+K+G    KKPK
Sbjct: 61  DGKKTISTSVGARDHQRFQASYATILKAHMTALKKRERKDKKKAAEGDKKEG-DVKKKPK 119

Query: 121 RV 122
           RV
Sbjct: 120 RV 121




Source: Populus trichocarpa

Species: Populus trichocarpa

Genus: Populus

Family: Salicaceae

Order: Malpighiales

Class:

Phylum: Streptophyta

Superkingdom: Eukaryota

>gi|388498074|gb|AFK37103.1| unknown [Lotus japonicus] Back     alignment and taxonomy information
>gi|118483992|gb|ABK93883.1| unknown [Populus trichocarpa] Back     alignment and taxonomy information
>gi|297828079|ref|XP_002881922.1| signal recognition particle 14 kDa family protein [Arabidopsis lyrata subsp. lyrata] gi|297327761|gb|EFH58181.1| signal recognition particle 14 kDa family protein [Arabidopsis lyrata subsp. lyrata] Back     alignment and taxonomy information
>gi|358344655|ref|XP_003636403.1| Signal recognition particle 14 kDa protein [Medicago truncatula] gi|355502338|gb|AES83541.1| Signal recognition particle 14 kDa protein [Medicago truncatula] Back     alignment and taxonomy information
>gi|15224325|ref|NP_181892.1| signal recognition particle subunit SRP14 [Arabidopsis thaliana] gi|145331117|ref|NP_001078050.1| signal recognition particle subunit SRP14 [Arabidopsis thaliana] gi|148887436|sp|O04421.2|SRP14_ARATH RecName: Full=Signal recognition particle 14 kDa protein; Short=SRP14 gi|2281106|gb|AAB64042.1| putative signal recognition particle protein 14kD, ATSRP14 [Arabidopsis thaliana] gi|21618107|gb|AAM67157.1| putative 14kD signal recognition particle protein ATSRP14 [Arabidopsis thaliana] gi|27765064|gb|AAO23653.1| At2g43640 [Arabidopsis thaliana] gi|110743029|dbj|BAE99407.1| putative signal recognition particle protein 14kD [Arabidopsis thaliana] gi|222424082|dbj|BAH20001.1| AT2G43640 [Arabidopsis thaliana] gi|330255204|gb|AEC10298.1| signal recognition particle subunit SRP14 [Arabidopsis thaliana] gi|330255205|gb|AEC10299.1| signal recognition particle subunit SRP14 [Arabidopsis thaliana] Back     alignment and taxonomy information
>gi|351726180|ref|NP_001235838.1| uncharacterized protein LOC100526909 [Glycine max] gi|255631129|gb|ACU15930.1| unknown [Glycine max] Back     alignment and taxonomy information
>gi|449454975|ref|XP_004145229.1| PREDICTED: signal recognition particle 14 kDa protein-like [Cucumis sativus] gi|449474535|ref|XP_004154207.1| PREDICTED: signal recognition particle 14 kDa protein-like [Cucumis sativus] gi|449506299|ref|XP_004162708.1| PREDICTED: signal recognition particle 14 kDa protein-like [Cucumis sativus] Back     alignment and taxonomy information
>gi|2208946|emb|CAA71202.1| signal recognition particle subunit 14 [Arabidopsis thaliana] Back     alignment and taxonomy information
>gi|351724345|ref|NP_001238334.1| uncharacterized protein LOC100500453 [Glycine max] gi|255630367|gb|ACU15540.1| unknown [Glycine max] Back     alignment and taxonomy information

Prediction of Gene Ontology (GO) Terms

Close Homologs with Gene Ontology terms Detected by BLAST ?

ID ? Alignment graph ? Length ? Definition ? Q cover ? H cover ? Identity ? E-value ?
Query122
TAIR|locus:2044029121 AT2G43640 "AT2G43640" [Arabido 0.762 0.768 0.655 9.1e-29
MGI|MGI:107169110 Srp14 "signal recognition part 0.762 0.845 0.425 8.8e-15
RGD|1308506110 Srp14 "signal recognition part 0.762 0.845 0.425 8.8e-15
UNIPROTKB|P37108136 SRP14 "Signal recognition part 0.762 0.683 0.414 3.8e-14
UNIPROTKB|F1SS29110 LOC100620327 "Uncharacterized 0.762 0.845 0.414 7.9e-14
UNIPROTKB|A6QQL9110 SRP14 "Signal recognition part 0.762 0.845 0.414 1.3e-13
UNIPROTKB|J9P615110 SRP14 "Signal recognition part 0.762 0.845 0.414 1.3e-13
UNIPROTKB|P16255110 SRP14 "Signal recognition part 0.762 0.845 0.414 1.3e-13
UNIPROTKB|Q5ZIE3110 SRP14 "Uncharacterized protein 0.762 0.845 0.404 2.1e-13
ZFIN|ZDB-GENE-050913-131110 srp14 "signal recognition part 0.762 0.845 0.414 3.4e-13
TAIR|locus:2044029 AT2G43640 "AT2G43640" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
 Score = 320 (117.7 bits), Expect = 9.1e-29, P = 9.1e-29
 Identities = 61/93 (65%), Positives = 73/93 (78%)

Query:     1 MGLLQPDPFLNELTSMFERNRDKGSVWVTFXXXXXXXXXXXXXMATAGEPVEYRCLIRAT 60
             M LLQ DPFLNELTSMFE++++KGSVWVT              +++ GE +EYRCLIRAT
Sbjct:     1 MVLLQLDPFLNELTSMFEKSKEKGSVWVTLKRSSLKSKVQKRKLSSVGESIEYRCLIRAT 60

Query:    61 DGKQKISTTVGAKDHQRFQASYATLLKAHMAAL 93
             DGK+ +ST+VGAKDHQRFQASYAT+LKAHM AL
Sbjct:    61 DGKKTVSTSVGAKDHQRFQASYATILKAHMTAL 93




GO:0003723 "RNA binding" evidence=ISS
GO:0005737 "cytoplasm" evidence=ISM
GO:0005786 "signal recognition particle, endoplasmic reticulum targeting" evidence=IEA;ISS
GO:0006605 "protein targeting" evidence=ISS
GO:0006614 "SRP-dependent cotranslational protein targeting to membrane" evidence=IEA
GO:0008312 "7S RNA binding" evidence=IEA
GO:0030942 "endoplasmic reticulum signal peptide binding" evidence=IEA
GO:0045900 "negative regulation of translational elongation" evidence=IEA
GO:0048500 "signal recognition particle" evidence=IEA
MGI|MGI:107169 Srp14 "signal recognition particle 14" [Mus musculus (taxid:10090)] Back     alignment and assigned GO terms
RGD|1308506 Srp14 "signal recognition particle 14" [Rattus norvegicus (taxid:10116)] Back     alignment and assigned GO terms
UNIPROTKB|P37108 SRP14 "Signal recognition particle 14 kDa protein" [Homo sapiens (taxid:9606)] Back     alignment and assigned GO terms
UNIPROTKB|F1SS29 LOC100620327 "Uncharacterized protein" [Sus scrofa (taxid:9823)] Back     alignment and assigned GO terms
UNIPROTKB|A6QQL9 SRP14 "Signal recognition particle 14 kDa protein" [Bos taurus (taxid:9913)] Back     alignment and assigned GO terms
UNIPROTKB|J9P615 SRP14 "Signal recognition particle 14 kDa protein" [Canis lupus familiaris (taxid:9615)] Back     alignment and assigned GO terms
UNIPROTKB|P16255 SRP14 "Signal recognition particle 14 kDa protein" [Canis lupus familiaris (taxid:9615)] Back     alignment and assigned GO terms
UNIPROTKB|Q5ZIE3 SRP14 "Uncharacterized protein" [Gallus gallus (taxid:9031)] Back     alignment and assigned GO terms
ZFIN|ZDB-GENE-050913-131 srp14 "signal recognition particle 14" [Danio rerio (taxid:7955)] Back     alignment and assigned GO terms

Prediction of Enzyme Commission (EC) Number

EC Number Prediction by Annotation Transfer from SWISS-PROT Entries ?

ID ?Name ?Annotated EC number ?Identity ?Query coverage ?Hit coverage ?RBH(Q2H) ?RBH(H2Q) ?
O04421SRP14_ARATHNo assigned EC number0.70.98360.9917yesno
O04433SRP14_ORYSJNo assigned EC number0.67740.76220.7045yesno

EC Number Prediction by Ezypred Server ?

Fail to connect to Ezypred Server

EC Number Prediction by EFICAz Software ?

No EC number assignment, probably not an enzyme!


Prediction of Functionally Associated Proteins

Functionally Associated Proteins Detected by STRING ?

Your Input:
estExt_Genewise1_v1.C_1420199
SubName- Full=Putative uncharacterized protein; (121 aa)
(Populus trichocarpa)
Predicted Functional Partners:
estExt_fgenesh4_pg.C_LG_II0401
hypothetical protein (104 aa)
    0.688
estExt_fgenesh4_pm.C_LG_V0536
SubName- Full=Putative uncharacterized protein; (104 aa)
    0.677
estExt_Genewise1_v1.C_LG_XV1107
hypothetical protein (137 aa)
    0.537
estExt_Genewise1_v1.C_LG_XII0668
hypothetical protein (137 aa)
    0.528
gw1.I.822.1
SubName- Full=Putative uncharacterized protein; (493 aa)
      0.438
gw1.XVI.3558.1
hypothetical protein (491 aa)
      0.437

Conserved Domains and Related Protein Families

Conserved Domains Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query122
pfam0229091 pfam02290, SRP14, Signal recognition particle 14kD 2e-32
>gnl|CDD|216962 pfam02290, SRP14, Signal recognition particle 14kD protein Back     alignment and domain information
 Score =  108 bits (273), Expect = 2e-32
 Identities = 46/91 (50%), Positives = 61/91 (67%), Gaps = 1/91 (1%)

Query: 4  LQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMA-TAGEPVEYRCLIRATDG 62
          L  + FL ELT +F++ R KGSV++T KR    +K    K   +  E  EY CLIRATDG
Sbjct: 1  LSNEEFLTELTKLFQKARSKGSVYLTMKRYDGNTKPVPRKGEPSVSEGSEYSCLIRATDG 60

Query: 63 KQKISTTVGAKDHQRFQASYATLLKAHMAAL 93
          K+KIST V A+D ++FQASY+ +LKA+M  L
Sbjct: 61 KKKISTVVSAEDLEKFQASYSEVLKANMDGL 91


The signal recognition particle (SRP) is a multimeric protein involved in targeting secretory proteins to the rough endoplasmic reticulum membrane. SRP14 and SRP9 form a complex essential for SRP RNA binding. Length = 91

Conserved Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query 122
PF0229093 SRP14: Signal recognition particle 14kD protein; I 100.0
KOG1761116 consensus Signal recognition particle, subunit Srp 100.0
>PF02290 SRP14: Signal recognition particle 14kD protein; InterPro: IPR003210 The signal recognition particle (SRP) is a multimeric protein, which along with its conjugate receptor (SR), is involved in targeting secretory proteins to the rough endoplasmic reticulum (RER) membrane in eukaryotes, or to the plasma membrane in prokaryotes [, ] Back     alignment and domain information
Probab=100.00  E-value=2.5e-41  Score=236.04  Aligned_cols=90  Identities=50%  Similarity=0.753  Sum_probs=68.0

Q ss_pred             CCchHHHHHHHHHHhhcCCCc-eEEEEEecCCCCCcccccccC-CCCCCCceeeEEEEeCCCc-eEEEEeccccHHHHHH
Q 033297            4 LQPDPFLNELTSMFERNRDKG-SVWVTFKRSSMKSKSQKNKMA-TAGEPVEYRCLIRATDGKQ-KISTTVGAKDHQRFQA   80 (122)
Q Consensus         4 L~ndeFL~~L~~Lf~~~~~~g-SV~lT~KR~~~~~~~~~~~~~-~~~~~~ey~~LiRAt~Gk~-KiSTvV~~~~l~~F~~   80 (122)
                      ||||+||++|++||+.++++| |||||||||++.+.+.+.... ...++.||+||||||||++ ||||+|+++||++||+
T Consensus         1 L~ndeFL~~L~~lf~~~~~k~gSV~lT~KR~~~~~k~~~~~~~~~~~~~~~~~~LiRAt~Gkk~KiSTvV~~~~l~~F~~   80 (93)
T PF02290_consen    1 LSNDEFLSELTKLFEKSKEKGGSVYLTQKRLDGKTKPKPKKQKPSSSEDKEYPCLIRATNGKKIKISTVVDPDDLDKFWQ   80 (93)
T ss_dssp             E-HHHHHHHHHHHHHHCSSSSS-EEEEEEEEEE-------------------EEEEEEESSSS-EEEEEEETTCHHHHHH
T ss_pred             CCHHHHHHHHHHHHHHcccCCceEEEEEeecCCCCCCCCccccCCCCCCCCceEEEEEecCCCCeEEEEECHHHHHHHHH
Confidence            799999999999999999876 999999999887655444332 3345679999999999998 9999999999999999


Q ss_pred             HHHHHHHhhcccc
Q 033297           81 SYATLLKAHMAAL   93 (122)
Q Consensus        81 ~Y~~vlK~~M~~L   93 (122)
                      +|++|||+||+||
T Consensus        81 ~Y~~v~K~~M~~L   93 (93)
T PF02290_consen   81 SYANVLKAGMDGL   93 (93)
T ss_dssp             HHHHHHHHHCCTS
T ss_pred             HHHHHHHhhCcCC
Confidence            9999999999998



SRP recognises the signal sequence of the nascent polypeptide on the ribosome, retards its elongation, and docks the SRP-ribosome-polypeptide complex to the RER membrane via the SR receptor. Eukaryotic SRP consists of six polypeptides (SRP9, SRP14, SRP19, SRP54, SRP68 and SRP72) and a single 300 nucleotide 7S RNA molecule. The RNA component catalyses the interaction of SRP with its SR receptor []. In higher eukaryotes, the SRP complex consists of the Alu domain and the S domain linked by the SRP RNA. The Alu domain consists of a heterodimer of SRP9 and SRP14 bound to the 5' and 3' terminal sequences of SRP RNA. This domain is necessary for retarding the elongation of the nascent polypeptide chain, which gives SRP time to dock the ribosome-polypeptide complex to the RER membrane. In archaea, the SRP complex contains 7S RNA like its eukaryotic counterpart, yet only includes two of the six protein subunits found in the eukarytic complex: SRP19 and SRP54 []. This entry represents the 14 kDa SRP14 component. Both SRP9 and SRP14 have the same (beta)-alpha-beta(3)-alpha fold. The heterodimer has pseudo two-fold symmetry and is saddle-like, consisting of a curved six-stranded beta-sheet that has four helices packed on the convex side and an exposed concave surface lined with positively charged residues. The SRP9/SRP14 heterodimer is essential for SRP RNA binding, mediating the pausing of synthesis of ribosome associated nascent polypeptides that have been engaged by the targeting domain of SRP [].; GO: 0008312 7S RNA binding, 0030942 endoplasmic reticulum signal peptide binding, 0006614 SRP-dependent cotranslational protein targeting to membrane, 0005786 signal recognition particle, endoplasmic reticulum targeting; PDB: 1914_A 1RY1_D 1E8O_B 2W9J_B.

>KOG1761 consensus Signal recognition particle, subunit Srp14 [Intracellular trafficking, secretion, and vesicular transport] Back     alignment and domain information

Homologous Structure Templates

Structure Templates Detected by BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query122
1914_A232 Signal Recognition Particle Alu Rna Binding Heterod 4e-16
1e8o_B106 Core Of The Alu Domain Of The Mammalian Srp Length 2e-15
>pdb|1914|A Chain A, Signal Recognition Particle Alu Rna Binding Heterodimer, Srp914 Length = 232 Back     alignment and structure

Iteration: 1

Score = 79.7 bits (195), Expect = 4e-16, Method: Compositional matrix adjust. Identities = 40/94 (42%), Positives = 58/94 (61%), Gaps = 1/94 (1%) Query: 1 MGLLQPDPFLNELTSMFERNRDKGSVWVTFXXXXXXXXXXXXXMATAG-EPVEYRCLIRA 59 M LL+ + FL ELT +F++ R GSV++T + G EP E +CL+RA Sbjct: 20 MVLLESEQFLTELTRLFQKCRSSGSVFITLKKYDGRTKPIPRKSSVEGLEPAENKCLLRA 79 Query: 60 TDGKQKISTTVGAKDHQRFQASYATLLKAHMAAL 93 TDGK+KIST V +K+ +FQ +Y+ LL+A+M L Sbjct: 80 TDGKRKISTVVSSKEVNKFQMAYSNLLRANMDGL 113
>pdb|1E8O|B Chain B, Core Of The Alu Domain Of The Mammalian Srp Length = 106 Back     alignment and structure

Structure Templates Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query122
1e8o_B106 SRP14, signal recognition particle 14 kDa protein; 2e-39
1914_A232 Signal recognition particle 9/14 fusion protein; A 3e-37
2w9j_A91 Signal recognition particle subunit SRP14; radiati 1e-19
>1e8o_B SRP14, signal recognition particle 14 kDa protein; ALU ribonucleoprotein particle, protein recognition of AN RNA U-turn, translational control; HET: GDP; 3.20A {Homo sapiens} SCOP: d.49.1.1 PDB: 1e8s_B 1ry1_D* Length = 106 Back     alignment and structure
 Score =  126 bits (318), Expect = 2e-39
 Identities = 47/102 (46%), Positives = 71/102 (69%), Gaps = 1/102 (0%)

Query: 3   LLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMATAG-EPVEYRCLIRATD 61
           LL+ + FL ELT +F++ R  GSV++T K+   ++K    K    G EP + +CL+RATD
Sbjct: 2   LLESEQFLTELTRLFQKCRTSGSVYITLKKYDGRTKPIPKKGTVEGFEPADNKCLLRATD 61

Query: 62  GKQKISTTVGAKDHQRFQASYATLLKAHMAALKKRERKDKKK 103
           GK+KIST V +K+  +FQ +Y+ LL+A+M  LKKR++K+K K
Sbjct: 62  GKKKISTVVSSKEVNKFQMAYSNLLRANMDGLKKRDKKNKTK 103


>1914_A Signal recognition particle 9/14 fusion protein; ALU domain, RNA binding, signal recognition particle (SRP), translation regulation; 2.53A {Mus musculus} SCOP: d.49.1.1 d.49.1.1 PDB: 1e8o_A* 1e8s_A 1ry1_C* Length = 232 Back     alignment and structure
>2w9j_A Signal recognition particle subunit SRP14; radiation-induced phasing, RNA-BI ribonucleoprotein, signaling P arsenic, ALU-domain; 2.60A {Schizosaccharomyces pombe} Length = 91 Back     alignment and structure

Structure Templates Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query122
1e8o_B106 SRP14, signal recognition particle 14 kDa protein; 100.0
1914_A232 Signal recognition particle 9/14 fusion protein; A 100.0
2w9j_A91 Signal recognition particle subunit SRP14; radiati 100.0
>1e8o_B SRP14, signal recognition particle 14 kDa protein; ALU ribonucleoprotein particle, protein recognition of AN RNA U-turn, translational control; HET: GDP; 3.20A {Homo sapiens} SCOP: d.49.1.1 PDB: 1e8s_B 1ry1_D* Back     alignment and structure
Probab=100.00  E-value=4.3e-49  Score=280.25  Aligned_cols=104  Identities=44%  Similarity=0.729  Sum_probs=74.3

Q ss_pred             CCCCchHHHHHHHHHHhhcCCCceEEEEEecCCCCCcccccccC-CCCCCCceeeEEEEeCCCceEEEEeccccHHHHHH
Q 033297            2 GLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMA-TAGEPVEYRCLIRATDGKQKISTTVGAKDHQRFQA   80 (122)
Q Consensus         2 vlL~ndeFL~~L~~Lf~~~~~~gSV~lT~KR~~~~~~~~~~~~~-~~~~~~ey~~LiRAt~Gk~KiSTvV~~~~l~~F~~   80 (122)
                      ||||||+||++|++||+.++++||||||||||++.+.+.++... ...++.||+||||||||++||||||+++||++||+
T Consensus         1 vlL~nd~FL~~L~~Lf~~~k~~gSV~lT~KR~~~~~~~~~~~~~~~~~~~~e~~cLiRAt~GkkKiSTvV~~~dl~~F~~   80 (106)
T 1e8o_B            1 VLLESEQFLTELTRLFQKCRTSGSVYITLKKYDGRTKPIPKKGTVEGFEPADNKCLLRATDGKKKISTVVSSKEVNKFQM   80 (106)
T ss_dssp             CCCCHHHHHHHHHHHHHHHTTTCCEEEEEEEEC-------------------CEEEEEEESSSSEEEEEEETTTHHHHHH
T ss_pred             CCCCHHHHHHHHHHHHHhCCCCceEEEEEEecCCCCCCCCccccCCCCCCCCCcEEEEeeCCCCCEEEEECHHHHHHHHH
Confidence            79999999999999999999999999999999998776655432 22345689999999999999999999999999999


Q ss_pred             HHHHHHHhhccccccccccccccCC
Q 033297           81 SYATLLKAHMAALKKRERKDKKKGV  105 (122)
Q Consensus        81 ~Y~~vlK~~M~~LkKrdKkk~K~k~  105 (122)
                      +|++|||+||+||+||||+++|+++
T Consensus        81 ~Y~~v~K~~M~gLKkrdkkkkkk~~  105 (106)
T 1e8o_B           81 AYSNLLRANMDGLKKRDKKNKTKKT  105 (106)
T ss_dssp             HHHHHHHHHCCCCC-----------
T ss_pred             HHHHHHHhcccccCccccccccccC
Confidence            9999999999999999998887665



>1914_A Signal recognition particle 9/14 fusion protein; ALU domain, RNA binding, signal recognition particle (SRP), translation regulation; 2.53A {Mus musculus} SCOP: d.49.1.1 d.49.1.1 PDB: 1e8o_A* 1e8s_A 1ry1_C* Back     alignment and structure
>2w9j_A Signal recognition particle subunit SRP14; radiation-induced phasing, RNA-BI ribonucleoprotein, signaling P arsenic, ALU-domain; 2.60A {Schizosaccharomyces pombe} Back     alignment and structure

Homologous Structure Domains

Structure Domains Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query 122
d1914a297 d.49.1.1 (A:2001-2097) Signal recognition particle 1e-37
>d1914a2 d.49.1.1 (A:2001-2097) Signal recognition particle 14KDa protein, SRP14 {Mouse (Mus musculus) [TaxId: 10090]} Length = 97 Back     information, alignment and structure

class: Alpha and beta proteins (a+b)
fold: Signal recognition particle alu RNA binding heterodimer, SRP9/14
superfamily: Signal recognition particle alu RNA binding heterodimer, SRP9/14
family: Signal recognition particle alu RNA binding heterodimer, SRP9/14
domain: Signal recognition particle 14KDa protein, SRP14
species: Mouse (Mus musculus) [TaxId: 10090]
 Score =  121 bits (304), Expect = 1e-37
 Identities = 46/97 (47%), Positives = 67/97 (69%), Gaps = 1/97 (1%)

Query: 1  MGLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMATAG-EPVEYRCLIRA 59
          M LL+ + FL ELT +F++ R  GSV++T K+   ++K    K +  G EP E +CL+RA
Sbjct: 1  MVLLESEQFLTELTRLFQKCRSSGSVFITLKKYDGRTKPIPRKSSVEGLEPAENKCLLRA 60

Query: 60 TDGKQKISTTVGAKDHQRFQASYATLLKAHMAALKKR 96
          TDGK+KIST V +K+  +FQ +Y+ LL+A+M  LKKR
Sbjct: 61 TDGKRKISTVVSSKEVNKFQMAYSNLLRANMDGLKKR 97


Homologous Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query122
d1914a297 Signal recognition particle 14KDa protein, SRP14 { 100.0
>d1914a2 d.49.1.1 (A:2001-2097) Signal recognition particle 14KDa protein, SRP14 {Mouse (Mus musculus) [TaxId: 10090]} Back     information, alignment and structure
class: Alpha and beta proteins (a+b)
fold: Signal recognition particle alu RNA binding heterodimer, SRP9/14
superfamily: Signal recognition particle alu RNA binding heterodimer, SRP9/14
family: Signal recognition particle alu RNA binding heterodimer, SRP9/14
domain: Signal recognition particle 14KDa protein, SRP14
species: Mouse (Mus musculus) [TaxId: 10090]
Probab=100.00  E-value=4.3e-48  Score=269.94  Aligned_cols=96  Identities=47%  Similarity=0.761  Sum_probs=80.7

Q ss_pred             CCCCCchHHHHHHHHHHhhcCCCceEEEEEecCCCCCcccccccCC-CCCCCceeeEEEEeCCCceEEEEeccccHHHHH
Q 033297            1 MGLLQPDPFLNELTSMFERNRDKGSVWVTFKRSSMKSKSQKNKMAT-AGEPVEYRCLIRATDGKQKISTTVGAKDHQRFQ   79 (122)
Q Consensus         1 MvlL~ndeFL~~L~~Lf~~~~~~gSV~lT~KR~~~~~~~~~~~~~~-~~~~~ey~~LiRAt~Gk~KiSTvV~~~~l~~F~   79 (122)
                      ||||+||+||++|++||+.++++||||||||||++.+.+.+..... ..++.||+||||||||++||||+|+++|+++||
T Consensus         1 MvlL~nd~FL~eLt~Lf~~~~~~gSV~vT~KR~~~~~kp~~~~~~~~~~~~~e~~cLiRAt~GkkKiSTvV~~~~~~~F~   80 (97)
T d1914a2           1 MVLLESEQFLTELTRLFQKCRSSGSVFITLKKYDGRTKPIPRKSSVEGLEPAENKCLLRATDGKRKISTVVSSKEVNKFQ   80 (97)
T ss_dssp             CCEECHHHHHHHHHHHHHHTSSSCCEEEEEEEEC------------CCCCCCCCEEEEEEESSSCEEEEEEETTSHHHHH
T ss_pred             CccccHHHHHHHHHHHHHhcccCceEEEEEEecCCCcCCCCCCCCCCCCCCCcceEEEEecCCCeeEEEEECHHHHHHHH
Confidence            9999999999999999999999999999999999888776654432 335679999999999999999999999999999


Q ss_pred             HHHHHHHHhhccccccc
Q 033297           80 ASYATLLKAHMAALKKR   96 (122)
Q Consensus        80 ~~Y~~vlK~~M~~LkKr   96 (122)
                      ++|++|||+||+||+||
T Consensus        81 ~~Y~~v~Ka~M~gLkkr   97 (97)
T d1914a2          81 MAYSNLLRANMDGLKKR   97 (97)
T ss_dssp             HHHHHHHHHHSCCSBCC
T ss_pred             HHHHHHHHhhCccccCC
Confidence            99999999999999987