Citrus Sinensis ID: 039166


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-------130-------140-------150-------160-------170-------180-------19
MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIFE
cEEcccccccccccccccccccccccccccccccccccccccEEEcccccHHHHHHHcccccHHHHEEccccccccccccccccccccccEEEEEEccccEEEEEEEEEccccccEEEEEEEccccEEEEEEccEEEEcccccEEEEEEEEEEEEcccccccccEEEEEEEEEcccEEEEEEEEEEEc
cccccEEcccccccccccccccccccccccccccHHHcccccEEEEccHHHHHHHHHHccccHHHHHHHEccccccccccccccccccccEEEEEcccccEEEEEEEEEccccccEEEEEEEccccEEEEEEccEEEEEEccEEEEEEEEEEEEccccccccccEEEEEEEEEcccEEEEcEEEEEEc
mmtttdivnlegkpiiderllpadifaigaghvnpsrandpglvfdiqpddyipylcglnytdREIAILVQRKVKCSEISSIKeaqlnypsfsltlgsgaqtytrtvtnvgqpnslykslifvpqgvevevtpstlqfneanqkaSFAVTFkrtsyggnrqdmpfaqgyikwssdqhsvriplvvife
mmtttdivnlegkpiideRLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLqfneanqkasFAVTFKRTSYGGNRQDMPFAQGYIkwssdqhsvrIPLVVIFE
MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIFE
******IVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIF*
MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCS**SSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIFE
MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIFE
MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIFE
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
oooooooooooooooooooooooooooooooooooooooooooooooooooooooohhhhhhhhhhhhhhhhhhhhiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
oooooooooooooooooooooooooooooooooooooooohhhhhhhhhhhhhhhhiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
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MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVRIPLVVIFE
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 ?
Query188 2.2.26 [Sep-21-2011]
O64495775 Subtilisin-like protease yes no 0.984 0.238 0.413 2e-32
O65351757 Subtilisin-like protease no no 0.978 0.243 0.380 1e-29
Q9LLL8749 Xylem serine proteinase 1 no no 0.819 0.205 0.410 4e-27
Q39547731 Cucumisin OS=Cucumis melo N/A no 0.867 0.222 0.333 6e-22
>sp|O64495|SDD1_ARATH Subtilisin-like protease SDD1 OS=Arabidopsis thaliana GN=SDD1 PE=2 SV=1 Back     alignment and function desciption
 Score =  138 bits (347), Expect = 2e-32,   Method: Compositional matrix adjust.
 Identities = 81/196 (41%), Positives = 112/196 (57%), Gaps = 11/196 (5%)

Query: 1   MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLN 60
           +MTT D+ + +GK I D    PA +FAIGAGHVNP +A +PGLV++IQP DYI YLC L 
Sbjct: 581 LMTTADLYDRQGKAIKDGNK-PAGVFAIGAGHVNPQKAINPGLVYNIQPVDYITYLCTLG 639

Query: 61  YTDREIAILVQRKVKCSEISSIKEA-QLNYPSFSLTLGSGAQT--YTRTVTNVGQPNSLY 117
           +T  +I  +  + V C+ I        LNYPS ++    G  T   TR VTNVG PNS+Y
Sbjct: 640 FTRSDILAITHKNVSCNGILRKNPGFSLNYPSIAVIFKRGKTTEMITRRVTNVGSPNSIY 699

Query: 118 KSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTF--KRTSYGGNRQDMPFAQGYIKWSSD 175
              +  P+G++V V P  L F   +Q  S+ V F  K+ + GG  +   FAQG + W + 
Sbjct: 700 SVNVKAPEGIKVIVNPKRLVFKHVDQTLSYRVWFVLKKKNRGG--KVASFAQGQLTWVNS 757

Query: 176 QH---SVRIPLVVIFE 188
            +    VR P+ V  +
Sbjct: 758 HNLMQRVRSPISVTLK 773




Serine protease involved in the negative regulation of stomatal density and distribution. Positive regulator of water use efficiency (WUE).
Arabidopsis thaliana (taxid: 3702)
EC: 3EC: .EC: 4EC: .EC: 2EC: 1EC: .EC: -
>sp|O65351|SUBL_ARATH Subtilisin-like protease OS=Arabidopsis thaliana GN=ARA12 PE=1 SV=1 Back     alignment and function description
>sp|Q9LLL8|XSP1_ARATH Xylem serine proteinase 1 OS=Arabidopsis thaliana GN=XSP1 PE=2 SV=1 Back     alignment and function description
>sp|Q39547|CUCM1_CUCME Cucumisin OS=Cucumis melo PE=1 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 ?
Query188
225426708 772 PREDICTED: subtilisin-like protease SDD1 0.994 0.242 0.627 1e-65
255537183 738 Xylem serine proteinase 1 precursor, put 0.978 0.249 0.606 8e-63
255537189 745 Xylem serine proteinase 1 precursor, put 0.978 0.246 0.585 2e-62
255537203 758 Xylem serine proteinase 1 precursor, put 0.978 0.242 0.620 2e-62
388491338186 unknown [Medicago truncatula] 0.989 1.0 0.598 4e-61
3413481 747 serine protease [Solanum lycopersicum] 0.978 0.246 0.601 5e-61
357481819 756 Subtilisin-like serine protease [Medicag 0.994 0.247 0.595 5e-61
225426710 755 PREDICTED: subtilisin-like protease SDD1 0.984 0.245 0.611 5e-61
224071646 698 predicted protein [Populus trichocarpa] 0.978 0.263 0.595 1e-60
350536267 745 subtilisin-like protease precursor [Sola 0.973 0.245 0.598 2e-60
>gi|225426708|ref|XP_002275452.1| PREDICTED: subtilisin-like protease SDD1-like [Vitis vinifera] Back     alignment and taxonomy information
 Score =  254 bits (650), Expect = 1e-65,   Method: Compositional matrix adjust.
 Identities = 118/188 (62%), Positives = 141/188 (75%), Gaps = 1/188 (0%)

Query: 1   MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLN 60
           ++TT D+ NLE KPIIDE   PAD+FA GAGHVNPS ANDPGL++D++PDDYIPYLCGL 
Sbjct: 586 IITTADLHNLENKPIIDETFQPADLFATGAGHVNPSAANDPGLIYDLEPDDYIPYLCGLG 645

Query: 61  YTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSL 120
           YTD E+ ++V R +KCSE SSI EAQLNYPSFS+ LG  + TY+RTVTNVG  NS Y   
Sbjct: 646 YTDEEVGLIVNRTLKCSEESSIPEAQLNYPSFSIALGPSSGTYSRTVTNVGAANSSYSVQ 705

Query: 121 IFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVR 180
           I  P GVEV V P  L+F E NQK ++ V+F RTS GG     PFAQG++KW SD HSVR
Sbjct: 706 ILAPSGVEVSVNPDKLEFTEVNQKITYMVSFSRTSAGG-EGGKPFAQGFLKWVSDSHSVR 764

Query: 181 IPLVVIFE 188
            P+ V+FE
Sbjct: 765 SPISVMFE 772




Source: Vitis vinifera

Species: Vitis vinifera

Genus: Vitis

Family: Vitaceae

Order: Vitales

Class:

Phylum: Streptophyta

Superkingdom: Eukaryota

>gi|255537183|ref|XP_002509658.1| Xylem serine proteinase 1 precursor, putative [Ricinus communis] gi|223549557|gb|EEF51045.1| Xylem serine proteinase 1 precursor, putative [Ricinus communis] Back     alignment and taxonomy information
>gi|255537189|ref|XP_002509661.1| Xylem serine proteinase 1 precursor, putative [Ricinus communis] gi|223549560|gb|EEF51048.1| Xylem serine proteinase 1 precursor, putative [Ricinus communis] Back     alignment and taxonomy information
>gi|255537203|ref|XP_002509668.1| Xylem serine proteinase 1 precursor, putative [Ricinus communis] gi|223549567|gb|EEF51055.1| Xylem serine proteinase 1 precursor, putative [Ricinus communis] Back     alignment and taxonomy information
>gi|388491338|gb|AFK33735.1| unknown [Medicago truncatula] Back     alignment and taxonomy information
>gi|3413481|emb|CAA07250.1| serine protease [Solanum lycopersicum] Back     alignment and taxonomy information
>gi|357481819|ref|XP_003611195.1| Subtilisin-like serine protease [Medicago truncatula] gi|355512530|gb|AES94153.1| Subtilisin-like serine protease [Medicago truncatula] Back     alignment and taxonomy information
>gi|225426710|ref|XP_002275471.1| PREDICTED: subtilisin-like protease SDD1-like [Vitis vinifera] Back     alignment and taxonomy information
>gi|224071646|ref|XP_002303548.1| predicted protein [Populus trichocarpa] gi|222840980|gb|EEE78527.1| predicted protein [Populus trichocarpa] Back     alignment and taxonomy information
>gi|350536267|ref|NP_001233982.1| subtilisin-like protease precursor [Solanum lycopersicum] gi|2230959|emb|CAA71234.1| subtilisin-like protease [Solanum lycopersicum] gi|4200336|emb|CAA76725.1| P69B protein [Solanum lycopersicum] 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 ?
Query188
UNIPROTKB|Q8RVC2759 OSJNBb0005J14.3 "Putative seri 0.962 0.238 0.448 4.6e-38
UNIPROTKB|Q8H047754 OJ1263H11.8 "Subtilisin N-term 0.962 0.240 0.432 3.2e-36
UNIPROTKB|Q7XPR8760 OSJNBa0065O17.13 "Os04g0559000 0.962 0.238 0.440 5.1e-35
UNIPROTKB|Q6ESH8791 P0461B08.17 "Subtilisin-like s 0.973 0.231 0.389 2.9e-32
TAIR|locus:2020245775 SDD1 "AT1G04110" [Arabidopsis 0.968 0.234 0.419 4.2e-31
TAIR|locus:2168434732 SBT4.13 "AT5G59120" [Arabidops 0.925 0.237 0.411 4.1e-29
TAIR|locus:2158187757 ARA12 [Arabidopsis thaliana (t 0.968 0.240 0.385 5.7e-29
TAIR|locus:2153291736 SBT4.12 "AT5G59090" [Arabidops 0.925 0.236 0.406 3e-28
TAIR|locus:2025457774 SBTI1.1 "AT1G01900" [Arabidops 0.984 0.239 0.380 3.4e-28
TAIR|locus:2168444732 AT5G59130 "AT5G59130" [Arabido 0.819 0.210 0.427 4.3e-28
UNIPROTKB|Q8RVC2 OSJNBb0005J14.3 "Putative serine protease" [Oryza sativa Japonica Group (taxid:39947)] Back     alignment and assigned GO terms
 Score = 415 (151.1 bits), Expect = 4.6e-38, P = 4.6e-38
 Identities = 83/185 (44%), Positives = 122/185 (65%)

Query:     1 MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLN 60
             +MTT+D V+  G PI DE+   A  +A+GAG+VNP+ A DPGLV+D+  DDYIPYLCGL 
Sbjct:   574 IMTTSDAVDRTGVPIKDEQYRHATFYAMGAGYVNPALAFDPGLVYDLHADDYIPYLCGLG 633

Query:    61 YTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLGSGAQTYTRTVTNVGQPNSLYKSL 120
               D  +  +  R V CS++ +I EA+LNYPS  + L +   T  RTVTNVG+P+S+Y ++
Sbjct:   634 IGDDGVKEIAHRPVTCSDVKTITEAELNYPSLVVNLLAQPITVNRTVTNVGKPSSVYTAV 693

Query:   121 IFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQHSVR 180
             + +P+ V V V P  L+F E  +  SF VT +   + G + ++  A+G +KW SD+H VR
Sbjct:   694 VDMPKDVSVIVQPPMLRFTELKEMQSFTVTVR---WAG-QPNVAGAEGNLKWVSDEHIVR 749

Query:   181 IPLVV 185
              P+++
Sbjct:   750 SPIII 754




GO:0004252 "serine-type endopeptidase activity" evidence=ISS
GO:0005618 "cell wall" evidence=ISS
UNIPROTKB|Q8H047 OJ1263H11.8 "Subtilisin N-terminal Region family protein, expressed" [Oryza sativa Japonica Group (taxid:39947)] Back     alignment and assigned GO terms
UNIPROTKB|Q7XPR8 OSJNBa0065O17.13 "Os04g0559000 protein" [Oryza sativa Japonica Group (taxid:39947)] Back     alignment and assigned GO terms
UNIPROTKB|Q6ESH8 P0461B08.17 "Subtilisin-like serine protease" [Oryza sativa Japonica Group (taxid:39947)] Back     alignment and assigned GO terms
TAIR|locus:2020245 SDD1 "AT1G04110" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
TAIR|locus:2168434 SBT4.13 "AT5G59120" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
TAIR|locus:2158187 ARA12 [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
TAIR|locus:2153291 SBT4.12 "AT5G59090" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
TAIR|locus:2025457 SBTI1.1 "AT1G01900" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
TAIR|locus:2168444 AT5G59130 "AT5G59130" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms

Prediction of Enzyme Commission (EC) Number

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

No confident hit for EC number transfering in SWISSPROT detected by BLAST

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 ?

Fail to connect to STRING server


Conserved Domains and Related Protein Families

Conserved Domains Detected by RPS-BLAST ?

Conserved Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query 188
PF06280112 DUF1034: Fn3-like domain (DUF1034); InterPro: IPR0 97.24
PF1063378 NPCBM_assoc: NPCBM-associated, NEW3 domain of alph 93.53
PF14874102 PapD-like: Flagellar-associated PapD-like 90.93
PF11614118 FixG_C: IG-like fold at C-terminal of FixG, putati 87.66
smart0063581 BID_2 Bacterial Ig-like domain 2. 84.1
PF00345122 PapD_N: Pili and flagellar-assembly chaperone, Pap 81.81
>PF06280 DUF1034: Fn3-like domain (DUF1034); InterPro: IPR010435 In the MEROPS database peptidases and peptidase homologues are grouped into clans and families Back     alignment and domain information
Probab=97.24  E-value=0.008  Score=44.80  Aligned_cols=87  Identities=24%  Similarity=0.397  Sum_probs=54.3

Q ss_pred             EeecCccEEEEEEEEeecCCCceEEEEEEC--------CCCe-----------EEEEEcCEEEEeeCCeEEEEEEEEE-e
Q 039166           94 LTLGSGAQTYTRTVTNVGQPNSLYKSLIFV--------PQGV-----------EVEVTPSTLQFNEANQKASFAVTFK-R  153 (188)
Q Consensus        94 v~~~~~~~tv~RTVTNVg~~~~tY~a~v~~--------p~gv-----------~V~V~P~~l~f~~~ge~~sf~Vt~~-~  153 (188)
                      +.......+++=+++|.|+..-+|+++...        ..|.           .+...|..++..+ ||++.++|+|+ .
T Consensus         3 L~d~~~~~~~~itl~N~~~~~~ty~~~~~~~~t~~~~~~~~~~~~~~~~~~~~~~~~~~~~vTV~a-g~s~~v~vti~~p   81 (112)
T PF06280_consen    3 LKDTGNKFSFTITLHNYGDKPVTYTLSHVPVLTDKTDTEEGYSILVPPVPSISTVSFSPDTVTVPA-GQSKTVTVTITPP   81 (112)
T ss_dssp             EEEE-SEEEEEEEEEE-SSS-EEEEEEEE-EEEEEE--ETTEEEEEEEE----EEE---EEEEE-T-TEEEEEEEEEE--
T ss_pred             ccccCCceEEEEEEEECCCCCEEEEEeeEEEEeeEeeccCCcccccccccceeeEEeCCCeEEECC-CCEEEEEEEEEeh
Confidence            333444567777888888888888776541        1121           6778888999977 99999999999 4


Q ss_pred             ccCCCCCCCCCeEEEEEEEEc-CCc-eEEeeE
Q 039166          154 TSYGGNRQDMPFAQGYIKWSS-DQH-SVRIPL  183 (188)
Q Consensus       154 ~~~~~~~~~~~~~fG~l~Wsd-~~h-~VrsPi  183 (188)
                      .....  ....+..|.|.+++ ..+ .++.|.
T Consensus        82 ~~~~~--~~~~~~eG~I~~~~~~~~~~lsIPy  111 (112)
T PF06280_consen   82 SGLDA--SNGPFYEGFITFKSSDGEPDLSIPY  111 (112)
T ss_dssp             GGGHH--TT-EEEEEEEEEESSTTSEEEEEEE
T ss_pred             hcCCc--ccCCEEEEEEEEEcCCCCEEEEeee
Confidence            31100  13578999999995 344 788885



Clans are groups of families for which there is evidence of common ancestry based on a common structural fold: Each clan is identified with two letters, the first representing the catalytic type of the families included in the clan (with the letter 'P' being used for a clan containing families of more than one of the catalytic types serine, threonine and cysteine). Some families cannot yet be assigned to clans, and when a formal assignment is required, such a family is described as belonging to clan A-, C-, M-, N-, S-, T- or U-, according to the catalytic type. Some clans are divided into subclans because there is evidence of a very ancient divergence within the clan, for example MA(E), the gluzincins, and MA(M), the metzincins. Peptidase families are grouped by their catalytic type, the first character representing the catalytic type: A, aspartic; C, cysteine; G, glutamic acid; M, metallo; N, asparagine; S, serine; T, threonine; and U, unknown. The serine, threonine and cysteine peptidases utilise the amino acid as a nucleophile and form an acyl intermediate - these peptidases can also readily act as transferases. In the case of aspartic, glutamic and metallopeptidases, the nucleophile is an activated water molecule. In the case of the asparagine endopeptidases, the nucleophile is asparagine and all are self-processing endopeptidases. In many instances the structural protein fold that characterises the clan or family may have lost its catalytic activity, yet retain its function in protein recognition and binding. Proteolytic enzymes that exploit serine in their catalytic activity are ubiquitous, being found in viruses, bacteria and eukaryotes []. They include a wide range of peptidase activity, including exopeptidase, endopeptidase, oligopeptidase and omega-peptidase activity. Over 20 families (denoted S1 - S66) of serine protease have been identified, these being grouped into clans on the basis of structural similarity and other functional evidence []. Structures are known for members of the clans and the structures indicate that some appear to be totally unrelated, suggesting different evolutionary origins for the serine peptidases []. Not withstanding their different evolutionary origins, there are similarities in the reaction mechanisms of several peptidases. Chymotrypsin, subtilisin and carboxypeptidase C have a catalytic triad of serine, aspartate and histidine in common: serine acts as a nucleophile, aspartate as an electrophile, and histidine as a base []. The geometric orientations of the catalytic residues are similar between families, despite different protein folds []. The linear arrangements of the catalytic residues commonly reflect clan relationships. For example the catalytic triad in the chymotrypsin clan (PA) is ordered HDS, but is ordered DHS in the subtilisin clan (SB) and SDH in the carboxypeptidase clan (SC) [, ]. This domain of unknown function is present in bacterial and plant peptidases belonging to MEROPS peptidase family S8 (subfamily S8A subtilisin, clan SB). It is C-terminal to and adjacent to the S8 peptidase domain and can be found in conjunction with the PA (Protease associated) domain (IPR003137 from INTERPRO) and additionally in Gram-positive bacteria with the surface protein anchor domain (IPR001899 from INTERPRO).; GO: 0004252 serine-type endopeptidase activity, 0005618 cell wall, 0016020 membrane; PDB: 3EIF_A 1XF1_B.

>PF10633 NPCBM_assoc: NPCBM-associated, NEW3 domain of alpha-galactosidase; InterPro: IPR018905 This domain has been named NEW3, but its function is not known Back     alignment and domain information
>PF14874 PapD-like: Flagellar-associated PapD-like Back     alignment and domain information
>PF11614 FixG_C: IG-like fold at C-terminal of FixG, putative oxidoreductase; PDB: 2R39_A Back     alignment and domain information
>smart00635 BID_2 Bacterial Ig-like domain 2 Back     alignment and domain information
>PF00345 PapD_N: Pili and flagellar-assembly chaperone, PapD N-terminal domain; InterPro: IPR016147 Most Gram-negative bacteria possess a supramolecular structure - the pili - on their surface, which mediates attachment to specific receptors Back     alignment and domain information

Homologous Structure Templates

Structure Templates Detected by BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query188
3i6s_A649 Crystal Structure Of The Plant Subtilisin-Like Prot 2e-25
3vta_A621 Crystal Structure Of Cucumisin, A Subtilisin-Like E 6e-23
>pdb|3I6S|A Chain A, Crystal Structure Of The Plant Subtilisin-Like Protease Sbt3 Length = 649 Back     alignment and structure

Iteration: 1

Score = 112 bits (279), Expect = 2e-25, Method: Compositional matrix adjust. Identities = 72/195 (36%), Positives = 103/195 (52%), Gaps = 19/195 (9%) Query: 1 MMTTTDIVNLEGKPIID-ERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGL 59 MMTT D ++ KPI D + A +GAGHV+P+RA DPGLV+D P DY+ LC L Sbjct: 455 MMTTADPLDNTRKPIKDSDNNKAATPLDMGAGHVDPNRALDPGLVYDATPQDYVNLLCSL 514 Query: 60 NYTDREIAILVQRKVKCSEISSIKEAQLNYPSF--------SLTLGSGAQTYTRTVTNVG 111 N+T+ + + + S S A LNYPSF + TL Q + RTVTNVG Sbjct: 515 NFTEEQFKTIA--RSSASHNCSNPSADLNYPSFIALYSIEGNFTLLE--QKFKRTVTNVG 570 Query: 112 QPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIK 171 + + YK+ + P+ + V+P L F N+K S+ +T + G +++ G I Sbjct: 571 KGAATYKAKLKAPKNSTISVSPQILVFKNKNEKQSYTLTIRYIGDEGQSRNV----GSIT 626 Query: 172 W--SSDQHSVRIPLV 184 W + HSVR P+V Sbjct: 627 WVEQNGNHSVRSPIV 641
>pdb|3VTA|A Chain A, Crystal Structure Of Cucumisin, A Subtilisin-Like Endoprotease From Cucumis Melo L Length = 621 Back     alignment and structure

Structure Templates Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query188
3vta_A621 Cucumisin; subtilisin-like fold, serine protease, 4e-59
3i6s_A649 Subtilisin-like protease; PA-domain, FN3-domain, h 4e-59
1xf1_A 926 C5A peptidase, SCP; hydrolase; HET: CIT; 1.90A {St 5e-19
>3vta_A Cucumisin; subtilisin-like fold, serine protease, hydrolase; HET: DFP NAG FUC BMA MAN; 2.75A {Cucumis melo} Length = 621 Back     alignment and structure
 Score =  193 bits (492), Expect = 4e-59
 Identities = 59/188 (31%), Positives = 93/188 (49%), Gaps = 17/188 (9%)

Query: 1   MMTTTDIVNLEGKPIIDERLLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLN 60
           +MTT   +N    P  +        FA G+GHVNP +A  PGLV+D    DY+ +LCG  
Sbjct: 444 LMTTASPMNARFNPQAE--------FAYGSGHVNPLKAVRPGLVYDANESDYVKFLCGQG 495

Query: 61  YTDREIAILVQRKVKCSEISSIKEAQLNYPSFSLTLG---SGAQTYTRTVTNVGQPNSLY 117
           Y  + +  +      C+  ++ +   LNYPSF L++    +  Q + RT+T+V    S Y
Sbjct: 496 YNTQAVRRITGDYSACTSGNTGRVWDLNYPSFGLSVSPSQTFNQYFNRTLTSVAPQASTY 555

Query: 118 KSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFKRTSYGGNRQDMPFAQGYIKWSSDQH 177
           +++I  PQG+ + V P+ L FN    + SF +T + +  G            + WS   H
Sbjct: 556 RAMISAPQGLTISVNPNVLSFNGLGDRKSFTLTVRGSIKGF------VVSASLVWSDGVH 609

Query: 178 SVRIPLVV 185
            VR P+ +
Sbjct: 610 YVRSPITI 617


>3i6s_A Subtilisin-like protease; PA-domain, FN3-domain, hydrolase; HET: NAG FUC; 2.50A {Solanum lycopersicum} PDB: 3i74_A* Length = 649 Back     alignment and structure
>1xf1_A C5A peptidase, SCP; hydrolase; HET: CIT; 1.90A {Streptococcus pyogenes} PDB: 3eif_A* Length = 926 Back     alignment and structure

Structure Templates Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query188
3i6s_A649 Subtilisin-like protease; PA-domain, FN3-domain, h 100.0
3vta_A621 Cucumisin; subtilisin-like fold, serine protease, 100.0
1xf1_A 926 C5A peptidase, SCP; hydrolase; HET: CIT; 1.90A {St 99.81
3lxu_X 1354 Tripeptidyl-peptidase 2; spindle complex, aminopep 97.05
2ys4_A122 Hydrocephalus-inducing protein homolog; hydin, PAP 93.43
>3i6s_A Subtilisin-like protease; PA-domain, FN3-domain, hydrolase; HET: NAG FUC; 2.50A {Solanum lycopersicum} PDB: 3i74_A* Back     alignment and structure
Probab=100.00  E-value=1.8e-56  Score=421.59  Aligned_cols=179  Identities=39%  Similarity=0.659  Sum_probs=161.9

Q ss_pred             CeeeeeeccCCCCccccCC-CCCCCccccCccccCCCCCCCCCeeecCCccchhhhcccCCCCcceeEEeecccce--ec
Q 039166            1 MMTTTDIVNLEGKPIIDER-LLPADIFAIGAGHVNPSRANDPGLVFDIQPDDYIPYLCGLNYTDREIAILVQRKVK--CS   77 (188)
Q Consensus         1 lMTTA~~~d~~~~~i~~~~-~~~atpFd~GAG~vnp~~A~dPGLVyD~~~~DY~~fLC~~gy~~~~i~~it~~~~~--C~   77 (188)
                      |||||+.+|+.+++|+++. ..+++||+||+|||||.+|+|||||||++++||++|||++||+.++|+.|++++++  |+
T Consensus       455 LmtTA~~~~~~g~~i~~~~~~~~a~~~~~GaG~vn~~~A~~pGLvyd~~~~dy~~flc~~~y~~~~i~~~~~~~~~~~C~  534 (649)
T 3i6s_A          455 MMTTADPLDNTRKPIKDSDNNKAATPLDMGAGHVDPNRALDPGLVYDATPQDYVNLLCSLNFTEEQFKTIARSSASHNCS  534 (649)
T ss_dssp             HHHTCBCBCTTSSBCEETTTSSBCCHHHHTTCBCCHHHHTCCSEECCCCHHHHHHHHHTTCCCHHHHHHHHTTTSCC-CC
T ss_pred             HhcccccccCCCCcccccccCCcCCcCCCCeeeeCHHHhcCccccccCCchhHHHhhhcCCCCcccceeeecCCCcCCCC
Confidence            7999999999999999874 67999999999999999999999999999999999999999999999999998887  97


Q ss_pred             cCCccCccccCccceEEee-cCcc-----EEEEEEEEeecCCCceEEEEEECCCCeEEEEEcCEEEEeeCCeEEEEEEEE
Q 039166           78 EISSIKEAQLNYPSFSLTL-GSGA-----QTYTRTVTNVGQPNSLYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTF  151 (188)
Q Consensus        78 ~~~~~~~~dLNyPSi~v~~-~~~~-----~tv~RTVTNVg~~~~tY~a~v~~p~gv~V~V~P~~l~f~~~ge~~sf~Vt~  151 (188)
                      .    .+.|||||||++++ +.+.     ++|+|||||||+.+++|+|+|+.|+|++|+|+|++|+|++.|||++|+|+|
T Consensus       535 ~----~~~~lNyPs~~~~~~~~~~~~~~~~~~~Rtvtnvg~~~~~y~~~v~~p~g~~v~v~P~~l~f~~~~~~~~f~v~~  610 (649)
T 3i6s_A          535 N----PSADLNYPSFIALYSIEGNFTLLEQKFKRTVTNVGKGAATYKAKLKAPKNSTISVSPQILVFKNKNEKQSYTLTI  610 (649)
T ss_dssp             C----CCCCCCCSSEEEEECCSSCCCCEEEEEEEEEEECC--CEEEEEEEECCTTEEEEEESSEEEECC-CCEEEEEEEE
T ss_pred             C----chhhcCCCcEEeecccCCCCccceEEEEEEEEEeCCCCcEEEEEEecCCCCEEEEECCEEEEecCCCEEEEEEEE
Confidence            5    46799999999998 6666     899999999999999999999999999999999999999889999999999


Q ss_pred             E-eccCCCCCCCCCeEEEEEEEEc--CCceEEeeEEEEeC
Q 039166          152 K-RTSYGGNRQDMPFAQGYIKWSS--DQHSVRIPLVVIFE  188 (188)
Q Consensus       152 ~-~~~~~~~~~~~~~~fG~l~Wsd--~~h~VrsPi~v~~~  188 (188)
                      + ....     .+.|.||+|+|+|  ++|.|||||+|++.
T Consensus       611 ~~~~~~-----~~~~~fg~l~w~~~~~~h~vrsPi~v~~~  645 (649)
T 3i6s_A          611 RYIGDE-----GQSRNVGSITWVEQNGNHSVRSPIVTSPI  645 (649)
T ss_dssp             EECCC--------CCCEEEEEEEETTSCCEEEEEEEEEEC
T ss_pred             EecccC-----CCceEEEEEEEEcCCCCeEEEEeEEEEEc
Confidence            9 4332     4578999999998  99999999999873



>3vta_A Cucumisin; subtilisin-like fold, serine protease, hydrolase; HET: DFP NAG FUC BMA MAN; 2.75A {Cucumis melo} Back     alignment and structure
>1xf1_A C5A peptidase, SCP; hydrolase; HET: CIT; 1.90A {Streptococcus pyogenes} PDB: 3eif_A* Back     alignment and structure
>3lxu_X Tripeptidyl-peptidase 2; spindle complex, aminopeptidase, hydrolase, phosphoprotein, protease; 3.14A {Drosophila melanogaster} Back     alignment and structure
>2ys4_A Hydrocephalus-inducing protein homolog; hydin, PAPD-like, NPPSFA, national project on protein structural and functional analyses; NMR {Homo sapiens} Back     alignment and structure

Homologous Structure Domains

Structure Domains Detected by RPS-BLAST ?

No hit with e-value below 0.005

Homologous Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query188
d1w8oa1103 Sialidase, "linker" domain {Micromonospora viridif 94.71
>d1w8oa1 b.1.18.2 (A:403-505) Sialidase, "linker" domain {Micromonospora viridifaciens [TaxId: 1881]} Back     information, alignment and structure
class: All beta proteins
fold: Immunoglobulin-like beta-sandwich
superfamily: E set domains
family: E-set domains of sugar-utilizing enzymes
domain: Sialidase, "linker" domain
species: Micromonospora viridifaciens [TaxId: 1881]
Probab=94.71  E-value=0.24  Score=33.98  Aligned_cols=84  Identities=13%  Similarity=0.014  Sum_probs=55.5

Q ss_pred             cCccceEEeecCccEEEEEEEEeecCCCc-eEEEEEECCCCeEEEEEcCEEEEeeCCeEEEEEEEEE-eccCCCCCCCCC
Q 039166           87 LNYPSFSLTLGSGAQTYTRTVTNVGQPNS-LYKSLIFVPQGVEVEVTPSTLQFNEANQKASFAVTFK-RTSYGGNRQDMP  164 (188)
Q Consensus        87 LNyPSi~v~~~~~~~tv~RTVTNVg~~~~-tY~a~v~~p~gv~V~V~P~~l~f~~~ge~~sf~Vt~~-~~~~~~~~~~~~  164 (188)
                      |.-|++++.- ....+++=+|+|-|.... .-++.+..|+|-.++.  ....+.+ ||+++++++++ ....    ..+.
T Consensus         6 ~t~p~~~v~p-G~~~~~~vtVtN~g~~~~~~~~~~~~~P~GW~v~~--~~~~L~p-G~s~~~~~~Vt~p~~a----~~G~   77 (103)
T d1w8oa1           6 FTIPDVALEP-GQQVTVPVAVTNQSGIAVPKPSLQLDASPDWQVQG--SVEPLMP-GRQAKGQVTITVPAGT----TPGR   77 (103)
T ss_dssp             EECCCEEECT-TCEEEEEEEEECCSSSCBSSCEEEEECCTTSEEEE--EECCBCT-TCEEEEEEEEECCTTC----CCEE
T ss_pred             ccCcceeeCC-CCeEEEEEEEEeCCCCceeeeeEEEcCCCCccccC--cceeeCC-CCcEEEEEEEECCCCC----CCce
Confidence            4456665532 346789999999997654 3567788999998754  4455665 99999999999 4332    2445


Q ss_pred             eEEEEEEEEcCCceE
Q 039166          165 FAQGYIKWSSDQHSV  179 (188)
Q Consensus       165 ~~fG~l~Wsd~~h~V  179 (188)
                      |.. .++.+++.+..
T Consensus        78 Y~i-~~~a~~~~~~~   91 (103)
T d1w8oa1          78 YRV-GATLRTSAGNA   91 (103)
T ss_dssp             EEE-EEEEEETTEEE
T ss_pred             EEE-EEEEEeCCcce
Confidence            544 34555444433