Psyllid ID: psy15325


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 (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--
FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQDDRGNHNN
cHHHHHHHHHHHHHHHHHHHHHHHHHHHHHcccccHHHHHHHHHcccccccHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHccccc
HHHHHHHHHHHHHHHHHHHcccccHHHHHHcccccHHHHHHHHHccccHHccHHHccccHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHccccc
FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLdtgnpavftqgQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENqddrgnhnn
fllywreynrtqtdyrerckgriqrqleitgrtttNEELEAMLDTGNPAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVenqddrgnhnn
FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQDDRGNHNN
*LLYWREYNRTQTDYRERCKGRIQRQLEIT*****************PAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAML************
FLLYWREYNRTQTDYRE*CKGRIQRQLEITG***T*EE*E*MLDT*********QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQDD******
FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ********
FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQDDRGN***
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
ooooooooooooooooooooooooooooooooooooooooooooooooooooohhhhhhhhhhhhhhhhhhhiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
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FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQGQAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQDDRGNHNN
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 ?
Query102 2.2.26 [Sep-21-2011]
Q24547291 Syntaxin-1A OS=Drosophila yes N/A 0.921 0.323 0.75 3e-37
P32850288 Syntaxin-1A OS=Bos taurus yes N/A 0.921 0.326 0.71 2e-36
Q16623288 Syntaxin-1A OS=Homo sapie yes N/A 0.990 0.350 0.672 2e-36
P32851288 Syntaxin-1A OS=Rattus nor yes N/A 0.921 0.326 0.71 3e-36
Q5R4L2288 Syntaxin-1A OS=Pongo abel yes N/A 0.990 0.350 0.672 3e-36
O35526288 Syntaxin-1A OS=Mus muscul yes N/A 0.990 0.350 0.663 1e-35
O16000291 Syntaxin-1A homolog OS=Ca yes N/A 0.921 0.323 0.7 1e-35
Q16932290 Syntaxin OS=Aplysia calif N/A N/A 0.921 0.324 0.7 2e-35
A8WVD0293 Syntaxin-1A OS=Caenorhabd N/A N/A 0.921 0.320 0.7 2e-35
Q13277289 Syntaxin-3 OS=Homo sapien no N/A 0.921 0.325 0.636 2e-32
>sp|Q24547|STX1A_DROME Syntaxin-1A OS=Drosophila melanogaster GN=Syx1A PE=1 SV=1 Back     alignment and function desciption
 Score =  153 bits (386), Expect = 3e-37,   Method: Compositional matrix adjust.
 Identities = 75/100 (75%), Positives = 83/100 (83%), Gaps = 6/100 (6%)

Query: 1   FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQG------ 54
           F+    EYNRTQTDYRERCKGRIQRQLEITGR T ++ELE ML+ GN +VFTQG      
Sbjct: 130 FVEVMTEYNRTQTDYRERCKGRIQRQLEITGRPTNDDELEKMLEEGNSSVFTQGIIMETQ 189

Query: 55  QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ 94
           QAKQTLADIEARH DI+KLE SI+ELHDMFMDMAMLVE+Q
Sbjct: 190 QAKQTLADIEARHQDIMKLETSIKELHDMFMDMAMLVESQ 229




Plays a critical role in several secretory processes, including cuticle secretion and neurotransmitter release, and probably assists in neuronal membrane maturation or the final stages of neuronal differentiation. Essential for embryonic viability and development. Required for coordinated peristaltic contractions.
Drosophila melanogaster (taxid: 7227)
>sp|P32850|STX1A_BOVIN Syntaxin-1A OS=Bos taurus GN=STX1A PE=1 SV=1 Back     alignment and function description
>sp|Q16623|STX1A_HUMAN Syntaxin-1A OS=Homo sapiens GN=STX1A PE=1 SV=1 Back     alignment and function description
>sp|P32851|STX1A_RAT Syntaxin-1A OS=Rattus norvegicus GN=Stx1a PE=1 SV=1 Back     alignment and function description
>sp|Q5R4L2|STX1A_PONAB Syntaxin-1A OS=Pongo abelii GN=STX1A PE=2 SV=1 Back     alignment and function description
>sp|O35526|STX1A_MOUSE Syntaxin-1A OS=Mus musculus GN=Stx1a PE=1 SV=3 Back     alignment and function description
>sp|O16000|STX1A_CAEEL Syntaxin-1A homolog OS=Caenorhabditis elegans GN=unc-64 PE=1 SV=1 Back     alignment and function description
>sp|Q16932|STX_APLCA Syntaxin OS=Aplysia californica PE=2 SV=1 Back     alignment and function description
>sp|A8WVD0|STX1A_CAEBR Syntaxin-1A OS=Caenorhabditis briggsae GN=unc-64 PE=3 SV=1 Back     alignment and function description
>sp|Q13277|STX3_HUMAN Syntaxin-3 OS=Homo sapiens GN=STX3 PE=1 SV=3 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 ?
Query102
383847265 294 PREDICTED: syntaxin-1A-like [Megachile r 0.921 0.319 0.86 5e-42
340720485 293 PREDICTED: syntaxin-1A-like isoform 1 [B 0.921 0.320 0.85 2e-41
332023695191 Syntaxin [Acromyrmex echinatior] 0.921 0.492 0.85 2e-41
345487373 297 PREDICTED: syntaxin-1A-like [Nasonia vit 0.921 0.316 0.85 2e-41
321456935 294 syntaxin [Daphnia pulex] 0.921 0.319 0.84 3e-41
241896912 301 syntaxin 1A isoform 2 [Acyrthosiphon pis 0.921 0.312 0.84 6e-41
239793593 264 ACYPI005967 [Acyrthosiphon pisum] 0.921 0.356 0.84 6e-41
241896910 301 syntaxin 1A isoform 1 [Acyrthosiphon pis 0.921 0.312 0.84 6e-41
328791302 465 PREDICTED: syntaxin-1A [Apis mellifera] 0.921 0.202 0.85 8e-41
380018639 439 PREDICTED: syntaxin-1A-like [Apis florea 0.921 0.214 0.85 8e-41
>gi|383847265|ref|XP_003699275.1| PREDICTED: syntaxin-1A-like [Megachile rotundata] Back     alignment and taxonomy information
 Score =  174 bits (441), Expect = 5e-42,   Method: Compositional matrix adjust.
 Identities = 86/100 (86%), Positives = 88/100 (88%), Gaps = 6/100 (6%)

Query: 1   FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQG------ 54
           F+    EYNRTQTDYRERCKGRIQRQLEITGRTTTNEELE ML+ GNPAVFTQG      
Sbjct: 131 FVEVMTEYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEEMLEQGNPAVFTQGIIMETQ 190

Query: 55  QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ 94
           QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ
Sbjct: 191 QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ 230




Source: Megachile rotundata

Species: Megachile rotundata

Genus: Megachile

Family: Megachilidae

Order: Hymenoptera

Class: Insecta

Phylum: Arthropoda

Superkingdom: Eukaryota

>gi|340720485|ref|XP_003398667.1| PREDICTED: syntaxin-1A-like isoform 1 [Bombus terrestris] Back     alignment and taxonomy information
>gi|332023695|gb|EGI63919.1| Syntaxin [Acromyrmex echinatior] Back     alignment and taxonomy information
>gi|345487373|ref|XP_001604855.2| PREDICTED: syntaxin-1A-like [Nasonia vitripennis] Back     alignment and taxonomy information
>gi|321456935|gb|EFX68032.1| syntaxin [Daphnia pulex] Back     alignment and taxonomy information
>gi|241896912|ref|NP_001155923.1| syntaxin 1A isoform 2 [Acyrthosiphon pisum] Back     alignment and taxonomy information
>gi|239793593|dbj|BAH72906.1| ACYPI005967 [Acyrthosiphon pisum] Back     alignment and taxonomy information
>gi|241896910|ref|NP_001155922.1| syntaxin 1A isoform 1 [Acyrthosiphon pisum] Back     alignment and taxonomy information
>gi|328791302|ref|XP_393760.4| PREDICTED: syntaxin-1A [Apis mellifera] Back     alignment and taxonomy information
>gi|380018639|ref|XP_003693234.1| PREDICTED: syntaxin-1A-like [Apis florea] 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 ?
Query102
FB|FBgn0013343291 Syx1A "Syntaxin 1A" [Drosophil 0.941 0.329 0.735 1.2e-33
UNIPROTKB|F1N861288 LOC100857565 "Uncharacterized 0.941 0.333 0.705 1.8e-32
UNIPROTKB|A8MZ54280 STX1A "Syntaxin-1A" [Homo sapi 0.960 0.35 0.692 1.8e-32
UNIPROTKB|A4FV26322 STX1A "Syntaxin-1A" [Bos tauru 0.941 0.298 0.696 2.3e-32
UNIPROTKB|P32850288 STX1A "Syntaxin-1A" [Bos tauru 0.941 0.333 0.696 2.3e-32
UNIPROTKB|F1PVP1288 STX1A "Uncharacterized protein 0.941 0.333 0.696 2.3e-32
UNIPROTKB|Q16623288 STX1A "Syntaxin-1A" [Homo sapi 0.941 0.333 0.696 2.3e-32
UNIPROTKB|F1RJM9288 STX1A "Uncharacterized protein 0.941 0.333 0.696 2.3e-32
UNIPROTKB|Q5R4L2288 STX1A "Syntaxin-1A" [Pongo abe 0.941 0.333 0.696 2.3e-32
RGD|69430288 Stx1a "syntaxin 1A (brain)" [R 0.941 0.333 0.696 2.3e-32
FB|FBgn0013343 Syx1A "Syntaxin 1A" [Drosophila melanogaster (taxid:7227)] Back     alignment and assigned GO terms
 Score = 366 (133.9 bits), Expect = 1.2e-33, P = 1.2e-33
 Identities = 75/102 (73%), Positives = 84/102 (82%)

Query:     1 FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQG------ 54
             F+    EYNRTQTDYRERCKGRIQRQLEITGR T ++ELE ML+ GN +VFTQG      
Sbjct:   130 FVEVMTEYNRTQTDYRERCKGRIQRQLEITGRPTNDDELEKMLEEGNSSVFTQGIIMETQ 189

Query:    55 QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQDD 96
             QAKQTLADIEARH DI+KLE SI+ELHDMFMDMAMLVE+Q +
Sbjct:   190 QAKQTLADIEARHQDIMKLETSIKELHDMFMDMAMLVESQGE 231




GO:0006887 "exocytosis" evidence=NAS
GO:0007268 "synaptic transmission" evidence=NAS
GO:0008021 "synaptic vesicle" evidence=IDA
GO:0007269 "neurotransmitter secretion" evidence=NAS;IMP
GO:0005484 "SNAP receptor activity" evidence=ISS;NAS
GO:0005886 "plasma membrane" evidence=ISS;IDA;NAS
GO:0006936 "muscle contraction" evidence=NAS
GO:0016020 "membrane" evidence=NAS
GO:0042335 "cuticle development" evidence=NAS
GO:0007317 "regulation of pole plasm oskar mRNA localization" evidence=IMP
GO:0016192 "vesicle-mediated transport" evidence=NAS
GO:0016081 "synaptic vesicle docking involved in exocytosis" evidence=ISS
GO:0007349 "cellularization" evidence=NAS;TAS
GO:0016021 "integral to membrane" evidence=ISS
GO:0000910 "cytokinesis" evidence=IMP
GO:0006886 "intracellular protein transport" evidence=IEA
GO:0007482 "haltere development" evidence=IGI
GO:0031629 "synaptic vesicle fusion to presynaptic membrane" evidence=IMP
UNIPROTKB|F1N861 LOC100857565 "Uncharacterized protein" [Gallus gallus (taxid:9031)] Back     alignment and assigned GO terms
UNIPROTKB|A8MZ54 STX1A "Syntaxin-1A" [Homo sapiens (taxid:9606)] Back     alignment and assigned GO terms
UNIPROTKB|A4FV26 STX1A "Syntaxin-1A" [Bos taurus (taxid:9913)] Back     alignment and assigned GO terms
UNIPROTKB|P32850 STX1A "Syntaxin-1A" [Bos taurus (taxid:9913)] Back     alignment and assigned GO terms
UNIPROTKB|F1PVP1 STX1A "Uncharacterized protein" [Canis lupus familiaris (taxid:9615)] Back     alignment and assigned GO terms
UNIPROTKB|Q16623 STX1A "Syntaxin-1A" [Homo sapiens (taxid:9606)] Back     alignment and assigned GO terms
UNIPROTKB|F1RJM9 STX1A "Uncharacterized protein" [Sus scrofa (taxid:9823)] Back     alignment and assigned GO terms
UNIPROTKB|Q5R4L2 STX1A "Syntaxin-1A" [Pongo abelii (taxid:9601)] Back     alignment and assigned GO terms
RGD|69430 Stx1a "syntaxin 1A (brain)" [Rattus norvegicus (taxid:10116)] 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) ?
Q5R4L2STX1A_PONABNo assigned EC number0.67270.99010.3506yesN/A
P32850STX1A_BOVINNo assigned EC number0.710.92150.3263yesN/A
Q24547STX1A_DROMENo assigned EC number0.750.92150.3230yesN/A
O16000STX1A_CAEELNo assigned EC number0.70.92150.3230yesN/A
P32851STX1A_RATNo assigned EC number0.710.92150.3263yesN/A
Q16623STX1A_HUMANNo assigned EC number0.67270.99010.3506yesN/A
O35526STX1A_MOUSENo assigned EC number0.66360.99010.3506yesN/A

EC Number Prediction by EFICAz Software ?

No EC number assignment, probably not an enzyme!


Prediction of Functionally Associated Proteins


Conserved Domains and Related Protein Families

Conserved Domains Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query102
cd00179151 cd00179, SynN, Syntaxin N-terminus domain; syntaxi 4e-16
COG5074280 COG5074, COG5074, t-SNARE complex subunit, syntaxi 1e-11
smart0039766 smart00397, t_SNARE, Helical region found in SNARE 1e-05
pfam0573962 pfam05739, SNARE, SNARE domain 3e-05
cd0019360 cd00193, t_SNARE, Soluble NSF (N-ethylmaleimide-se 3e-04
>gnl|CDD|238105 cd00179, SynN, Syntaxin N-terminus domain; syntaxins are nervous system-specific proteins implicated in the docking of synaptic vesicles with the presynaptic plasma membrane; they are a family of receptors for intracellular transport vesicles; each target membrane may be identified by a specific member of the syntaxin family; syntaxins contain a moderately well conserved amino-terminal domain, called Habc, whose structure is an antiparallel three-helix bundle; a linker of about 30 amino acids connects this to the carboxy-terminal region, designated H3 (t_SNARE), of the syntaxin cytoplasmic domain; the highly conserved H3 region forms a single, long alpha-helix when it is part of the core SNARE complex and anchors the protein on the cytoplasmic surface of cellular membranes; H3 is not included in defining this domain Back     alignment and domain information
 Score = 68.5 bits (168), Expect = 4e-16
 Identities = 29/48 (60%), Positives = 35/48 (72%)

Query: 7   EYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQG 54
           E+N+ Q  YRER K RIQRQLEITG   T+EELE ML++GN  +FT  
Sbjct: 103 EFNKAQRKYRERYKERIQRQLEITGGEATDEELEDMLESGNSEIFTSQ 150


Length = 151

>gnl|CDD|227406 COG5074, COG5074, t-SNARE complex subunit, syntaxin [Intracellular trafficking and secretion] Back     alignment and domain information
>gnl|CDD|197699 smart00397, t_SNARE, Helical region found in SNAREs Back     alignment and domain information
>gnl|CDD|203323 pfam05739, SNARE, SNARE domain Back     alignment and domain information
>gnl|CDD|238115 cd00193, t_SNARE, Soluble NSF (N-ethylmaleimide-sensitive fusion protein)-Attachment protein (SNAP) REceptor domain; these alpha-helical motifs form twisted and parallel heterotetrameric helix bundles; the core complex contains one helix from a protein that is anchored in the vesicle membrane (synaptobrevin), one helix from a protein of the target membrane (syntaxin), and two helices from another protein anchored in the target membrane (SNAP-25); their interaction forms a core which is composed of a polar zero layer, a flanking leucine-zipper layer acts as a water tight shield to isolate ionic interactions in the zero layer from the surrounding solvent Back     alignment and domain information

Conserved Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query 102
KOG0810|consensus297 99.98
COG5074280 t-SNARE complex subunit, syntaxin [Intracellular t 99.93
KOG0809|consensus305 99.46
cd00179151 SynN Syntaxin N-terminus domain; syntaxins are ner 99.42
KOG0811|consensus269 99.39
COG5325283 t-SNARE complex subunit, syntaxin [Intracellular t 99.05
cd0019360 t_SNARE Soluble NSF (N-ethylmaleimide-sensitive fu 99.05
PF0573963 SNARE: SNARE domain; InterPro: IPR000727 The proce 98.94
smart0039766 t_SNARE Helical region found in SNAREs. All alpha- 98.9
KOG0812|consensus311 98.42
PF0916468 VitD-bind_III: Vitamin D binding protein, domain I 89.99
>KOG0810|consensus Back     alignment and domain information
Probab=99.98  E-value=7.7e-32  Score=202.03  Aligned_cols=101  Identities=55%  Similarity=0.792  Sum_probs=97.9

Q ss_pred             CHHHHHHHHHHHHHHHHHHHHHHHHHHHHhcC-CCCHHHHHHHHhCCCcchhhhh------HHHHHHHHHHHHHHHHHHH
Q psy15325          1 FLLYWREYNRTQTDYRERCKGRIQRQLEITGR-TTTNEELEAMLDTGNPAVFTQG------QAKQTLADIEARHADIIKL   73 (102)
Q Consensus         1 F~~~~~~f~~~Q~~y~~~~k~~~~rq~~i~~~-~~tdeei~~~i~~~~~~~f~~~------~~~~~l~~i~~R~~eI~~l   73 (102)
                      |.++|..|+..|..|+++||.+++|||.+++| .++|++|+.++++|++++|+++      +++++|+++++||.+|++|
T Consensus       132 f~~~M~~f~~~~~~~r~~~k~~i~Rql~i~~~~~~~de~ie~~ie~g~~~~f~~~~i~~~~~~~~~l~Eiq~Rh~~ik~L  211 (297)
T KOG0810|consen  132 LKELMNEFNRTQSKYREEYKERIQRQLFIVGGEETTDEEIEEMIESGGSEVFTQKAIQDRGQAKQTLAEIQERHDEIKKL  211 (297)
T ss_pred             HHHHHHHHHHHHHHHHHHHHHHHHHHHhhhCCCcCChHHHHHHHHCCChHHHHHHHHHHhhhhHHHHHHHHHHHHHHHHH
Confidence            78999999999999999999999999999999 8999999999999999999877      7899999999999999999


Q ss_pred             HHhHHHHHHHHHHHHHHHHHhhhhhhcC
Q psy15325         74 ENSIRELHDMFMDMAMLVENQDDRGNHN  101 (102)
Q Consensus        74 E~si~eL~qlF~Dla~LV~~QGe~id~~  101 (102)
                      |+||.||||||+|||+||+.||||||+|
T Consensus       212 Eksi~ELhqlFlDMa~LVe~QgEmvd~I  239 (297)
T KOG0810|consen  212 EKSIRELHQLFLDMAVLVESQGEMVDRI  239 (297)
T ss_pred             HHHHHHHHHHHHHHHHHHHHHHhHHHHH
Confidence            9999999999999999999999999997



>COG5074 t-SNARE complex subunit, syntaxin [Intracellular trafficking and secretion] Back     alignment and domain information
>KOG0809|consensus Back     alignment and domain information
>cd00179 SynN Syntaxin N-terminus domain; syntaxins are nervous system-specific proteins implicated in the docking of synaptic vesicles with the presynaptic plasma membrane; they are a family of receptors for intracellular transport vesicles; each target membrane may be identified by a specific member of the syntaxin family; syntaxins contain a moderately well conserved amino-terminal domain, called Habc, whose structure is an antiparallel three-helix bundle; a linker of about 30 amino acids connects this to the carboxy-terminal region, designated H3 (t_SNARE), of the syntaxin cytoplasmic domain; the highly conserved H3 region forms a single, long alpha-helix when it is part of the core SNARE complex and anchors the protein on the cytoplasmic surface of cellular membranes; H3 is not included in defining this domain Back     alignment and domain information
>KOG0811|consensus Back     alignment and domain information
>COG5325 t-SNARE complex subunit, syntaxin [Intracellular trafficking and secretion] Back     alignment and domain information
>cd00193 t_SNARE Soluble NSF (N-ethylmaleimide-sensitive fusion protein)-Attachment protein (SNAP) REceptor domain; these alpha-helical motifs form twisted and parallel heterotetrameric helix bundles; the core complex contains one helix from a protein that is anchored in the vesicle membrane (synaptobrevin), one helix from a protein of the target membrane (syntaxin), and two helices from another protein anchored in the target membrane (SNAP-25); their interaction forms a core which is composed of a polar zero layer, a flanking leucine-zipper layer acts as a water tight shield to isolate ionic interactions in the zero layer from the surrounding solvent Back     alignment and domain information
>PF05739 SNARE: SNARE domain; InterPro: IPR000727 The process of vesicular fusion with target membranes depends on a set of SNAREs (SNAP-Receptors), which are associated with the fusing membranes [, ] Back     alignment and domain information
>smart00397 t_SNARE Helical region found in SNAREs Back     alignment and domain information
>KOG0812|consensus Back     alignment and domain information
>PF09164 VitD-bind_III: Vitamin D binding protein, domain III; InterPro: IPR015247 This domain is predominantly found in Vitamin D binding proteins, and adopts a multihelical structure Back     alignment and domain information

Homologous Structure Templates

Structure Templates Detected by BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query102
3c98_B279 Revised Structure Of The Munc18a-Syntaxin1 Complex 1e-37
1l4a_B88 X-Ray Structure Of The Neuronal ComplexinSNARE COMP 6e-16
1s94_A180 Crystal Structure Of The Habc Domain Of Neuronal Sy 2e-13
1urq_B75 Crystal Structure Of Neuronal Q-Snares In Complex W 4e-13
3hd7_B109 Helical Extension Of The Neuronal Snare Complex Int 5e-13
1sfc_B83 Neuronal Synaptic Fusion Complex Length = 83 5e-13
1hvv_A75 Self-Association Of The H3 Region Of Syntaxin 1a: I 2e-12
1jth_B77 Crystal Structure And Biophysical Properties Of A C 1e-11
1n7s_B68 High Resolution Structure Of A Truncated Neuronal S 1e-11
3rk2_B65 Truncated Snare Complex Length = 65 2e-11
1kil_B62 Three-Dimensional Structure Of The ComplexinSNARE C 2e-11
1fio_A196 Crystal Structure Of Yeast T-Snare Protein Sso1 Len 9e-11
2xhe_B279 Crystal Structure Of The Unc18-Syntaxin 1 Complex F 4e-08
1ez3_A127 Crystal Structure Of The Neuronal T-Snare Syntaxin- 9e-05
>pdb|3C98|B Chain B, Revised Structure Of The Munc18a-Syntaxin1 Complex Length = 279 Back     alignment and structure

Iteration: 1

Score = 150 bits (380), Expect = 1e-37, Method: Compositional matrix adjust. Identities = 71/100 (71%), Positives = 83/100 (83%), Gaps = 6/100 (6%) Query: 1 FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQG------ 54 F+ EYN TQ+DYRERCKGRIQRQLEITGRTTT+EELE ML++GNPA+F G Sbjct: 139 FVEVMSEYNATQSDYRERCKGRIQRQLEITGRTTTSEELEDMLESGNPAIFASGIIMDSS 198 Query: 55 QAKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ 94 +KQ L++IE RH++IIKLENSIRELHDMFMDMAMLVE+Q Sbjct: 199 ISKQALSEIETRHSEIIKLENSIRELHDMFMDMAMLVESQ 238
>pdb|1L4A|B Chain B, X-Ray Structure Of The Neuronal ComplexinSNARE COMPLEX From The Squid Loligo Pealei Length = 88 Back     alignment and structure
>pdb|1S94|A Chain A, Crystal Structure Of The Habc Domain Of Neuronal Syntaxin From The Squid Loligo Pealei Length = 180 Back     alignment and structure
>pdb|1URQ|B Chain B, Crystal Structure Of Neuronal Q-Snares In Complex With R-Snare Motif Of Tomosyn Length = 75 Back     alignment and structure
>pdb|3HD7|B Chain B, Helical Extension Of The Neuronal Snare Complex Into The Membrane, Spacegroup C 1 2 1 Length = 109 Back     alignment and structure
>pdb|1SFC|B Chain B, Neuronal Synaptic Fusion Complex Length = 83 Back     alignment and structure
>pdb|1HVV|A Chain A, Self-Association Of The H3 Region Of Syntaxin 1a: Implications For Snare Complex Assembly Length = 75 Back     alignment and structure
>pdb|1JTH|B Chain B, Crystal Structure And Biophysical Properties Of A Complex Between The N-Terminal Region Of Snap25 And The Snare Region Of Syntaxin 1a Length = 77 Back     alignment and structure
>pdb|1N7S|B Chain B, High Resolution Structure Of A Truncated Neuronal Snare Complex Length = 68 Back     alignment and structure
>pdb|3RK2|B Chain B, Truncated Snare Complex Length = 65 Back     alignment and structure
>pdb|1KIL|B Chain B, Three-Dimensional Structure Of The ComplexinSNARE COMPLEX Length = 62 Back     alignment and structure
>pdb|1FIO|A Chain A, Crystal Structure Of Yeast T-Snare Protein Sso1 Length = 196 Back     alignment and structure
>pdb|2XHE|B Chain B, Crystal Structure Of The Unc18-Syntaxin 1 Complex From Monosiga Brevicollis Length = 279 Back     alignment and structure
>pdb|1EZ3|A Chain A, Crystal Structure Of The Neuronal T-Snare Syntaxin-1a Length = 127 Back     alignment and structure

Structure Templates Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query102
1fio_A196 SSO1 protein; four helix bundle, alpha helix, memb 5e-22
1dn1_B267 Syntaxin 1A, syntaxin binding protein 1; protein-p 2e-19
2xhe_B279 Syntaxin1; exocytosis, exocytosis complex, snare, 1e-18
3hd7_B109 Syntaxin-1A; membrane protein, coiled-coil, 4-heli 3e-13
1n7s_B68 Syntaxin 1A; neuronal snare protein complex, four 5e-12
3b5n_B69 Protein SSO1; snare complex, syntaxin, synaptobrev 5e-12
1sfc_B83 Protein (syntaxin 1A), protein (synaptobrevin 2); 1e-11
1jth_B77 Syntaxin 1A; coiled-coil, polar layer, endocytosis 3e-11
1s94_A180 S-syntaxin; three helix bundle, structural plastic 5e-10
1gl2_B65 Syntaxin 7; membrane protein, membrane fusion prot 8e-10
2nps_B71 Syntaxin 13, vesicle-associated membrane protein 4 4e-09
>1fio_A SSO1 protein; four helix bundle, alpha helix, membrane protein; 2.10A {Saccharomyces cerevisiae} SCOP: a.47.2.1 Length = 196 Back     alignment and structure
 Score = 84.3 bits (208), Expect = 5e-22
 Identities = 35/99 (35%), Positives = 56/99 (56%), Gaps = 9/99 (9%)

Query: 5   WREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAML-DTGNPAVFTQ--------GQ 55
            ++Y    ++Y+E  K + +RQ  I     T +E+EA + D G   +F+Q        G+
Sbjct: 97  IQDYRIVDSNYKEENKEQAKRQYMIIQPEATEDEVEAAISDVGGQQIFSQALLNANRRGE 156

Query: 56  AKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ 94
           AK  LA+++ARH +++KLE S+ EL  +F DM  LV  Q
Sbjct: 157 AKTALAEVQARHQELLKLEKSMAELTQLFNDMEELVIEQ 195


>1dn1_B Syntaxin 1A, syntaxin binding protein 1; protein-protein complex, multi-subunit; 2.60A {Rattus norvegicus} SCOP: a.47.2.1 PDB: 3c98_B Length = 267 Back     alignment and structure
>2xhe_B Syntaxin1; exocytosis, exocytosis complex, snare, neuro fusion, SM PROT choanoflagellates; 2.80A {Monosiga brevicollis} Length = 279 Back     alignment and structure
>3hd7_B Syntaxin-1A; membrane protein, coiled-coil, 4-helical bundle, cell juncti cytoplasmic vesicle, membrane, phosphoprotein; HET: GGG; 3.40A {Rattus norvegicus} PDB: 3hd9_B 3ipd_B Length = 109 Back     alignment and structure
>1n7s_B Syntaxin 1A; neuronal snare protein complex, four helix bundle, transport protein; 1.45A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 3rk2_B 3rk3_B 3rl0_B 1kil_B Length = 68 Back     alignment and structure
>3b5n_B Protein SSO1; snare complex, syntaxin, synaptobrevin, SNAP-25, SSO1P, SNC1P, SEC9P, SSO1, SNC1, coiled coil; 1.60A {Saccharomyces cerevisiae} SCOP: h.1.15.1 Length = 69 Back     alignment and structure
>1sfc_B Protein (syntaxin 1A), protein (synaptobrevin 2); membrane fusion protein complex, transport protein; 2.40A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 1l4a_B Length = 83 Back     alignment and structure
>1jth_B Syntaxin 1A; coiled-coil, polar layer, endocytosis-exocytosis complex; 2.00A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 1hvv_A* 1urq_B Length = 77 Back     alignment and structure
>1s94_A S-syntaxin; three helix bundle, structural plasticity, endocytosis-exocy complex; 3.34A {Loligo pealei} SCOP: a.47.2.1 Length = 180 Back     alignment and structure
>1gl2_B Syntaxin 7; membrane protein, membrane fusion protein complex, coiled coil, transmembrane; 1.9A {Mus musculus} SCOP: h.1.15.1 Length = 65 Back     alignment and structure
>2nps_B Syntaxin 13, vesicle-associated membrane protein 4; vesicle fusion, snare complex, early endosomal snare complex, VTI1A, VAMP4, transport protein; 2.50A {Rattus norvegicus} Length = 71 Back     alignment and structure

Structure Templates Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query102
1dn1_B267 Syntaxin 1A, syntaxin binding protein 1; protein-p 99.97
1fio_A196 SSO1 protein; four helix bundle, alpha helix, memb 99.94
2xhe_B279 Syntaxin1; exocytosis, exocytosis complex, snare, 99.91
1n7s_B68 Syntaxin 1A; neuronal snare protein complex, four 99.71
1jth_B77 Syntaxin 1A; coiled-coil, polar layer, endocytosis 99.7
3b5n_B69 Protein SSO1; snare complex, syntaxin, synaptobrev 99.7
1sfc_B83 Protein (syntaxin 1A), protein (synaptobrevin 2); 99.7
3hd7_B109 Syntaxin-1A; membrane protein, coiled-coil, 4-heli 99.66
1gl2_B65 Syntaxin 7; membrane protein, membrane fusion prot 99.65
2nps_B71 Syntaxin 13, vesicle-associated membrane protein 4 99.61
3c98_B279 Syntaxin-1A; protein complex, alternative splicing 99.39
1s94_A180 S-syntaxin; three helix bundle, structural plastic 99.03
1n7s_D66 SNAP-25A; neuronal snare protein complex, four hel 86.12
1gl2_D65 Syntaxin 8, vesicle transport V-snare protein VTI1 84.85
1sfc_D87 Protein (SNAP-25B), protein (synaptobrevin 2); mem 83.58
>1dn1_B Syntaxin 1A, syntaxin binding protein 1; protein-protein complex, multi-subunit; 2.60A {Rattus norvegicus} PDB: 3c98_B Back     alignment and structure
Probab=99.97  E-value=1.5e-30  Score=191.38  Aligned_cols=101  Identities=70%  Similarity=1.054  Sum_probs=97.5

Q ss_pred             CHHHHHHHHHHHHHHHHHHHHHHHHHHHHhcCCCCHHHHHHHHhCCCcchhhhh------HHHHHHHHHHHHHHHHHHHH
Q psy15325          1 FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTGNPAVFTQG------QAKQTLADIEARHADIIKLE   74 (102)
Q Consensus         1 F~~~~~~f~~~Q~~y~~~~k~~~~rq~~i~~~~~tdeei~~~i~~~~~~~f~~~------~~~~~l~~i~~R~~eI~~lE   74 (102)
                      |.++|.+|+.+|..|+++||.+++||++|+||++|+++++.++++|++++|+++      .++.+|.+|++||.+|.+||
T Consensus       127 f~~~m~~yq~~Q~~y~e~~k~~i~Rq~~i~~~~~tdeeie~~ie~g~~~~f~q~~l~~~~~~~~~l~~i~~R~~~i~~ie  206 (267)
T 1dn1_B          127 FVEVMSEYNATQSDYRERCKGRIQRQLEITGRTTTSEELEDMLESGNPAIFASGIIMDSSISKQALSEIETRHSEIIKLE  206 (267)
T ss_dssp             HHHHHHHHHHHHHHHHHHHHHHHHHHHHHTTCCCCHHHHHHHHHTCSSCTTTTTCCCCSHHHHHHHHHHHHHHHHHHHHH
T ss_pred             HHHHHHHHHHHHHHHHHHHHHHHHhHhhccCCCCCHHHHHHHHhCCcHHHHHHHHHHhhHHHHHHHHHHHHHHHHHHHHH
Confidence            789999999999999999999999999999999999999999999999999876      67889999999999999999


Q ss_pred             HhHHHHHHHHHHHHHHHHHhhhhhhcC
Q psy15325         75 NSIRELHDMFMDMAMLVENQDDRGNHN  101 (102)
Q Consensus        75 ~si~eL~qlF~Dla~LV~~QGe~id~~  101 (102)
                      ++|.|||+||.|||+||++||++||+|
T Consensus       207 ~~i~el~~if~dla~lV~~Qg~~id~I  233 (267)
T 1dn1_B          207 NSIRELHDMFMDMAMLVESQGEMIDRI  233 (267)
T ss_dssp             HHHHTTHHHHHHHHHHHHHHCSGGGCH
T ss_pred             HHHHHHHHHHHHHHHHHHHhhHHHHHH
Confidence            999999999999999999999999987



>1fio_A SSO1 protein; four helix bundle, alpha helix, membrane protein; 2.10A {Saccharomyces cerevisiae} SCOP: a.47.2.1 Back     alignment and structure
>2xhe_B Syntaxin1; exocytosis, exocytosis complex, snare, neuro fusion, SM PROT choanoflagellates; 2.80A {Monosiga brevicollis} Back     alignment and structure
>1n7s_B Syntaxin 1A; neuronal snare protein complex, four helix bundle, transport protein; 1.45A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 3rk2_B 3rk3_B 3rl0_B 1kil_B Back     alignment and structure
>1jth_B Syntaxin 1A; coiled-coil, polar layer, endocytosis-exocytosis complex; 2.00A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 1hvv_A* 1urq_B Back     alignment and structure
>3b5n_B Protein SSO1; snare complex, syntaxin, synaptobrevin, SNAP-25, SSO1P, SNC1P, SEC9P, SSO1, SNC1, coiled coil; 1.60A {Saccharomyces cerevisiae} SCOP: h.1.15.1 Back     alignment and structure
>1sfc_B Protein (syntaxin 1A), protein (synaptobrevin 2); membrane fusion protein complex, transport protein; 2.40A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 1l4a_B Back     alignment and structure
>3hd7_B Syntaxin-1A; membrane protein, coiled-coil, 4-helical bundle, cell juncti cytoplasmic vesicle, membrane, phosphoprotein; HET: GGG; 3.40A {Rattus norvegicus} PDB: 3hd9_B 3ipd_B Back     alignment and structure
>1gl2_B Syntaxin 7; membrane protein, membrane fusion protein complex, coiled coil, transmembrane; 1.9A {Mus musculus} SCOP: h.1.15.1 Back     alignment and structure
>2nps_B Syntaxin 13, vesicle-associated membrane protein 4; vesicle fusion, snare complex, early endosomal snare complex, VTI1A, VAMP4, transport protein; 2.50A {Rattus norvegicus} Back     alignment and structure
>3c98_B Syntaxin-1A; protein complex, alternative splicing, cytoplasm, membrane, phosphoprotein, protein transport, transport, coiled coil; 2.60A {Rattus norvegicus} Back     alignment and structure
>1s94_A S-syntaxin; three helix bundle, structural plasticity, endocytosis-exocy complex; 3.34A {Loligo pealei} SCOP: a.47.2.1 Back     alignment and structure
>1n7s_D SNAP-25A; neuronal snare protein complex, four helix bundle, transport protein; 1.45A {Rattus norvegicus} SCOP: h.1.15.1 PDB: 3rk2_D 3rk3_D 3rl0_D 1kil_D 3hd7_D* 3hd9_D 3ipd_D 1urq_D 1xtg_B Back     alignment and structure
>1gl2_D Syntaxin 8, vesicle transport V-snare protein VTI1-like 1; membrane protein, membrane fusion protein complex, coiled coil, transmembrane; 1.9A {Rattus norvegicus} SCOP: h.1.15.1 Back     alignment and structure
>1sfc_D Protein (SNAP-25B), protein (synaptobrevin 2); membrane fusion protein complex, transport protein; 2.40A {Rattus norvegicus} SCOP: h.1.15.1 Back     alignment and structure

Homologous Structure Domains

Structure Domains Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query 102
d1fioa_196 a.47.2.1 (A:) Sso1 {Baker's yeast (Saccharomyces c 3e-14
>d1fioa_ a.47.2.1 (A:) Sso1 {Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932]} Length = 196 Back     information, alignment and structure

class: All alpha proteins
fold: STAT-like
superfamily: t-snare proteins
family: t-snare proteins
domain: Sso1
species: Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932]
 Score = 62.8 bits (152), Expect = 3e-14
 Identities = 35/99 (35%), Positives = 56/99 (56%), Gaps = 9/99 (9%)

Query: 5   WREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAML-DTGNPAVFTQ--------GQ 55
            ++Y    ++Y+E  K + +RQ  I     T +E+EA + D G   +F+Q        G+
Sbjct: 97  IQDYRIVDSNYKEENKEQAKRQYMIIQPEATEDEVEAAISDVGGQQIFSQALLNANRRGE 156

Query: 56  AKQTLADIEARHADIIKLENSIRELHDMFMDMAMLVENQ 94
           AK  LA+++ARH +++KLE S+ EL  +F DM  LV  Q
Sbjct: 157 AKTALAEVQARHQELLKLEKSMAELTQLFNDMEELVIEQ 195


Homologous Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query102
d1fioa_196 Sso1 {Baker's yeast (Saccharomyces cerevisiae) [Ta 99.83
d1kxpd369 Vitamin D binding protein {Human (Homo sapiens) [T 83.35
>d1fioa_ a.47.2.1 (A:) Sso1 {Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932]} Back     information, alignment and structure
class: All alpha proteins
fold: STAT-like
superfamily: t-snare proteins
family: t-snare proteins
domain: Sso1
species: Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932]
Probab=99.83  E-value=4.7e-21  Score=130.19  Aligned_cols=94  Identities=36%  Similarity=0.595  Sum_probs=84.1

Q ss_pred             CHHHHHHHHHHHHHHHHHHHHHHHHHHHHhcCCCCHHHHHHHHhCC-Ccchhhhh--------HHHHHHHHHHHHHHHHH
Q psy15325          1 FLLYWREYNRTQTDYRERCKGRIQRQLEITGRTTTNEELEAMLDTG-NPAVFTQG--------QAKQTLADIEARHADII   71 (102)
Q Consensus         1 F~~~~~~f~~~Q~~y~~~~k~~~~rq~~i~~~~~tdeei~~~i~~~-~~~~f~~~--------~~~~~l~~i~~R~~eI~   71 (102)
                      |.+++..|+..|..|++++|.++.|++.+++|++++++++..+.++ ....|.+.        +.+..+.++++||++|.
T Consensus        93 l~~~~~~f~~~q~~~~~~~k~~~~r~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~i~eR~~eI~  172 (196)
T d1fioa_          93 FLKLIQDYRIVDSNYKEENKEQAKRQYMIIQPEATEDEVEAAISDVGGQQIFSQALLNANRRGEAKTALAEVQARHQELL  172 (196)
T ss_dssp             HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCTTCCHHHHHHHTSHHHHHHHHHHHTC------CHHHHHHHHHHHHHHHH
T ss_pred             HHHHHHHHHHHHHHHHHHHHHHHhhhhhccCCCccchhhhHhhccccchHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
Confidence            6789999999999999999999999999999999999999887654 33444433        56788999999999999


Q ss_pred             HHHHhHHHHHHHHHHHHHHHHHh
Q psy15325         72 KLENSIRELHDMFMDMAMLVENQ   94 (102)
Q Consensus        72 ~lE~si~eL~qlF~Dla~LV~~Q   94 (102)
                      +||++|.||++||.|||.||++|
T Consensus       173 ~Ie~sI~eL~~iF~dLa~LV~eQ  195 (196)
T d1fioa_         173 KLEKSMAELTQLFNDMEELVIEQ  195 (196)
T ss_dssp             HHHHHHHHHHHHHHHHHSCCCCC
T ss_pred             HHHHhHHHHHHHHHHHHHHHHcc
Confidence            99999999999999999999988



>d1kxpd3 a.126.1.1 (D:405-473) Vitamin D binding protein {Human (Homo sapiens) [TaxId: 9606]} Back     information, alignment and structure