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Conserved domains on  [gi|564331160|ref|XP_006230410|]
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syntaxin-4 isoform X5 [Rattus norvegicus]

Protein Classification

SNARE domain-containing protein( domain architecture ID 10075372)

SNARE domain-containing protein such as SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which interact to form a SNARE complex that mediates membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
SynN cd00179
Syntaxin N-terminus domain; syntaxins are nervous system-specific proteins implicated in the ...
39-189 2.12e-41

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


:

Pssm-ID: 238105 [Multi-domain]  Cd Length: 151  Bit Score: 138.57  E-value: 2.12e-41
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  39 DEFFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENYNSV 118
Cdd:cd00179    2 EEFFEEVEEIRGNIDKISEDVEELQKLHSQLLTAPDADPELKQELESLVQEIKKLAKEIKGKLKELEESNEQNEALNGSS 81
                         90       100       110       120       130       140       150
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 564331160 119 NTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNaGMVSDEELEQMLDSGQSEVFVSNI 189
Cdd:cd00179   82 VDRIRKTQHSGLSKKFVEVMTEFNKAQRKYRERYKERIQRQLEITG-GEATDEELEDMLESGNSEIFTSQI 151
SNARE super family cl22856
SNARE motif; SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) ...
199-234 2.20e-11

SNARE motif; SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins consist of coiled-coil helices (called SNARE motifs) which mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complex mediates membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, Qb- and Qc-SNAREs are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle. Their SNARE motifs form twisted and parallel heterotetrameric helix bundles.


The actual alignment was detected with superfamily member cd15883:

Pssm-ID: 473982  Cd Length: 63  Bit Score: 57.65  E-value: 2.20e-11
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15883    1 ALNEIEARHSEIQKLERSIRELHDMFTYLAMEVEAQ 36
 
Name Accession Description Interval E-value
SynN cd00179
Syntaxin N-terminus domain; syntaxins are nervous system-specific proteins implicated in the ...
39-189 2.12e-41

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


Pssm-ID: 238105 [Multi-domain]  Cd Length: 151  Bit Score: 138.57  E-value: 2.12e-41
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  39 DEFFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENYNSV 118
Cdd:cd00179    2 EEFFEEVEEIRGNIDKISEDVEELQKLHSQLLTAPDADPELKQELESLVQEIKKLAKEIKGKLKELEESNEQNEALNGSS 81
                         90       100       110       120       130       140       150
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 564331160 119 NTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNaGMVSDEELEQMLDSGQSEVFVSNI 189
Cdd:cd00179   82 VDRIRKTQHSGLSKKFVEVMTEFNKAQRKYRERYKERIQRQLEITG-GEATDEELEDMLESGNSEIFTSQI 151
Syntaxin pfam00804
Syntaxin; Syntaxins are the prototype family of SNARE proteins. They usually consist of three ...
40-234 6.48e-32

Syntaxin; Syntaxins are the prototype family of SNARE proteins. They usually consist of three main regions - a C-terminal transmembrane region, a central SNARE domain which is characteriztic of and conserved in all syntaxins (pfam05739), and an N-terminal domain that is featured in this entry. This domain varies between syntaxin isoforms; in syntaxin 1A it is found as three alpha-helices with a left-handed twist. It may fold back on the SNARE domain to allow the molecule to adopt a 'closed' configuration that prevents formation of the core fusion complex - it thus has an auto-inhibitory role. The function of syntaxins is determined by their localization. They are involved in neuronal exocytosis, ER-Golgi transport and Golgi-endosome transport, for example. They also interact with other proteins as well as those involved in SNARE complexes. These include vesicle coat proteins, Rab GTPases, and tethering factors.


Pssm-ID: 459942 [Multi-domain]  Cd Length: 203  Bit Score: 115.74  E-value: 6.48e-32
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160   40 EFFQKVQTIRQTMAKLESKVRELEKQQV--TILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENY-- 115
Cdd:pfam00804   1 DFFKEVQEIKEEIEKIRLLVKKLQKQNEesKLLTSARRMSVIKRRMNSIARDIKKRAESIKRRLEALDKSNAENEKKPgc 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  116 --NSVNTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNAGMVSDEELEQMLDSGQSEVFVSNIL-KD 192
Cdd:pfam00804  81 gpGSAVDRIRRSQTAALRKKLKEVMAEYNELRERIREEYKEVIQRQYETVTGKEVSEEEIEEMIETGSESVFQKAILeQG 160
                         170       180       190       200
                  ....*....|....*....|....*....|....*....|..
gi 564331160  193 TQVTRQALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:pfam00804 161 RGQARSALSEIEERHKELKELESSLKELHQIFLDMAVLVEAQ 202
SynN smart00503
Syntaxin N-terminal domain; Three-helix domain that (in Sso1p) slows the rate of its reaction ...
36-151 5.13e-23

Syntaxin N-terminal domain; Three-helix domain that (in Sso1p) slows the rate of its reaction with the SNAP-25 homologue Sec9p


Pssm-ID: 214699 [Multi-domain]  Cd Length: 117  Bit Score: 90.10  E-value: 5.13e-23
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160    36 SPDDEFFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENy 115
Cdd:smart00503   1 SNLDEFFEKVEEIRANIQKISQNVAELQKLHEELLTPPDADKELREKLERLIDDIKRLAKEIRAKLKELEKENLENRAS- 79
                           90       100       110
                   ....*....|....*....|....*....|....*.
gi 564331160   116 NSVNTRMKKTQHGVLSQQFVELINKCNSMQSEYREK 151
Cdd:smart00503  80 GSASDRTRKAQTEKLRKKFKEVMNEFQRLQRKYRER 115
COG5074 COG5074
t-SNARE complex subunit, syntaxin [Intracellular trafficking, secretion, and vesicular ...
41-234 3.01e-13

t-SNARE complex subunit, syntaxin [Intracellular trafficking, secretion, and vesicular transport];


Pssm-ID: 227406 [Multi-domain]  Cd Length: 280  Bit Score: 67.60  E-value: 3.01e-13
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  41 FFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESM--KQGLQNLREEIKQLGREVRAQLKAIEPQKeeadenynsV 118
Cdd:COG5074   23 FMNKILSINKNLSVYEKEINQIDNLHKDLLTEVFEEQSRklRRSLDNFSSQTTDLQRNLKKDIKSAERDG---------I 93
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160 119 NTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNAGMVSDEELEQMLDSGQSEVFVSNILKDTQV--T 196
Cdd:COG5074   94 HLANKQAQAENVRQKFLKLIQDYRIIDSNYREEEKEQARRQYIIAQPEATEDEVEAAINDVNGQQVFSQALLNANRRgeA 173
                        170       180       190
                 ....*....|....*....|....*....|....*...
gi 564331160 197 RQALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:COG5074  174 KTALAEVQARHQEIKKIEKTMAELTQLFNDMEELVIEQ 211
SNARE_syntaxin4 cd15883
SNARE motif of syntaxin 4; Syntaxin-4 forms a complex with SNAP-23 (Qb/Qc) and R-SNAREs VAMP8, ...
199-234 2.20e-11

SNARE motif of syntaxin 4; Syntaxin-4 forms a complex with SNAP-23 (Qb/Qc) and R-SNAREs VAMP8, VAMP2 and VAMP7 which plays a role in exocytosis of secetory granule. Syntaxin 4 is member of the Qa subgroup of SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277236  Cd Length: 63  Bit Score: 57.65  E-value: 2.20e-11
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15883    1 ALNEIEARHSEIQKLERSIRELHDMFTYLAMEVEAQ 36
t_SNARE smart00397
Helical region found in SNAREs; All alpha-helical motifs that form twisted and parallel ...
197-234 1.11e-03

Helical region found in SNAREs; All alpha-helical motifs that form twisted and parallel four-helix bundles in target soluble N-ethylmaleimide-sensitive factor (NSF) attachment protein (SNAP) receptor proteins. This motif found in "Q-SNAREs".


Pssm-ID: 197699 [Multi-domain]  Cd Length: 66  Bit Score: 36.41  E-value: 1.11e-03
                           10        20        30
                   ....*....|....*....|....*....|....*...
gi 564331160   197 RQALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:smart00397   1 QQALAREEERDEELEQLEKSIQELKQIFLDMGTELEEQ 38
 
Name Accession Description Interval E-value
SynN cd00179
Syntaxin N-terminus domain; syntaxins are nervous system-specific proteins implicated in the ...
39-189 2.12e-41

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


Pssm-ID: 238105 [Multi-domain]  Cd Length: 151  Bit Score: 138.57  E-value: 2.12e-41
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  39 DEFFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENYNSV 118
Cdd:cd00179    2 EEFFEEVEEIRGNIDKISEDVEELQKLHSQLLTAPDADPELKQELESLVQEIKKLAKEIKGKLKELEESNEQNEALNGSS 81
                         90       100       110       120       130       140       150
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 564331160 119 NTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNaGMVSDEELEQMLDSGQSEVFVSNI 189
Cdd:cd00179   82 VDRIRKTQHSGLSKKFVEVMTEFNKAQRKYRERYKERIQRQLEITG-GEATDEELEDMLESGNSEIFTSQI 151
Syntaxin pfam00804
Syntaxin; Syntaxins are the prototype family of SNARE proteins. They usually consist of three ...
40-234 6.48e-32

Syntaxin; Syntaxins are the prototype family of SNARE proteins. They usually consist of three main regions - a C-terminal transmembrane region, a central SNARE domain which is characteriztic of and conserved in all syntaxins (pfam05739), and an N-terminal domain that is featured in this entry. This domain varies between syntaxin isoforms; in syntaxin 1A it is found as three alpha-helices with a left-handed twist. It may fold back on the SNARE domain to allow the molecule to adopt a 'closed' configuration that prevents formation of the core fusion complex - it thus has an auto-inhibitory role. The function of syntaxins is determined by their localization. They are involved in neuronal exocytosis, ER-Golgi transport and Golgi-endosome transport, for example. They also interact with other proteins as well as those involved in SNARE complexes. These include vesicle coat proteins, Rab GTPases, and tethering factors.


Pssm-ID: 459942 [Multi-domain]  Cd Length: 203  Bit Score: 115.74  E-value: 6.48e-32
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160   40 EFFQKVQTIRQTMAKLESKVRELEKQQV--TILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENY-- 115
Cdd:pfam00804   1 DFFKEVQEIKEEIEKIRLLVKKLQKQNEesKLLTSARRMSVIKRRMNSIARDIKKRAESIKRRLEALDKSNAENEKKPgc 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  116 --NSVNTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNAGMVSDEELEQMLDSGQSEVFVSNIL-KD 192
Cdd:pfam00804  81 gpGSAVDRIRRSQTAALRKKLKEVMAEYNELRERIREEYKEVIQRQYETVTGKEVSEEEIEEMIETGSESVFQKAILeQG 160
                         170       180       190       200
                  ....*....|....*....|....*....|....*....|..
gi 564331160  193 TQVTRQALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:pfam00804 161 RGQARSALSEIEERHKELKELESSLKELHQIFLDMAVLVEAQ 202
SynN smart00503
Syntaxin N-terminal domain; Three-helix domain that (in Sso1p) slows the rate of its reaction ...
36-151 5.13e-23

Syntaxin N-terminal domain; Three-helix domain that (in Sso1p) slows the rate of its reaction with the SNAP-25 homologue Sec9p


Pssm-ID: 214699 [Multi-domain]  Cd Length: 117  Bit Score: 90.10  E-value: 5.13e-23
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160    36 SPDDEFFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESMKQGLQNLREEIKQLGREVRAQLKAIEPQKEEADENy 115
Cdd:smart00503   1 SNLDEFFEKVEEIRANIQKISQNVAELQKLHEELLTPPDADKELREKLERLIDDIKRLAKEIRAKLKELEKENLENRAS- 79
                           90       100       110
                   ....*....|....*....|....*....|....*.
gi 564331160   116 NSVNTRMKKTQHGVLSQQFVELINKCNSMQSEYREK 151
Cdd:smart00503  80 GSASDRTRKAQTEKLRKKFKEVMNEFQRLQRKYRER 115
COG5074 COG5074
t-SNARE complex subunit, syntaxin [Intracellular trafficking, secretion, and vesicular ...
41-234 3.01e-13

t-SNARE complex subunit, syntaxin [Intracellular trafficking, secretion, and vesicular transport];


Pssm-ID: 227406 [Multi-domain]  Cd Length: 280  Bit Score: 67.60  E-value: 3.01e-13
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160  41 FFQKVQTIRQTMAKLESKVRELEKQQVTILATPLPEESM--KQGLQNLREEIKQLGREVRAQLKAIEPQKeeadenynsV 118
Cdd:COG5074   23 FMNKILSINKNLSVYEKEINQIDNLHKDLLTEVFEEQSRklRRSLDNFSSQTTDLQRNLKKDIKSAERDG---------I 93
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 564331160 119 NTRMKKTQHGVLSQQFVELINKCNSMQSEYREKNVERIRRQLKITNAGMVSDEELEQMLDSGQSEVFVSNILKDTQV--T 196
Cdd:COG5074   94 HLANKQAQAENVRQKFLKLIQDYRIIDSNYREEEKEQARRQYIIAQPEATEDEVEAAINDVNGQQVFSQALLNANRRgeA 173
                        170       180       190
                 ....*....|....*....|....*....|....*...
gi 564331160 197 RQALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:COG5074  174 KTALAEVQARHQEIKKIEKTMAELTQLFNDMEELVIEQ 211
SNARE_syntaxin4 cd15883
SNARE motif of syntaxin 4; Syntaxin-4 forms a complex with SNAP-23 (Qb/Qc) and R-SNAREs VAMP8, ...
199-234 2.20e-11

SNARE motif of syntaxin 4; Syntaxin-4 forms a complex with SNAP-23 (Qb/Qc) and R-SNAREs VAMP8, VAMP2 and VAMP7 which plays a role in exocytosis of secetory granule. Syntaxin 4 is member of the Qa subgroup of SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277236  Cd Length: 63  Bit Score: 57.65  E-value: 2.20e-11
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15883    1 ALNEIEARHSEIQKLERSIRELHDMFTYLAMEVEAQ 36
SNARE_syntaxin1-like cd15848
SNARE motif of syntaxin 1 and related proteins; SNARE (soluble N-ethylmaleimide-sensitive ...
199-234 1.12e-09

SNARE motif of syntaxin 1 and related proteins; SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins consist of coiled-coil helices (called SNARE motifs) which mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complex mediates membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle. Their SNARE motifs form twisted and parallel heterotetrameric helix bundles. This subgroup of the Qa SNAREs includes syntaxin 1, syntaxin 11, syntaxin 19, syntaxin 2, syntaxin 3, syntaxin 4 and related proteins.


Pssm-ID: 277201  Cd Length: 63  Bit Score: 52.92  E-value: 1.12e-09
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15848    1 ALADIEERHQDILKLEKSIRELHQMFLDMAVLVESQ 36
SNARE_syntaxin2 cd15882
SNARE motif of syntaxin 2; Syntaxin 2 (STX2), also known as epimorphin (EPM or EPIM), may ...
199-234 6.50e-06

SNARE motif of syntaxin 2; Syntaxin 2 (STX2), also known as epimorphin (EPM or EPIM), may interact with SNAP-23 (Qb/c) and genetic varioations are associated with type 1 von Willebrand disease (VWD). Syntaxin 2 is a member of the Qa subgroup of SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277235  Cd Length: 69  Bit Score: 42.72  E-value: 6.50e-06
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15882    1 ALNEIESRHKDIMKLESSIRELHDMFVDMAMLVETQ 36
SNARE_syntaxin1 cd15880
SNARE motif of syntaxin 1; Syntaxin-1 belongs to the Qa subgroup of SNAREs and interacts with ...
199-234 5.76e-05

SNARE motif of syntaxin 1; Syntaxin-1 belongs to the Qa subgroup of SNAREs and interacts with SNAP-25 (Qb/Qc) and the R-SNARE VAMP2 (also called synaptobrevin-2). The complex plays a role in exocytosis of synaptic vesicles. SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277233  Cd Length: 69  Bit Score: 40.19  E-value: 5.76e-05
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15880    1 ALSEIEARHNDIIKLENSIRELHDMFMDMAMLVESQ 36
SNARE_syntaxin3 cd15881
SNARE motif of syntaxin 3; Syntaxin 3 (STX3) has been shown to form a complex with VAMP8 ...
199-234 2.79e-04

SNARE motif of syntaxin 3; Syntaxin 3 (STX3) has been shown to form a complex with VAMP8 (R-SNARE) and SNAP-23 (Qb/c) in mast cells. Mutations have been implicated in human microvillus inclusion disease (MVID), a disorder of the differentiation of intestinal epithelium. Syntaxin 3 is a member of the Qa subgroup of SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277234  Cd Length: 69  Bit Score: 38.47  E-value: 2.79e-04
                         10        20        30
                 ....*....|....*....|....*....|....*.
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15881    1 ALSEIEGRHKDIVRLESSIKELHDMFVDIAMLVENQ 36
SNARE_syntaxin11 cd15878
SNARE motif of syntaxin 11; Syntaxin 11 (also known as STX11, FHL4, HLH4, HPLH4) is present on ...
199-237 7.20e-04

SNARE motif of syntaxin 11; Syntaxin 11 (also known as STX11, FHL4, HLH4, HPLH4) is present on endosomal membranes, including late endosomes and lysosomes in macrophages, and has been shown to bind Vti1b and regulate the availability of Vti1b to form other SNARE-complexes. Mutations in human STX11 has been linked to familial hemophagocytic lymphohistiocytosis type-4 (FHL-4), an autosomal recessive disorder of immune dysregulation. Syntaxin 11 is a member of the Qa subgroup of SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277231  Cd Length: 63  Bit Score: 37.13  E-value: 7.20e-04
                         10        20        30
                 ....*....|....*....|....*....|....*....
gi 564331160 199 ALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQVRT 237
Cdd:cd15878    1 ALNEIETRHKELLELESRIREVHELFLQMALLVEEQADT 39
t_SNARE smart00397
Helical region found in SNAREs; All alpha-helical motifs that form twisted and parallel ...
197-234 1.11e-03

Helical region found in SNAREs; All alpha-helical motifs that form twisted and parallel four-helix bundles in target soluble N-ethylmaleimide-sensitive factor (NSF) attachment protein (SNAP) receptor proteins. This motif found in "Q-SNAREs".


Pssm-ID: 197699 [Multi-domain]  Cd Length: 66  Bit Score: 36.41  E-value: 1.11e-03
                           10        20        30
                   ....*....|....*....|....*....|....*...
gi 564331160   197 RQALNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:smart00397   1 QQALAREEERDEELEQLEKSIQELKQIFLDMGTELEEQ 38
SNARE_Sso1 cd15849
SNARE motif of Sso1; Saccharomyces cerevisiae SNARE protein Sso1p forms a complex with ...
200-234 1.99e-03

SNARE motif of Sso1; Saccharomyces cerevisiae SNARE protein Sso1p forms a complex with synaptobrevin homolog Snc1p (R-SNARE) and the SNAP-25 homolog Sec9p (Qb/c) which is involved in exocytosis. Sso1 is member of the Qa subgroup of SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins, which consist of coiled-coil helices (called SNARE motifs) that mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complexes mediate membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle.


Pssm-ID: 277202  Cd Length: 64  Bit Score: 35.58  E-value: 1.99e-03
                         10        20        30
                 ....*....|....*....|....*....|....*
gi 564331160 200 LNEISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15849    1 LGEVQARHNEIQRIEQTLTELAQLFNDMATLVEQQ 35
SNARE_Qa cd15840
SNARE motif, subgroup Qa; SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein ...
203-234 6.38e-03

SNARE motif, subgroup Qa; SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins consist of coiled-coil helices (called SNARE motifs) which mediate the interactions between SNARE proteins, and a transmembrane domain. The SNARE complex mediates membrane fusion, important for trafficking of newly synthesized proteins, recycling of pre-existing proteins and organelle formation. SNARE proteins are classified into four groups, Qa-, Qb-, Qc- and R-SNAREs, depending on whether the residue in the hydrophilic center layer of the four-helical bundle is a glutamine (Q) or arginine (R). Qa-, as well as Qb- and Qc-SNAREs, are localized to target organelle membranes, while R-SNARE is localized to vesicle membranes. They form unique complexes consisting of one member of each subgroup, that mediate fusion between a specific type of vesicles and their target organelle. Their SNARE motifs form twisted and parallel heterotetrameric helix bundles. Examples for members of the Qa SNAREs are syntaxin 18, syntaxin 5, syntaxin 16, and syntaxin 1.


Pssm-ID: 277193 [Multi-domain]  Cd Length: 59  Bit Score: 34.03  E-value: 6.38e-03
                         10        20        30
                 ....*....|....*....|....*....|..
gi 564331160 203 ISARHSEIQQLERSIRELHEIFTFLATEVEMQ 234
Cdd:cd15840    1 IEEREEEIREIESSIGEVNEIFKDLATLVTEQ 32
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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