Synaptotagmin-1 C2A, C2B domains and SNARE-pin proteins (5CCI) individually docked into Cryo-EM map of C2AB-SNARE complexes helically organized on lipid nanotube surface in presence of Mg2+
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| E [auth 5] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8040954 | 3000965 | SCOP2B (2022-06-29) |
| E [auth 5] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8086451 | 3000965 | SCOP2B (2022-06-29) |
| D [auth 4] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8086451 | 3000965 | SCOP2B (2022-06-29) |
| D [auth 4] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8040954 | 3000965 | SCOP2B (2022-06-29) |
| C [auth 3] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8040954 | 3000965 | SCOP2B (2022-06-29) |
| C [auth 3] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8086451 | 3000965 | SCOP2B (2022-06-29) |
| B [auth 2] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8086451 | 3000965 | SCOP2B (2022-06-29) |
| B [auth 2] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8040954 | 3000965 | SCOP2B (2022-06-29) |
| W [auth Q] | SCOP2B Superfamily | SNARE fusion complex | 8043664 | 3001549 | SCOP2B (2022-06-29) |
| S [auth M] | SCOP2B Superfamily | SNARE fusion complex | 8043664 | 3001549 | SCOP2B (2022-06-29) |
| O [auth I] | SCOP2B Superfamily | SNARE fusion complex | 8043664 | 3001549 | SCOP2B (2022-06-29) |
| K [auth E] | SCOP2B Superfamily | SNARE fusion complex | 8043664 | 3001549 | SCOP2B (2022-06-29) |
| G [auth A] | SCOP2B Superfamily | SNARE fusion complex | 8043664 | 3001549 | SCOP2B (2022-06-29) |
| AA [auth U] | SCOP2B Superfamily | SNARE fusion complex | 8043664 | 3001549 | SCOP2B (2022-06-29) |
| X [auth R] | SCOP2B Superfamily | SNARE fusion complex | 8043665 | 3001549 | SCOP2B (2022-06-29) |
| T [auth N] | SCOP2B Superfamily | SNARE fusion complex | 8043665 | 3001549 | SCOP2B (2022-06-29) |
| P [auth J] | SCOP2B Superfamily | SNARE fusion complex | 8043665 | 3001549 | SCOP2B (2022-06-29) |
| L [auth F] | SCOP2B Superfamily | SNARE fusion complex | 8043665 | 3001549 | SCOP2B (2022-06-29) |
| H [auth B] | SCOP2B Superfamily | SNARE fusion complex | 8043665 | 3001549 | SCOP2B (2022-06-29) |
| BA [auth V] | SCOP2B Superfamily | SNARE fusion complex | 8043665 | 3001549 | SCOP2B (2022-06-29) |
| Y [auth S] | SCOP2B Superfamily | SNARE fusion complex | 8043667 | 3001549 | SCOP2B (2022-06-29) |
| U [auth O] | SCOP2B Superfamily | SNARE fusion complex | 8043667 | 3001549 | SCOP2B (2022-06-29) |
| Q [auth K] | SCOP2B Superfamily | SNARE fusion complex | 8043667 | 3001549 | SCOP2B (2022-06-29) |
| M [auth G] | SCOP2B Superfamily | SNARE fusion complex | 8043667 | 3001549 | SCOP2B (2022-06-29) |
| I [auth C] | SCOP2B Superfamily | SNARE fusion complex | 8043667 | 3001549 | SCOP2B (2022-06-29) |
| CA [auth W] | SCOP2B Superfamily | SNARE fusion complex | 8043667 | 3001549 | SCOP2B (2022-06-29) |
| F [auth 6] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8086451 | 3000965 | SCOP2B (2022-06-29) |
| A [auth 1] | SCOP2B Superfamily | C2 domain (calcium/lipid-binding domain, calb) | 8086451 | 3000965 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| E [auth 5] | C2_2 | e6mti52 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: C2 domain (From Topology) | T: C2 domain | F: C2_2 | ECOD (1.6) |
| D [auth 4] | C2_2 | e6mti42 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: C2 domain (From Topology) | T: C2 domain | F: C2_2 | ECOD (1.6) |
| C [auth 3] | C2_2 | e6mti32 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: C2 domain (From Topology) | T: C2 domain | F: C2_2 | ECOD (1.6) |
| B [auth 2] | C2_2 | e6mti22 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: C2 domain (From Topology) | T: C2 domain | F: C2_2 | ECOD (1.6) |
| W [auth Q] | Synaptobrevin | e6mtiQ1 | A: extended segments | X: Synaptobrevin (From Topology) | H: Synaptobrevin (From Topology) | T: Synaptobrevin | F: Synaptobrevin | ECOD (1.6) |
| S [auth M] | Synaptobrevin | e6mtiM1 | A: extended segments | X: Synaptobrevin (From Topology) | H: Synaptobrevin (From Topology) | T: Synaptobrevin | F: Synaptobrevin | ECOD (1.6) |
| O [auth I] | Synaptobrevin | e6mtiI1 | A: extended segments | X: Synaptobrevin (From Topology) | H: Synaptobrevin (From Topology) | T: Synaptobrevin | F: Synaptobrevin | ECOD (1.6) |
| K [auth E] | Synaptobrevin | e6mtiE1 | A: extended segments | X: Synaptobrevin (From Topology) | H: Synaptobrevin (From Topology) | T: Synaptobrevin | F: Synaptobrevin | ECOD (1.6) |
| G [auth A] | Synaptobrevin | e6mtiA1 | A: extended segments | X: Synaptobrevin (From Topology) | H: Synaptobrevin (From Topology) | T: Synaptobrevin | F: Synaptobrevin | ECOD (1.6) |
| AA [auth U] | Synaptobrevin | e6mtiU1 | A: extended segments | X: Synaptobrevin (From Topology) | H: Synaptobrevin (From Topology) | T: Synaptobrevin | F: Synaptobrevin | ECOD (1.6) |
| F [auth 6] | C2_2 | e6mti61 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: C2 domain (From Topology) | T: C2 domain | F: C2_2 | ECOD (1.6) |
| A [auth 1] | C2_2 | e6mti11 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: C2 domain (From Topology) | T: C2 domain | F: C2_2 | ECOD (1.6) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| B [auth 2], C [auth 3], D [auth 4], E [auth 5] | PF00168 | C2 domain (C2) | C2 domain | Domain | |
| PF00957 | Synaptobrevin (Synaptobrevin) | Synaptobrevin | The entry represents the entire v-SNARE coiled-coil homology domain. The process of vesicular membrane fusion in eukaryotic cells depends on a conserved fusion machinery called SNARE (soluble N-ethylmaleimide-sensitive factor (NSF) attachment protein ... | Domain | |
| PF05739 | SNARE domain (SNARE) | SNARE domain | Most if not all vesicular membrane fusion events in eukaryotic cells are believed to be mediated by a conserved fusion machinery, the SNARE [soluble N-ethylmaleimide-sensitive factor (NSF) attachment protein (SNAP) receptors] machinery. The SNARE dom ... | Domain | |
| A [auth 1], F [auth 6] | PF00168 | C2 domain (C2) | C2 domain | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family |
|---|---|---|---|---|---|
| OPM | Monotopic/peripheral | All beta monotopic/peripheral | C2 domain | C2 domain |
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | SNARE Protein Family | Synaptotagmin-1 C2A, C2B domains and SNARE-pin proteins |














