Annotations: 1L4A

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1l4aa_	Coiled coil proteins	Parallel coiled-coil	SNARE fusion complex	SNARE fusion complex	Synaptobrevin	(Doryteuthis pealeii ) [TaxId: 1051067 ],	SCOPe (2.08)
B	d1l4ab1	Coiled coil proteins	Parallel coiled-coil	SNARE fusion complex	SNARE fusion complex	Syntaxin 1A	(Doryteuthis pealeii ) [TaxId: 1051067 ],	SCOPe (2.08)
B	d1l4ab2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Doryteuthis pealeii ) [TaxId: 1051067 ],	SCOPe (2.08)
C	d1l4ac_	Coiled coil proteins	Parallel coiled-coil	SNARE fusion complex	SNARE fusion complex	Synaptosomal-associated protein SNAP-25	(Doryteuthis pealeii ) [TaxId: 1051067 ],	SCOPe (2.08)
D	d1l4ad_	Coiled coil proteins	Parallel coiled-coil	SNARE fusion complex	SNARE fusion complex	Synaptosomal-associated protein SNAP-25	(Doryteuthis pealeii ) [TaxId: 1051067 ],	SCOPe (2.08)
E	d1l4ae_	Coiled coil proteins	Parallel coiled-coil	SNARE fusion complex	SNARE fusion complex	Synaphin	(Doryteuthis pealeii ) [TaxId: 1051067 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	SNARE fusion complex	8028660	4003812	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SNARE fusion complex	8041039	3001549	SCOP2 (2022-06-29)
B	SCOP2 Family	SNARE fusion complex	8028661	4003812	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	SNARE fusion complex	8041040	3001549	SCOP2 (2022-06-29)
C	SCOP2 Family	SNARE fusion complex	8028663	4003812	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	SNARE fusion complex	8041042	3001549	SCOP2 (2022-06-29)
E	SCOP2 Family	SNARE fusion complex	8028667	4003812	SCOP2 (2022-06-29)
E	SCOP2 Superfamily	SNARE fusion complex	8041046	3001549	SCOP2 (2022-06-29)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.110	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	1.20.5.110	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C	1.20.5.110	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
D	1.20.5.110	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00957	Synaptobrevin (Synaptobrevin)	Synaptobrevin	-	Family
B	PF05739	SNARE domain (SNARE)	SNARE domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	SYNAPTOBREVIN	protein binding binding SNARE binding syntaxin binding SNAP receptor activity protein-macromolecule adaptor activity molecular adaptor activity	membrane organization protein-containing complex organization transport membrane fusion organelle membrane fusion establishment of localization vesicle-mediated transport cellular component organization cellular component biogenesis vesicle organization organelle fusion localization organelle organization cellular component assembly protein-containing complex assembly membrane organization protein-containing complex organization transport membrane fusion organelle membrane fusion establishment of localization vesicle-mediated transport cellular component organization cellular component biogenesis vesicle organization organelle fusion localization organelle organization cellular component assembly protein-containing complex assembly SNARE complex assembly cellular process cellular component organization or biogenesis vesicle fusion	SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm cell periphery plasma membrane membrane-bounded organelle synapse intracellular vesicle transport vesicle membrane endomembrane system SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm cell periphery plasma membrane membrane-bounded organelle synapse intracellular vesicle transport vesicle membrane endomembrane system intracellular organelle presynapse bounding membrane of organelle cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane cell junction vesicle transport vesicle exocytic vesicle membrane intracellular membrane-bounded organelle cytoplasmic vesicle membrane organelle secretory vesicle organelle membrane exocytic vesicle cell projection neuron projection plasma membrane bounded cell projection
B	S-SYNTAXIN	protein binding binding SNARE binding SNAP receptor activity protein-macromolecule adaptor activity molecular adaptor activity	protein localization cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process intracellular protein transport protein localization cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process intracellular protein transport regulated exocytosis signaling membrane fusion organelle membrane fusion synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse vesicle organization cellular component organization synaptic signaling secretion by cell signal release cellular component organization or biogenesis endomembrane system organization vesicle fusion to plasma membrane membrane organization trans-synaptic signaling regulation of biological process neurotransmitter secretion secretion biological regulation export from cell cell-cell signaling synaptic vesicle fusion to presynaptic active zone membrane neurotransmitter transport chemical synaptic transmission organelle fusion signal release from synapse organelle organization exocytosis anterograde trans-synaptic signaling synaptic vesicle membrane organization exocytic process vesicle fusion organelle localization by membrane tethering organelle localization vesicle docking membrane docking	SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm membrane-bounded organelle transport vesicle synapse intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm membrane-bounded organelle transport vesicle synapse intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle presynapse cytoplasmic vesicle synaptic vesicle organelle cell junction secretory vesicle vesicle exocytic vesicle plasma membrane presynaptic active zone membrane presynaptic membrane synaptic membrane cell periphery plasma membrane region presynaptic active zone
C	S-SNAP25 fusion protein	protein binding binding SNARE binding syntaxin binding SNAP receptor activity protein-macromolecule adaptor activity molecular adaptor activity	cellular localization regulated exocytosis transport signaling membrane fusion organelle membrane fusion synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse vesicle organization cellular component organization localization synaptic signaling cellular localization regulated exocytosis transport signaling membrane fusion organelle membrane fusion synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse vesicle organization cellular component organization localization synaptic signaling secretion by cell signal release establishment of localization in cell cellular component organization or biogenesis endomembrane system organization vesicle fusion to plasma membrane membrane organization trans-synaptic signaling regulation of biological process neurotransmitter secretion secretion biological regulation export from cell cell-cell signaling synaptic vesicle fusion to presynaptic active zone membrane neurotransmitter transport establishment of localization chemical synaptic transmission organelle fusion signal release from synapse organelle organization exocytosis anterograde trans-synaptic signaling synaptic vesicle membrane organization exocytic process cellular process vesicle fusion synaptic vesicle priming cellular component biogenesis cellular component assembly protein-containing complex assembly protein-containing complex organization	SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm cell periphery plasma membrane presynapse synapse cell junction cell projection neuron projection SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm cell periphery plasma membrane presynapse synapse cell junction cell projection neuron projection plasma membrane bounded cell projection
D	S-SNAP25 fusion protein	protein binding binding SNARE binding syntaxin binding SNAP receptor activity protein-macromolecule adaptor activity molecular adaptor activity	cellular localization regulated exocytosis transport signaling membrane fusion organelle membrane fusion synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse vesicle organization cellular component organization localization synaptic signaling cellular localization regulated exocytosis transport signaling membrane fusion organelle membrane fusion synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse vesicle organization cellular component organization localization synaptic signaling secretion by cell signal release establishment of localization in cell cellular component organization or biogenesis endomembrane system organization vesicle fusion to plasma membrane membrane organization trans-synaptic signaling regulation of biological process neurotransmitter secretion secretion biological regulation export from cell cell-cell signaling synaptic vesicle fusion to presynaptic active zone membrane neurotransmitter transport establishment of localization chemical synaptic transmission organelle fusion signal release from synapse organelle organization exocytosis anterograde trans-synaptic signaling synaptic vesicle membrane organization exocytic process cellular process vesicle fusion synaptic vesicle priming cellular component biogenesis cellular component assembly protein-containing complex assembly protein-containing complex organization	SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm cell periphery plasma membrane presynapse synapse cell junction cell projection neuron projection SNARE complex protein-containing complex intracellular anatomical structure membrane membrane protein complex cellular anatomical entity cytoplasm cell periphery plasma membrane presynapse synapse cell junction cell projection neuron projection plasma membrane bounded cell projection
E	SYNAPHIN A	protein binding binding SNARE binding syntaxin binding	cellular localization regulated exocytosis signaling transport synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse localization synaptic signaling secretion by cell signal release establishment of localization in cell cellular localization regulated exocytosis signaling transport synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse localization synaptic signaling secretion by cell signal release establishment of localization in cell trans-synaptic signaling regulation of biological process neurotransmitter secretion secretion biological regulation cell-cell signaling export from cell neurotransmitter transport establishment of localization chemical synaptic transmission signal release from synapse exocytosis anterograde trans-synaptic signaling cellular process regulation of localization regulation of cellular process modulation of chemical synaptic transmission regulation of secretion by cell regulation of signaling regulation of transport regulation of neurotransmitter transport regulation of secretion regulation of trans-synaptic signaling regulation of neurotransmitter secretion regulation of cell communication	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol SNARE complex protein-containing complex membrane membrane protein complex axon synapse neuron projection axon terminus plasma membrane bounded cell projection presynapse intracellular anatomical structure cytoplasm cellular anatomical entity cytosol SNARE complex protein-containing complex membrane membrane protein complex axon synapse neuron projection axon terminus plasma membrane bounded cell projection presynapse cell projection distal axon terminal bouton cell junction neuron projection terminus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001388	Synaptobrevin-like	Family
A	IPR042855	v-SNARE, coiled-coil homology domain	Domain
A	IPR016444	Synaptobrevin/Vesicle-associated membrane protein	Family
B	IPR006012	Syntaxin/epimorphin, conserved site	Conserved Site
B	IPR000727	Target SNARE coiled-coil homology domain	Domain
B	IPR010989	SNARE	Homologous Superfamily
B	IPR006011	Syntaxin, N-terminal domain	Domain
B	IPR045242	Syntaxin	Family
C	IPR000727	Target SNARE coiled-coil homology domain	Domain
C	IPR000928	SNAP-25 domain	Domain
D	IPR000727	Target SNARE coiled-coil homology domain	Domain
D	IPR000928	SNAP-25 domain	Domain
E	IPR008849	Synaphin	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.