. "FUNCTION: Involved in the targeting and/or fusion of transport vesicles to their target membrane. SUBUNIT: Interacts with VAPA and VAPB. SUBCELLULAR LOCATION: Isoform 1: Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane; Single-pass type IV membrane protein (By similarity). Cell junction, synapse, synaptosome (By similarity). SUBCELLULAR LOCATION: Isoform 2: Cytoplasmic vesicle membrane; Single-pass type IV membrane protein (By similarity). Cell junction, synapse, synaptosome (By similarity). SUBCELLULAR LOCATION: Isoform 3: Mitochondrion outer membrane; Single-pass type IV membrane protein. ALTERNATIVE PRODUCTS: Event=Alternative splicing; Named isoforms=3; Name=1; Synonyms=VAMP-1A; IsoId=P23763-1; Sequence=Displayed; Name=2; IsoId=P23763-3; Sequence=VSP_029185; Name=3; Synonyms=VAMP-1B; IsoId=P23763-2; Sequence=VSP_006325; TISSUE SPECIFICITY: Nervous system, skeletal muscle and adipose tissue. SIMILARITY: Belongs to the synaptobrevin family. SIMILARITY: Contains 1 v-SNARE coiled-coil homology domain. GENE SYNONYMS:VAMP1 SYB1. COPYRIGHT: Protein annotation is derived from the UniProt Consortium (http://www.uniprot.org/). Distributed under the Creative Commons Attribution-NoDerivs License."^^ . "SEQUENCE 118 AA; 12902 MW; 64CE9615447B686B CRC64;"^^ . . . . . . . . . . . . . "VAMP1_HUMAN"^^ . "Synaptobrevin-1"^^ . "VAMP-1"^^ . "VAMP1"^^ . . . "MSAPAQPPAEGTEGTAPGGGPPGPPPNMTSNRRLQQTQAQVEEVVDIIRVNVDKVLERDQKLSELDDRADALQAGASQFESSAAKLKRKYWWKNCKMMIMLGAICAIIVVVIVIYFFT"^^ . "Vesicle-associated membrane protein 1"^^ .