RGD Reference Report - Molecular cloning and characterization of mammalian homologues of vesicle-associated membrane protein-associated (VAMP-associated) proteins. - Rat Genome Database

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Molecular cloning and characterization of mammalian homologues of vesicle-associated membrane protein-associated (VAMP-associated) proteins.

Authors: Nishimura, Y  Hayashi, M  Inada, H  Tanaka, T 
Citation: Nishimura Y, etal., Biochem Biophys Res Commun 1999 Jan 8;254(1):21-6.
RGD ID: 61779
Pubmed: PMID:9920726   (View Abstract at PubMed)
DOI: DOI:10.1006/bbrc.1998.9876   (Journal Full-text)

We have identified human and rat homologues of the VAMP-associated protein (VAP) of 33 kDa of Aplysia californica (aVAP-33), which we designated VAP-A, VAP-B, and VAP-C. Human VAP-A (hVAP-A) was found to be identical to the recently reported protein hVAP-33, with the exception of two amino acid residues. VAP-B contained a coiled-coil domain and a transmembrane domain (TMD). Human VAP-B (hVAP-B) was 46 and 60% homologous of the amino acid level to aVAP-33 and hVAP-A, respectively. Human VAP-C was a splicing variant of hVAP-B, lacking both the coiled-coil domain and the TMD. hVAP-B had VAMP-binding ability. Moreover, hVAP-A and hVAP-B associated with each other through their respective TMDs. These results suggest that complex formation by VAPs might be important in the trafficking of mammalian vesicle.

Gene Ontology Annotations    Click to see Annotation Detail View

Molecular Function
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
protein-containing complex binding  IDA 61779heterodimerizationRGD 

Objects Annotated

Genes (Rattus norvegicus)
Vapa  (VAMP associated protein A)

Objects referenced in this article
Gene VAPA VAMP associated protein A Homo sapiens
Gene VAPB VAMP associated protein B and C Homo sapiens
Gene Vapb VAMP associated protein B and C Rattus norvegicus

Additional Information