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Table of Pairwise Domain-Domain Interactions for the domain:

Interacting Domains ↕CD ↕ Accession (External Link)Description ↕
SNAP-25pfam00835SNAP-25 family. SNAP-25 (synaptosome-associated protein 25 kDa) proteins are components of SNARE complexes. Members of this family contain a cluster of cysteine residues that can be palmitoylated for membrane attachment.
SNAREpfam05739SNARE 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 domain is thought to act as a protein-protein interaction module in the assembly of a SNARE protein complex.
Synaphinpfam05835Synaphin protein. This family consists of several eukaryotic synaphin 1 and 2 proteins. Synaphin/complexin is a cytosolic protein that preferentially binds to syntaxin within the SNARE complex. Synaphin promotes SNAREs to form precomplexes that oligomerise into higher order structures. A peptide from the central, syntaxin binding domain of synaphin competitively inhibits these two proteins from interacting and prevents SNARE complexes from oligomerising. It is thought that oligomerisation of SNARE complexes into a higher order structure creates a SNARE scaffold for efficient, regulated fusion of synaptic vesicles. Synaphin promotes neuronal exocytosis by promoting interaction between the complementary syntaxin and synaptobrevin transmembrane regions that reside in opposing membranes prior to fusion.
V-SNAREpfam05008Vesicle transport v-SNARE protein N-terminus. V-SNARE proteins are required for protein traffic between eukaryotic organelles. The v-SNAREs on transport vesicles interact with t-SNAREs on target membranes in order to facilitate this. This domain is the N-terminal half of the V-Snare proteins.

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