Complexin

spinqualitylabelsall models Human complexin (magenta) as part of the SNARE complex (VAMP2 - grey; syntaxin - green; SNAP25 (pink and yellow) (PDB entry 3rk3) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Complexin (CPLX) is the protein which binds the SNARE protein complex with high affinity. CPLX acts as both inhibitor and facilitator of vescicle fusion and neurotransmitter release at the synapse. CPLX clamps SNARE complexes to prevent vescicle fusion while in another conformation it releases the SNARE complex allowing fusion.

3D structures of complexin

Updated on 14-December-2015

1kil – CPLX + SNARE – rat

3rk3, 3rl0 - CPLX + SNARE – human

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Michal Harel, Alexander Berchansky