A rab protein is required for the assembly of SNARE complexes in the docking of transport vesicles.
Sgaard M, Tani K, Ye RR, Geromanos S, Tempst P, Kirchhausen T, Rothman JE, Sollner T, Cell, 1994 Sep 23 - link

A protein assembly-disassembly pathway in vitro that may correspond to sequential steps of synaptic vesicle docking, activation, and fusion.
Sollner T, Bennett MK, Whiteheart SW, Scheller RH, Rothman JE, Cell, 1993 Nov 5 - link