Vps53 complexes with Vps52 and Vps54 to form a multisubunit complex called Golgi-Associated Retrograde Protein complex (GARP) involved in retrograde transport from early and late endosomes to late Golgi [1,2]. They are members of the CATCHR (complexes associated with tethering containing helical rods) which includes the exocyst, COG, GARP, and DSL1 complexes which have structural and functional similarities. N-terminal coiled-coil domain [2].

1: Homology and Modular Evolution of CATCHR at the Origin of the Eukaryotic Endomembrane System. Santana-Molina C, Gutierrez F, Devos DP; Genome Biol Evol. 2021; [Epub ahead of print] PMID:34061181

2: Structure of a C-terminal fragment of its Vps53 subunit suggests similarity of Golgi-associated retrograde protein (GARP) complex to a family of tethering complexes. Vasan N, Hutagalung A, Novick P, Reinisch KM; Proc Natl Acad Sci U S A. 2010;107:14176-14181. PMID:20660722