Vps52 complexes with Vps53 and Vps54 to form the Golgi-associated retrograde protein (GARP) complex that is involved in retrograde transport from early and late endosomes to the trans-Golgi network, regulating membrane trafficking events [1,2,3,5]. It is also part of EARP (Endosome-Associated Recycling Protein) complex, involved in endocytic recycling [4]. This entry represents the C-terminal domain of Vps52, which consists of alpha-helical bundles, conserved among subunits of other multisubunit tethering complexes (MTC) such as conserved oligomeric Golgi (COG), Dsl1 and the exocyst, all belong to a family of evolutionarily conserved complexes associated with tethering containing helical rods (CATCHR). This domain may interact with the small GTPase Ypt6p/Rab6 [2].

1: Vps52p, Vps53p, and Vps54p form a novel multisubunit complex required for protein sorting at the yeast late Golgi. Conibear E, Stevens TH; Mol Biol Cell. 2000;11:305-323. PMID:10637310

2: Characterization of the human GARP (Golgi associated retrograde protein) complex. Liewen H, Meinhold-Heerlein I, Oliveira V, Schwarzenbacher R, Luo G, Wadle A, Jung M, Pfreundschuh M, Stenner-Liewen F; Exp Cell Res. 2005;306:24-34. PMID:15878329

3: Requirement of the human GARP complex for mannose 6-phosphate-receptor-dependent sorting of cathepsin D to lysosomes. Perez-Victoria FJ, Mardones GA, Bonifacino JS; Mol Biol Cell. 2008;19:2350-2362. PMID:18367545

4: EARP is a multisubunit tethering complex involved in endocytic recycling. Schindler C, Chen Y, Pu J, Guo X, Bonifacino JS; Nat Cell Biol. 2015;17:639-650. PMID:25799061

5: Vps51p mediates the association of the GARP (Vps52/53/54) complex with the late Golgi t-SNARE Tlg1p. Conibear E, Cleck JN, Stevens TH; Mol Biol Cell. 2003;14:1610-1623. PMID:12686613