Source:http://linkedlifedata.com/resource/umls/id/C3158845
GO: A protein complex that functions as a guanine nucleotide exchange factor (GEF) and converts Rab-GDP to Rab-GTP. In S. cerevisiae, this complex consists of at least Mon1 and Ccz1, and serves as a GEF for the Rab Ypt7p. [GOC:rb, PMID:20797862]