Golgi resident protein GCP60 (ACBD3)

Involved in the maintenance of Golgi structure by interacting with giantin, affecting protein transport between the endoplasmic reticulum and Golgi (PubMed:11590181). Involved in hormone-induced steroid biosynthesis in testicular Leydig cells (By similarity).

Recruits PI4KB into the Golgi apparatus membrane; enhances the enzyme action of PI4KB activity via its membrane recruitment thereby increasing the local concentration of the substrate in the area of the kinase (PubMed:27009356). .