HIBBJ 46, HIBBJ46, PFD 3, PFD3, PFD3_HUMAN, PFDN 3, Prefoldin 3, Prefoldin subunit 3, Prefoldin3, VBP 1, VBP-1, VBP1, VHL binding protein 1, VHL-binding protein 1, Von Hippel Lindau binding protein 1, Von Hippel-Lindau-binding protein 1.
Binds specifically to cytosolic chaperonin (c-CPN) and transfers target proteins to it. Binds to nascent polypeptide chain and promotes folding in an environment in which there are many competing pathways for nonnative proteins.