UNC119_bdg is a family of eukaryotic proteins that probably plays a role in trafficking of proteins, via interaction with unc119 family cargo adapters. The family may play a role in ciliary membrane localisation.

1: An ARL3-UNC119-RP2 GTPase cycle targets myristoylated NPHP3 to the primary cilium. Wright KJ, Baye LM, Olivier-Mason A, Mukhopadhyay S, Sang L, Kwong M, Wang W, Pretorius PR, Sheffield VC, Sengupta P, Slusarski DC, Jackson PK; Genes Dev. 2011;25:2347-2360. PMID:22085962