This family includes human protein C4orf46, also known as renal cancer differentiation gene 1 protein (RCDG1) [1].

1: Expression and clinical significance of RCDG1 in renal cell carcinoma: a novel renal cancerassociated gene. Yu Z, Ni L, Chen D, Su Z, Yu W, Zhang Q, Wang Y, Li C, Gui Y, Lai Y; Mol Med Rep. 2014;10:1583-1589. PMID:25059753