PL48 is associated with cytotrophoblast and lineage-specific HL-60 cell differentiation [1]. The N-terminal part of the family is found to induce the formation of filopodia [2]. It is found in vertebrates.

1: PL48: a novel gene associated with cytotrophoblast and lineage-specific HL-60 cell differentiation. Dakour J, Li H, Morrish DW; Gene. 1997;185:153-157. PMID:9055809

2: C6ORF32 is upregulated during muscle cell differentiation and induces the formation of cellular filopodia. Yoon S, Molloy MJ, Wu MP, Cowan DB, Gussoni E; Dev Biol. 2007;301:70-81. PMID:17150207