This protein may be involved in lens epithelial cell differentiation [1-2].

1: A novel lens epithelium gene, LEP503, is highly conserved in different vertebrate species and is developmentally regulated in postnatal rat lens. Wen Y, Sachs G, Athmann C; Exp Eye Res. 2000;70:159-168. PMID:10655141

2: Functional analysis of the promoter and chromosomal localization for human LEP503, a novel lens epithelium gene. Wen Y, Ibaraki N, Reddy VN, Sachs G; Gene. 2001;269:61-71. PMID:11376938