Predicted to enable enzyme activator activity. Predicted to be involved in protein N-linked glycosylation via arginine. Part of oligosaccharyltransferase complex. Is expressed in central nervous system; embryo; retina; retina inner nuclear layer; and retina outer nuclear layer. Orthologous to human KRTCAP2 (keratinocyte associated protein 2). [provided by Alliance of Genome Resources, Apr 2022]