Immunogen sequence: ESEDGMRTRPG DGSHRRGQSP LPRQRFPVPD SVLNMFPGTE EGPEDDSTKH GGRVRTFPHE RGNWATHVYV PYEAKEEFLD LLD Highest antigen sequence identity to the following orthologs - mouse 70%, rat 75%. C16orf57 is a phosphodiesterase responsible for the U6 snR