Immunogen sequence: LVSEVDRVME EFNLTTFYQD PSFHLSLAWC VGDARLQLEG QCLQELQAIV DGFEDAEVLL RVHTEQVRCK SGNKFFSM Highest antigen sequence identity to the following orthologs: Mouse - 85%, Rat - 86%. C16orf57 is a phosphodiesterase responsible for the U6 snRNA 3