Immunogen sequence: PISPSKRKFS MEPGDEDLDC DNDHVSKMSR IFNPHLNKTA NGDCRRDPRE RSRSPIERAV APTMSLHGSH LYTSLP Highest antigen sequence identity to the following orthologs: Mouse - 88%, Rat - 86%. Transcription cofactor vestigial-like protein 4 (VGLL4) acts as