Immunogen sequence: DWCQQLGLST NGKKIEVYLR LHRHAYPEQR QDMPEMSQET RLQRCSRKRK AVTKRARLQR SYEMNERAEE TNTVEVITSA PG Highest antigen sequence identity to the following orthologs: Mouse - 37%, Rat - 28%. DPPA2 may play a role in maintaining cell pluripotentiali