Immunogen sequence: SAKQGDRENFR KAKQKLGFSS SDPDRMFVEL SNSSWSEMSP WVIGTNYTLY PMTPAIEQRL ILQYLTPLGE YQELLPIFMQ LGSRELMMFY IDLKQTNDVL L Highest antigen sequence identity to the following orthologs - mouse 98%, rat 98%. Acts both as a substrate recognition c