Immunogen sequence: FTCCAFSARE RFLMLGTCTG QLKLYNVFSG QEEASYNCHN SAITHLEPSR DGSLLLTSAT WSQPLSALWG MKSVFDMKHS FTEDHYVEFS KHSQDRVIG Highest antigen sequence identity to the following orthologs: Mouse - 100%, Rat - 100%. Acts both as a substrate recognition