Immunogen sequence: QVLELDHVSEI TQEVAAEVCR EGLKGLEMLV LTATPVTPKA LLHFNSICRN LKSIVVQIGI ADYFKEPSSP EAQKLFEDMV TKLQALRRRP GFSKILH Highest antigen sequence identity to the following orthologs - mouse 100%, rat 100%. Substrate-recognition component of the SC