Immunogen sequence: APFDKKCGRE NWTVAFAPDG SYFAWSQGHR TVKLVPWSQC LQNFLLHGTK NVTNSSSLRL PRQNSDGGQK NKPREHIIDC GDIVWSLAFG SSVPEKQSRC VNIEWHRFRF GQDQLLLATG LNNGRIKIWD V Highest antigen sequence identity to the following orthologs: Mouse - 91%, Rat - 93%. WSB