Immunogen sequence: PGFAHVSGQKC LTSTEIMRIQ RETDFLKCAH CLAPRPSDPF ARFCQECGSP VPPIFGCRLP PPEGAQMGLC AECRSLVPMN TPICVVCE Highest antigen sequence identity to the following orthologs - mouse 90%, rat 90%. This gene contains two ankyrin repeat-encoding region