Immunogen sequence: PKPALQPELPT QEDPTPEILS ESVGEKQENG AVVPLQAGDG EEGPAPEPHS PPSKKSPPAN GAPPRVLQQL VEEDRMRRAH SGHPGSPRGS LSRHPSSQLA GPGVEGGEGT QKPRDY Highest antigen sequence identity to the following orthologs - mouse 88%, rat 87%. The proline-rich trans