Immunogen sequence: ELNWSLLPEDA VVQDYVPIPT TEELKAVRVS TEANRSIVPI SRGQRQKSSD ESCLVVLFAG DYTIANARKL IDEMVGKGFF LVQTKEVSMK AEDAQRVFRE KAPDFLPLLN KGPVIALE Highest antigen sequence identity to the following orthologs - mouse 88%, rat 87%. The RP2 locus has be