Immunogen sequence: RHCPKHPYARL KREEPTDTLS KHQAADNKAA AEWLARYWEM REQRTPTLKG KLVQKADQEQ QDPLEYLQSD EEDDEKRGAQ RRLQEQRERL HGALALIELA NLTG Highest antigen sequence identity to the following orthologs - mouse 95%, rat 96%. Transcriptional activator. Isoform