Immunogen sequence: SKAKPNGKKP AAEERKAYLE PEHTKARITD FQFKELVVLP REIDLNEWLA SNTTTFFHHI NLQYSTISEF CT Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 94%. HCCA2 binds to and stimulates the kinase activity of the related hum