Immunogen sequence: IPRISQAEEE DQQLLGHLLL VAKQTAKAEG LGDGYRLVIN DGKLGAQSVY HLHIHVLGGR QLQWP Highest antigen sequence identity to the following orthologs: Mouse - 88%, Rat - 89%. Histidine triad proteins, such as HINT2, are nucleotide hydrolases and trans