Immunogen sequence: VSKQDIREQI WGYMESQNLA DFPRPVHHRI PNFKGSYLAC QNIKDLDVFA RTQEVKVDPD KPLEGVRLLV LQSKKTLLVP TPRLRTGLFN KITP Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 63%. MTHFSD (Methenyltetrahydrofolate Synthetase