NCIt definition : Methylenetetrahydrofolate reductase (656 aa, 75 kDa) is encoded by the human MTHFR
gene. This protein plays a role in folate metabolism.;
NCIt note : EC 1.5.1.20 created 1978 as EC 1.1.1.171, transferred 1984 to EC 1.5.1.20. (from IUBMB).;