3543174 MTHFR methylenetetrahydrofolate reductase 4730 3035494 MetF methylenetetrahydrofolate reductase 7 284356 MR methylenetetrahydrofolate reductase 5 3543637 MTHRF methylenetetrahydrofolate reductase 4 3086758 MTFR methylenetetrahydrofolate reductase 2 3099587 MTHFR-T methylenetetrahydrofolate reductase 2 3087221 MTHR methylene tetrahydrofolate reductase 2 3543703 MTHTR methylenetetrahydrofolate reductase 2 3543208 MTHER methylenetetrahydrofolate reductase 1 3087307 MTHF methylenetetrahydrofolate reductase 1 1238571 Met methylenetetrahydrofolate reductase 1