Methionine Synthase Reductase

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Methionine synthase reductase (725 aa, ~80 kDa) is encoded by the human MTRR gene. This protein plays a role in both methionine biosynthesis and B vitamin metabolism.

**Synonyms:** - 5-Methyltetrahydrofolate-Homocysteine Methyltransferase Reductase - EC 1.16.1.8 - MSR - MTRR