Contributes to the de novo mitochondrial thymidylate biosynthesis pathway. Required to prevent uracil accumulation in mtDNA. Interconversion of serine and glycine. Associates with mitochondrial DNA. Belongs to the SHMT family. 3 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Amino Acid Metabolism - glycine, serine and threonine; Cofactor and Vitamin Metabolism - one carbon pool by folate; EC 18.104.22.168; Energy Metabolism - methane; Methyltransferase; Mitochondrial; Other Amino Acids Metabolism - cyanoamino acid