catalytic activity:5,10-methylenetetrahydrofolate + glycine + H(2)O = tetrahydrofolate + L-serine.,cofactor:Pyridoxal phosphate.,function:Interconversion of serine and glycine.,miscellaneous:In eukaryotes there are two forms of the enzymes: a cytosolic one and a mitochondrial one.,pathway:One-carbon metabolism; tetrahydrofolate pathway.,similarity:Belongs to the SHMT family.,subunit:Homotetramer.,
Mitochondrion . Mitochondrion matrix, mitochondrion nucleoid . Mitochondrion inner membrane . Cytoplasm . Nucleus . Mainly localizes in the mitochondrion. Also found in the cytoplasm and nucleus as part of the BRISC complex (PubMed:24075985). .