S20G (p.Ser20Gly) variant of MTHFR (P42898)

S20G (p.Ser20Gly) in MTHFR (P42898) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as uncertain significance in the context of Homocystinuria due to methylene tetrahydrofolate reductase deficiency. The record also includes published literature and structural context.

S20G (p.Ser20Gly) variant details