G201R (p.Gly201Arg) variant of GCH1 (GTP cyclohydrolase 1)

G201R (p.Gly201Arg) in GCH1 (GTP cyclohydrolase 1) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as pathogenic in the context of GTP cyclohydrolase I deficiency; Dystonia 5. The record also includes published literature and structural context.

G201R (p.Gly201Arg) variant details