S77C (p.Ser77Cys) variant of GCH1 (GTP cyclohydrolase 1)
S77C (p.Ser77Cys) in GCH1 (GTP cyclohydrolase 1) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as uncertain significance in the context of Dystonia 5; GTP cyclohydrolase I deficiency. The available variant effect predictions contribute to a CATVariant prioritization score of 0.58 / 1. The record also includes population frequency data, published literature, and structural context.
S77C (p.Ser77Cys) variant details
- p.Ser77Cys
- rs748666093
- ClinGen CA7193659
- ClinVar RCV000699697
- ExAC rs748666093
- Uncertain significance
- Dystonia 5; GTP cyclohydrolase I deficiency
- Missense
- Variant Prioritization Score for Impact Estimate 0.581
- REVEL 0.55
- CADD 24.90
- PolyPhen-2 0.01
- SIFT 0.02
- ClinVar: Uncertain significance (Dystonia 5; GTP cyclohydrolase I deficiency)
- EBI: Variant of uncertain significance
- UniProt: Uncertain significance
- Most common in the 1KG:MSL population (allele frequency 0.013)
- Structural context available
- Cited in: GTP Cyclohydrolase 1-Deficient Dopa-Responsive Dystonia. (PMID 20301681)
- Cited in: EFNS guidelines on diagnosis and treatment of primary dystonias. (PMID 20482602)