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Aminoacidopathy v1.20 GAMT Zornitza Stark Marked gene: GAMT as ready
Aminoacidopathy v1.20 GAMT Zornitza Stark Gene: gamt has been classified as Green List (High Evidence).
Aminoacidopathy v1.20 GAMT Zornitza Stark Classified gene: GAMT as Green List (high evidence)
Aminoacidopathy v1.20 GAMT Zornitza Stark Gene: gamt has been classified as Green List (High Evidence).
Aminoacidopathy v1.18 GAMT Sangavi Sivagnanasundram gene: GAMT was added
gene: GAMT was added to Aminoacidopathy. Sources: ClinGen
Mode of inheritance for gene: GAMT was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: GAMT were set to 20301745; 17466557; 16293431; 12701824; 2441567
Phenotypes for gene: GAMT were set to guanidinoacetate methyltransferase deficiency MONDO:0012999
Review for gene: GAMT was set to GREEN
Added comment: Classified Definitive by ClinGen Aminoacidopathy GCEP on 25/01/2019 - https://search.clinicalgenome.org/CCID:004917

Well established gene-disease association.
Reported as an inborn error of creatine metabolism.
The two most commonly reported variants are p.Trp20Ser (c.59G>C) and c.327G>A (p.Lys109=). Both variants are pathogenic on ClinVar (>2 stars) and is classified pathogenic by the ClinGen Cerebral Creatine Deficiency Syndromes Variant Curation Expert Panel (FDA recognised database).
Sources: ClinGen