has material basis in germline mutation in disease has basis in disruption of disease caused by disruption of G6PC1 glucose-6-phosphatase activity disorder of glycogen metabolism glycogen storage disease I glycogen storage disease due to glucose-6-phosphatase deficiency type IA https://github.com/monarch-initiative/mondo/issues/4985 GSD type 1a glycogenosis type Ia NANDO:2201153 OMIM:232200 GSD due to G6P deficiency type 1a Orphanet:79258 MEDGEN:415885 G6P deficiency type 1a GSD due to G6P deficiency type Ia MESH:C538655 GSD1A glycogenosis due to glucose-6-phosphatase deficiency type 1a Glycogenosis due to glucose-6-phosphatase deficiency (G6P) type a, or glycogen storage disease (GSD) type 1a, is a type of glycogenosis due to G6P deficiency. MONDO:0009287 DOID:2749 glycogen storage disease caused by mutation in G6PC glycogenosis due to glucose-6-phosphatase deficiency type Ia glycogen storage disease due to G6P deficiency type Ia glycogen storage disease Ia GSD1 G6PC glycogen storage disease glycogen storage disease type 1a glucose-6-phosphatase deficiency glycogen storage disease glycogen storage disease 1A GSDIa glycogen storage disease type Ia UMLS:C2919796 SCTID:444707001 GARD:0007864