has material basis in germline mutation in PHKG2 disorder of glycogen metabolism glycogen storage disease IXc https://www.malacards.org/card/glycogen_storage_disease_ixc glycogen storage disease IXc DOID:0111043 NANDO:1200849 A liver PhK deficiency caused by variants in the PHKG2 gene GSD type IXc PHKG2 glycogen storage disease OMIM:613027 UMLS:C2751643 GSD9C glycogen storage disease caused by mutation in PHKG2 MESH:C567809 MEDGEN:442778 GARD:0018387 MONDO:0013091 PHKG2-related glycogen storage disease type IX NANDO:2201166 glycogen storage disease type IXc GSD type 9C glycogen storage disease due to liver phosphorylase kinase deficiency glycogen storage disease IX