Glycogen Storage Disease Ixb, also known as gsd9b, is related to glycogen storage disease ixd and phosphorylase kinase deficiency, and has symptoms including diarrhea An important gene associated with Glycogen Storage Disease Ixb is PHKB (Phosphorylase Kinase Regulatory Subunit Beta), and among its related pathways/superpathways are Metabolism and Activation of cAMP-Dependent PKA. Affiliated tissues include liver and skeletal muscle, and related phenotypes are hepatomegaly and hypertriglyceridemia