Glycogen phosphorylase isoenzyme BB (GPBB)

Glycogen phosphorylase isoenzyme BB (GPBB) is an isoenzyme of glycogen phosphorylase. Glycogen phosphorylase catalyzes the first step in the breakdown of glycogen to glucose. The enzyme exists as a homodimer of liver (L), muscle (M), or brain (B) subunits.Th BB isoenzyme exists in cardiac and brain tissue and is a sensitive marker for acute myocardial infarction.

Swiss-Prot Accession Number: P11216

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This analyte is not currently part of Myriad RBM's testing menu.