ホスホリラーゼMeanings1nounphosphorylaseBiochemistry term for an enzyme that catalyzes the addition of a phosphate group from inorganic phosphate to an acceptor.ホスホリラーゼはグリコーゲンの分ぶん解かいに関かん与よする酵こう素そです。Phosphorylase is an enzyme involved in the breakdown of glycogen.