Enzyme deficiency in McArdle syndrome
Correct Answer: Muscle phosphorylase
Description: Glycogen storage disorderTypeNameEnzyme DeficiencyClinical FeaturesType VMyophosphorylase deficiency,McArdle syndromeMuscle phosphorylasePoor exercise tolerance; muscle glycogen abnormally high(2.5%-4%); blood lactate very low after exerciseRef: Harper&;s Biochemistry; 30th edition; Table 18-2; Chapter 18; Metabolism of Glycogen
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Biochemistry
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