title: Requirement of divalent cation for human platelet phosphorylase activity.
mesh_terms: D000227:Adenine Nucleotides; D000255:Adenosine Triphosphate; D001792:Blood Platelets / Q000201:enzymology*; D002118:Calcium; D002499:Centrifugation, Density Gradient; D004492:Edetic Acid; D004789:Enzyme Activation; D005964:Glucosyltransferases / Q000097:blood; D005994:Glycerophosphates; D006003:Glycogen; D006801:Humans; D007700:Kinetics; D008274:Magnesium; D008345:Manganese; D013324:Strontium; D014461:Ultracentrifugation
chemical_list: D000227:Adenine Nucleotides; D005994:Glycerophosphates; D008345:Manganese; D000255:Adenosine Triphosphate; D006003:Glycogen; D004492:Edetic Acid; D005964:Glucosyltransferases; D008274:Magnesium; D002118:Calcium; D013324:Strontium