A compound attribute that is the ratio of amount of glycogen [starch] synthase, muscle (human) in blood to amount of protein phosphatase inhibitor 2 (human) in blood. The trait is GYS1/PPP1R2 protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2053459). Also known as: the ratio of amount of glycogen [starch] synthase, muscle (human) in blood to amount of protein phosphatase inhibitor 2 (human) in blood.