A compound attribute that is the ratio of amount of Ras GTPase-activating-like protein IQGAP2 (human) in blood to amount of syntaxin-4 (human) in blood. The trait is IQGAP2/STX4 protein level ratio in blood (OBA_2055519, an Ontology of Biological Attributes id). Also known as: the ratio of amount of Ras GTPase-activating-like protein IQGAP2 (human) in blood to amount of syntaxin-4 (human) in blood.