A compound attribute that is the ratio of amount of protein HEXIM1 (human) in blood to amount of SRSF protein kinase 2 (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2053019 (HEXIM1/SRPK2 protein level ratio in blood). Also known as: the ratio of amount of protein HEXIM1 (human) in blood to amount of SRSF protein kinase 2 (human) in blood.