A compound attribute that is the ratio of amount of DNA repair nuclease/redox regulator APEX1 (human) in blood to amount of lymphocyte-specific protein 1 (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2055168 (APEX1/LSP1 protein level ratio in blood). Also known as: the ratio of amount of DNA repair nuclease/redox regulator APEX1 (human) in blood to amount of lymphocyte-specific protein 1 (human) in blood.