A compound attribute that is the ratio of amount of DNA repair nuclease/redox regulator APEX1 (human) in blood to amount of signal recognition particle 14 kDa protein (human) in blood. The trait is OBA_2055173 (APEX1/SRP14 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 signal recognition particle 14 kDa protein (human) in blood.