A compound attribute that is the ratio of amount of adenylate kinase isoenzyme 1 (human) in blood to amount of 26S proteasome non-ATPase regulatory subunit 9 (human) in blood. The trait is OBA_2053716 (AK1/PSMD9 protein level ratio in blood). Also known as: the ratio of amount of adenylate kinase isoenzyme 1 (human) in blood to amount of 26S proteasome non-ATPase regulatory subunit 9 (human) in blood.