OBA_2054020 (PKLR/PSMD9 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of pyruvate kinase PKLR (human) in blood to amount of 26S proteasome non-ATPase regulatory subunit 9 (human) in blood. Also known as: the ratio of amount of pyruvate kinase PKLR (human) in blood to amount of 26S proteasome non-ATPase regulatory subunit 9 (human) in blood.