OBA_2053204 (PSME2/RBKS protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of proteasome activator complex subunit 2 (human) in blood to amount of ribokinase (human) in blood. Also known as: the ratio of amount of proteasome activator complex subunit 2 (human) in blood to amount of ribokinase (human) in blood.