OBA_2053453 (GSTA1/RBP5 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of glutathione S-transferase A1 (human) in blood to amount of retinol-binding protein 5 (human) in blood. Also known as: the ratio of amount of glutathione S-transferase A1 (human) in blood to amount of retinol-binding protein 5 (human) in blood.