A compound attribute that is the ratio of amount of GMP reductase 1 (human) in blood to amount of proteasome assembly chaperone 3 (human) in blood. The trait is OBA_2053673 (GMPR/PSMG3 protein level ratio in blood). Also known as: the ratio of amount of GMP reductase 1 (human) in blood to amount of proteasome assembly chaperone 3 (human) in blood.