A compound attribute that is the ratio of amount of glutathione hydrolase 1 proenzyme (human) in blood to amount of neprilysin (human) in blood. The trait is OBA_2053705 (GGT1/MME protein level ratio in blood). Also known as: the ratio of amount of glutathione hydrolase 1 proenzyme (human) in blood to amount of neprilysin (human) in blood.