A compound attribute that is the ratio of amount of RWD domain-containing protein 1 (human) in blood to amount of vacuolar protein sorting-associated protein VTA1 homolog (human) in blood. The trait is OBA_2053314 (RWDD1/VTA1 protein level ratio in blood). Also known as: the ratio of amount of RWD domain-containing protein 1 (human) in blood to amount of vacuolar protein sorting-associated protein VTA1 homolog (human) in blood.