A compound attribute that is the ratio of amount of RWD domain-containing protein 1 (human) in blood to amount of inactive C-alpha-formylglycine-generating enzyme 2 (human) in blood. The trait is OBA_2053312 (RWDD1/SUMF2 protein level ratio in blood). Also known as: the ratio of amount of RWD domain-containing protein 1 (human) in blood to amount of inactive C-alpha-formylglycine-generating enzyme 2 (human) in blood.