A compound attribute that is the ratio of amount of protein disulfide isomerase CRELD2 (human) in blood to amount of nucleobindin-2 (human) in blood. The trait is OBA_2054488 (CRELD2/NUCB2 protein level ratio in blood). Also known as: the ratio of amount of protein disulfide isomerase CRELD2 (human) in blood to amount of nucleobindin-2 (human) in blood.