OBA_2054716 (ENPP2/TNFRSF11B protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of autotaxin (human) in blood to amount of tumor necrosis factor receptor superfamily member 11B (human) in blood. Also known as: the ratio of amount of autotaxin (human) in blood to amount of tumor necrosis factor receptor superfamily member 11B (human) in blood.