OBA_2053781 (FXYD5/TANK protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of FXYD domain-containing ion transport regulator 5 (human) in blood to amount of TRAF family member-associated NF-kappa-B activator (human) in blood. Also known as: the ratio of amount of FXYD domain-containing ion transport regulator 5 (human) in blood to amount of TRAF family member-associated NF-kappa-B activator (human) in blood.