OBA_2054830 (CALCOCO1/CRACR2A protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of calcium-binding and coiled-coil domain-containing protein 1 (human) in blood to amount of EF-hand calcium-binding domain-containing protein 4B (human) in blood. Also known as: the ratio of amount of calcium-binding and coiled-coil domain-containing protein 1 (human) in blood to amount of EF-hand calcium-binding domain-containing protein 4B (human) in blood.