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 tight junction-associated protein 1 (human) in blood. The trait is CALCOCO1/TJAP1 protein level ratio in blood (OBA_2054843). Also known as: the ratio of amount of calcium-binding and coiled-coil domain-containing protein 1 (human) in blood to amount of tight junction-associated protein 1 (human) in blood.