CC2D1A/CDKN1A protein level ratio in blood (OBA_2054797) can be described as follows. A compound attribute that is the ratio of amount of coiled-coil and C2 domain-containing protein 1A (human) in blood to amount of cyclin-dependent kinase inhibitor 1 (human) in blood. Also known as: the ratio of amount of coiled-coil and C2 domain-containing protein 1A (human) in blood to amount of cyclin-dependent kinase inhibitor 1 (human) in blood.