CC2D1A/TBCC protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2054801) 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 tubulin-specific chaperone C (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 tubulin-specific chaperone C (human) in blood.