Ontology of Biological Attributes id OBA_2054842 (CALCOCO1/TBC1D5 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 TBC1 domain family member 5 (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 TBC1 domain family member 5 (human) in blood.