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 mitogen-activated protein kinase kinase kinase 5 (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2054837 (CALCOCO1/MAP3K5 protein level ratio 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 mitogen-activated protein kinase kinase kinase 5 (human) in blood.