Ontology of Biological Attributes identifier OBA_2054118 (ATP5IF1/CD69 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of ATPase inhibitor, mitochondrial (human) in blood to amount of early activation antigen CD69 (human) in blood. Also known as: the ratio of amount of ATPase inhibitor, mitochondrial (human) in blood to amount of early activation antigen CD69 (human) in blood.