A compound attribute that is the ratio of amount of early activation antigen CD69 (human) in blood to amount of nuclear factor of activated T-cells, cytoplasmic 1 (human) in blood. The trait is Ontology of Biological Attributes id OBA_2053350 (CD69/NFATC1 protein level ratio in blood). Also known as: the ratio of amount of early activation antigen CD69 (human) in blood to amount of nuclear factor of activated T-cells, cytoplasmic 1 (human) in blood.