Ontology of Biological Attributes term OBA_2054181 (FOXO3/MAP3K5 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of forkhead box protein O3 (human) in blood to amount of mitogen-activated protein kinase kinase kinase 5 (human) in blood. Also known as: the ratio of amount of forkhead box protein O3 (human) in blood to amount of mitogen-activated protein kinase kinase kinase 5 (human) in blood.