A compound attribute that is the ratio of amount of mitogen-activated protein kinase kinase kinase kinase 5 (human) in blood to amount of MIT domain-containing protein 1 (human) in blood. The trait is OBA_2053887 (MAP4K5/MITD1 protein level ratio in blood). Also known as: the ratio of amount of mitogen-activated protein kinase kinase kinase kinase 5 (human) in blood to amount of MIT domain-containing protein 1 (human) in blood.