OBA_2055081 (DARS1/MAP4K5 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of aspartate--tRNA ligase, cytoplasmic (human) in blood to amount of mitogen-activated protein kinase kinase kinase kinase 5 (human) in blood. Also known as: the ratio of amount of aspartate--tRNA ligase, cytoplasmic (human) in blood to amount of mitogen-activated protein kinase kinase kinase kinase 5 (human) in blood.