A compound attribute that is the ratio of amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood to amount of phosphomevalonate kinase (human) in blood. The trait is MANF/PMVK protein level ratio in blood (OBA_2053819). Also known as: the ratio of amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood to amount of phosphomevalonate kinase (human) in blood.