A compound attribute that is the ratio of amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood to amount of peroxiredoxin-5, mitochondrial (human) in blood. The trait is OBA_2053821 (MANF/PRDX5 protein level ratio in blood). Also known as: the ratio of amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood to amount of peroxiredoxin-5, mitochondrial (human) in blood.