A compound attribute that is the ratio of amount of charged multivesicular body protein 1a (human) in blood to amount of serine/threonine-protein kinase STK11 (human) in blood. The trait is OBA_2055581 (CHMP1A/STK11 protein level ratio in blood). Also known as: the ratio of amount of charged multivesicular body protein 1a (human) in blood to amount of serine/threonine-protein kinase STK11 (human) in blood.