A compound attribute that is the ratio of amount of endoribonuclease LACTB2 (human) in blood to amount of dihydropteridine reductase (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2054874 (LACTB2/QDPR protein level ratio in blood). Also known as: the ratio of amount of endoribonuclease LACTB2 (human) in blood to amount of dihydropteridine reductase (human) in blood.