KYAT1/QDPR protein level ratio in blood (Ontology of Biological Attributes id OBA_2055542) can be described as follows. A compound attribute that is the ratio of amount of kynurenine--oxoglutarate transaminase 1 (human) in blood to amount of dihydropteridine reductase (human) in blood. Also known as: the ratio of amount of kynurenine--oxoglutarate transaminase 1 (human) in blood to amount of dihydropteridine reductase (human) in blood.