EIF4EBP1/KYAT1 protein level ratio in blood (OBA_2055673, an Ontology of Biological Attributes term) can be described as follows. A compound attribute that is the ratio of amount of eukaryotic translation initiation factor 4E-binding protein 1 (human) in blood to amount of kynurenine--oxoglutarate transaminase 1 (human) in blood. Also known as: the ratio of amount of eukaryotic translation initiation factor 4E-binding protein 1 (human) in blood to amount of kynurenine--oxoglutarate transaminase 1 (human) in blood.