A compound attribute that is the ratio of amount of eukaryotic translation initiation factor 4E-binding protein 1 (human) in blood to amount of proteasome assembly chaperone 3 (human) in blood. The trait is EIF4EBP1/PSMG3 protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2055675). Also known as: the ratio of amount of eukaryotic translation initiation factor 4E-binding protein 1 (human) in blood to amount of proteasome assembly chaperone 3 (human) in blood.