EIF4B/METAP2 protein level ratio in blood (OBA_2055668, 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 4B (human) in blood to amount of methionine aminopeptidase 2 (human) in blood. Also known as: the ratio of amount of eukaryotic translation initiation factor 4B (human) in blood to amount of methionine aminopeptidase 2 (human) in blood.