EIF4G1/TBC1D23 protein level ratio in blood (OBA_2055683, an Ontology of Biological Attributes identifier) can be described as follows. A compound attribute that is the ratio of amount of eukaryotic translation initiation factor 4 gamma 1 (human) in blood to amount of TBC1 domain family member 23 (human) in blood. Also known as: the ratio of amount of eukaryotic translation initiation factor 4 gamma 1 (human) in blood to amount of TBC1 domain family member 23 (human) in blood.