A compound attribute that is the ratio of amount of charged multivesicular body protein 1a (human) in blood to amount of eukaryotic translation initiation factor 4B (human) in blood. The trait is OBA_2055571 (CHMP1A/EIF4B protein level ratio in blood). Also known as: the ratio of amount of charged multivesicular body protein 1a (human) in blood to amount of eukaryotic translation initiation factor 4B (human) in blood.