A compound attribute that is the ratio of amount of T-complex protein 1 subunit epsilon (human) in blood to amount of glutathione-specific gamma-glutamylcyclotransferase 2 (human) in blood. The trait is Ontology of Biological Attributes term OBA_2055237 (CCT5/CHAC2 protein level ratio in blood). Also known as: the ratio of amount of T-complex protein 1 subunit epsilon (human) in blood to amount of glutathione-specific gamma-glutamylcyclotransferase 2 (human) in blood.