A compound attribute that is the ratio of amount of copper transport protein ATOX1 (human) in blood to amount of tight junction-associated protein 1 (human) in blood. The trait is ATOX1/TJAP1 protein level ratio in blood (OBA_2054115). Also known as: the ratio of amount of copper transport protein ATOX1 (human) in blood to amount of tight junction-associated protein 1 (human) in blood.