A compound attribute that is the ratio of amount of disintegrin and metalloproteinase domain-containing protein 22 (human) in blood to amount of ephrin type-B receptor 6 (human) in blood. The trait is ADAM22/EPHB6 protein level ratio in blood (OBA_2053683). Also known as: the ratio of amount of disintegrin and metalloproteinase domain-containing protein 22 (human) in blood to amount of ephrin type-B receptor 6 (human) in blood.