A compound attribute that is the ratio of amount of basal cell adhesion molecule (human) in blood to amount of protocadherin-17 (human) in blood. The trait is BCAM/PCDH17 protein level ratio in blood (OBA_2053618). Also known as: the ratio of amount of basal cell adhesion molecule (human) in blood to amount of protocadherin-17 (human) in blood.