OBA_2054652 (NBL1/NECTIN4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of neuroblastoma suppressor of tumorigenicity 1 (human) in blood to amount of nectin-4 (human) in blood. Also known as: the ratio of amount of neuroblastoma suppressor of tumorigenicity 1 (human) in blood to amount of nectin-4 (human) in blood.