OBA_2055355 (FAM3C/PILRB protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of protein FAM3C (human) in blood to amount of paired immunoglobulin-like type 2 receptor beta (human) in blood. Also known as: the ratio of amount of protein FAM3C (human) in blood to amount of paired immunoglobulin-like type 2 receptor beta (human) in blood.