FCRL2/SEMA7A protein level ratio in blood (OBA_2055300) can be described as follows. A compound attribute that is the ratio of amount of Fc receptor-like protein 2 (human) in blood to amount of semaphorin-7A (human) in blood. Also known as: the ratio of amount of Fc receptor-like protein 2 (human) in blood to amount of semaphorin-7A (human) in blood.