CLSTN2/MATN2 protein level ratio in blood (OBA_2054894) can be described as follows. A compound attribute that is the ratio of amount of calsyntenin-2 (human) in blood to amount of matrilin-2 (human) in blood. Also known as: the ratio of amount of calsyntenin-2 (human) in blood to amount of matrilin-2 (human) in blood.