OBA_2053413 (GOPC/PLXNA4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of Golgi-associated PDZ and coiled-coil motif-containing protein (human) in blood to amount of plexin-A4 (human) in blood. Also known as: the ratio of amount of Golgi-associated PDZ and coiled-coil motif-containing protein (human) in blood to amount of plexin-A4 (human) in blood.