OBA_2053417 (GP1BA/SIAE protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of platelet glycoprotein Ib alpha chain (human) in blood to amount of sialate O-acetylesterase (human) in blood. Also known as: the ratio of amount of platelet glycoprotein Ib alpha chain (human) in blood to amount of sialate O-acetylesterase (human) in blood.