Ontology of Biological Attributes term OBA_2055282 (CD164/SIAE protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of sialomucin core protein 24 (human) in blood to amount of sialate O-acetylesterase (human) in blood. Also known as: the ratio of amount of sialomucin core protein 24 (human) in blood to amount of sialate O-acetylesterase (human) in blood.