Ontology of Biological Attributes entry OBA_2054172 (CD59/PI3 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of CD59 glycoprotein (human) in blood to amount of elafin (human) in blood. Also known as: the ratio of amount of CD59 glycoprotein (human) in blood to amount of elafin (human) in blood.