Ontology of Biological Attributes identifier OBA_2053745 (ADGRE5/ITGB2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of adhesion G protein-coupled receptor E5 (human) in blood to amount of integrin beta-2 (human) in blood. Also known as: the ratio of amount of adhesion G protein-coupled receptor E5 (human) in blood to amount of integrin beta-2 (human) in blood.