ADGRE2/B4GALT1 protein level ratio in blood (OBA_2053739, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of adhesion G protein-coupled receptor E2 (human) in blood to amount of beta-1,4-galactosyltransferase 1 (human) in blood. Also known as: the ratio of amount of adhesion G protein-coupled receptor E2 (human) in blood to amount of beta-1,4-galactosyltransferase 1 (human) in blood.