ERBIN/SCAMP3 protein level ratio in blood (OBA_2054739, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of erbin (human) in blood to amount of secretory carrier-associated membrane protein 3 (human) in blood. Also known as: the ratio of amount of erbin (human) in blood to amount of secretory carrier-associated membrane protein 3 (human) in blood.