Ontology of Biological Attributes entry OBA_2055484 (ITGB1/SELP protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of integrin beta-1 (human) in blood to amount of P-selectin (human) in blood. Also known as: the ratio of amount of integrin beta-1 (human) in blood to amount of P-selectin (human) in blood.