Ontology of Biological Attributes id OBA_2053847 (COMT/ITGB1BP2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of catechol O-methyltransferase (human) in blood to amount of integrin beta-1-binding protein 2 (human) in blood. Also known as: the ratio of amount of catechol O-methyltransferase (human) in blood to amount of integrin beta-1-binding protein 2 (human) in blood.