APBB1IP/PXN protein level ratio in blood (OBA_2054333, an Ontology of Biological Attributes identifier) can be described as follows. A compound attribute that is the ratio of amount of amyloid beta A4 precursor protein-binding family B member 1-interacting protein (human) in blood to amount of paxillin (human) in blood. Also known as: the ratio of amount of amyloid beta A4 precursor protein-binding family B member 1-interacting protein (human) in blood to amount of paxillin (human) in blood.