Ontology of Biological Attributes term OBA_2053919 (APP/PPP1R12A protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of amyloid-beta precursor protein (human) in blood to amount of protein phosphatase 1 regulatory subunit 12A (human) in blood. Also known as: the ratio of amount of amyloid-beta precursor protein (human) in blood to amount of protein phosphatase 1 regulatory subunit 12A (human) in blood.