A compound attribute that is the ratio of amount of FYN-binding protein 1 (human) in blood to amount of protein phosphatase 1 regulatory subunit 12A (human) in blood. The trait is Ontology of Biological Attributes entry OBA_2053688 (FYB1/PPP1R12A protein level ratio in blood). Also known as: the ratio of amount of FYN-binding protein 1 (human) in blood to amount of protein phosphatase 1 regulatory subunit 12A (human) in blood.