A compound attribute that is the ratio of amount of bridging integrator 2 (human) in blood to amount of FYN-binding protein 1 (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2053254 (BIN2/FYB1 protein level ratio in blood). Also known as: the ratio of amount of bridging integrator 2 (human) in blood to amount of FYN-binding protein 1 (human) in blood.