A compound attribute that is the ratio of amount of bridging integrator 2 (human) in blood to amount of TBC1 domain family member 23 (human) in blood. The trait is BIN2/TBC1D23 protein level ratio in blood (OBA_2053287). Also known as: the ratio of amount of bridging integrator 2 (human) in blood to amount of TBC1 domain family member 23 (human) in blood.