A compound attribute that is the ratio of amount of transcription regulator protein BACH1 (human) in blood to amount of TBC1 domain family member 5 (human) in blood. The trait is BACH1/TBC1D5 protein level ratio in blood (OBA_2053567). Also known as: the ratio of amount of transcription regulator protein BACH1 (human) in blood to amount of TBC1 domain family member 5 (human) in blood.