BACH1/PDLIM7 protein level ratio in blood (OBA_2053563, an Ontology of Biological Attributes identifier) can be described as follows. A compound attribute that is the ratio of amount of transcription regulator protein BACH1 (human) in blood to amount of PDZ and LIM domain protein 7 (human) in blood. Also known as: the ratio of amount of transcription regulator protein BACH1 (human) in blood to amount of PDZ and LIM domain protein 7 (human) in blood.