AHSP/HBQ1 protein level ratio in blood (OBA_2053656, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of alpha-hemoglobin-stabilizing protein (human) in blood to amount of hemoglobin subunit theta-1 (human) in blood. Also known as: the ratio of amount of alpha-hemoglobin-stabilizing protein (human) in blood to amount of hemoglobin subunit theta-1 (human) in blood.