A compound attribute that is the ratio of amount of alpha-hemoglobin-stabilizing protein (human) in blood to amount of carbonic anhydrase 2 (human) in blood. The trait is AHSP/CA2 protein level ratio in blood (OBA_2053655). Also known as: the ratio of amount of alpha-hemoglobin-stabilizing protein (human) in blood to amount of carbonic anhydrase 2 (human) in blood.