A compound attribute that is the ratio of amount of carbonic anhydrase 5A, mitochondrial (human) in blood to amount of GrpE protein homolog 1, mitochondrial (human) in blood. The trait is OBA_2054822 (CA5A/GRPEL1 protein level ratio in blood). Also known as: the ratio of amount of carbonic anhydrase 5A, mitochondrial (human) in blood to amount of GrpE protein homolog 1, mitochondrial (human) in blood.