AARSD1/CHAC2 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2053717) can be described as follows. A compound attribute that is the ratio of amount of alanyl-tRNA editing protein Aarsd1 (human) in blood to amount of glutathione-specific gamma-glutamylcyclotransferase 2 (human) in blood. Also known as: the ratio of amount of alanyl-tRNA editing protein Aarsd1 (human) in blood to amount of glutathione-specific gamma-glutamylcyclotransferase 2 (human) in blood.