OBA_2053720 (AARSD1/PIK3AP1 protein level ratio in blood) 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 phosphoinositide 3-kinase adapter protein 1 (human) in blood. Also known as: the ratio of amount of alanyl-tRNA editing protein Aarsd1 (human) in blood to amount of phosphoinositide 3-kinase adapter protein 1 (human) in blood.