OBA_2054303 (ALDH1A1/PTS protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of aldehyde dehydrogenase 1A1 (human) in blood to amount of 6-pyruvoyl tetrahydrobiopterin synthase (human) in blood. Also known as: the ratio of amount of aldehyde dehydrogenase 1A1 (human) in blood to amount of 6-pyruvoyl tetrahydrobiopterin synthase (human) in blood.