A compound attribute that is the ratio of amount of fatty acid-binding protein, liver (human) in blood to amount of sulfotransferase 2A1 (human) in blood. The trait is OBA_2055428 (FABP1/SULT2A1 protein level ratio in blood). Also known as: the ratio of amount of fatty acid-binding protein, liver (human) in blood to amount of sulfotransferase 2A1 (human) in blood.