A compound attribute that is the ratio of amount of nucleobindin-2 (human) in blood to amount of sialate O-acetylesterase (human) in blood. The trait is OBA_2055164 (NUCB2/SIAE protein level ratio in blood). Also known as: the ratio of amount of nucleobindin-2 (human) in blood to amount of sialate O-acetylesterase (human) in blood.