OBA_2054667 (ENG/NOTCH1 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of endoglin (human) in blood to amount of neurogenic locus notch homolog protein 1 (human) in blood. Also known as: the ratio of amount of endoglin (human) in blood to amount of neurogenic locus notch homolog protein 1 (human) in blood.