A compound attribute that is the ratio of amount of neurogenic locus notch homolog protein 1 (human) in blood to amount of semaphorin-7A (human) in blood. The trait is OBA_2055133 (NOTCH1/SEMA7A protein level ratio in blood). Also known as: the ratio of amount of neurogenic locus notch homolog protein 1 (human) in blood to amount of semaphorin-7A (human) in blood.