A compound attribute that is the ratio of amount of cyclin-dependent kinase inhibitor 1 (human) in blood to amount of cytoplasmic protein NCK2 (human) in blood. The trait is OBA_2055445 (CDKN1A/NCK2 protein level ratio in blood). Also known as: the ratio of amount of cyclin-dependent kinase inhibitor 1 (human) in blood to amount of cytoplasmic protein NCK2 (human) in blood.