OBA_2055455 (CDKN2D/CRADD protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of cyclin-dependent kinase 4 inhibitor D (human) in blood to amount of death domain-containing protein CRADD (human) in blood. Also known as: the ratio of amount of cyclin-dependent kinase 4 inhibitor D (human) in blood to amount of death domain-containing protein CRADD (human) in blood.