CRACR2A/RNF41 protein level ratio in blood (OBA_2054611) can be described as follows. A compound attribute that is the ratio of amount of EF-hand calcium-binding domain-containing protein 4B (human) in blood to amount of E3 ubiquitin-protein ligase NRDP1 (human) in blood. Also known as: the ratio of amount of EF-hand calcium-binding domain-containing protein 4B (human) in blood to amount of E3 ubiquitin-protein ligase NRDP1 (human) in blood.