Provided below are ELISA kits targeting cyclin dependent kinase inhibitor 1C, a human protein encoded by CDKN1C. This protein is 316 amino acids long, with a mass of 32.2 kDa, and is a member of the CDI family. 2 isoforms have been identified. This is reported to be a nuclear protein. There is a noted implication in Beckwith-Wiedemann syndrome. Other alias names for this protein include: cyclin-dependent kinase inhibitor 1C (p57 Kip2), cyclin-dependent kinase inhibitor p57, BWCR, BWS, and cyclin-dependent kinase inhibitor p57.