Provided below are ELISA kits targeting small ubiquitin like modifier 1, a human protein encoded by SUMO1. This protein is 101 amino acids long, with a mass of 11.6 kDa, and is a member of the Ubiquitin family, SUMO subfamily. 2 isoforms have been identified. This is reported to be a cytoplasmic, nuclear and membrane protein. There is a noted implication in Non-syndromic orofacial cleft 10. Other alias names for this protein include: small ubiquitin-related modifier 1, GAP modifying protein 1, SMT3 homolog 3, sentrin, ubiquitin-like protein SMT3C, ubiquitin-like protein UBL1, and GMP1.