Sentrin 1, NT (Sentrin, GAP Modifying Protein 1, GMP1, PIC1, PIC-1, Small Ubiquitin-related Modifier 1, SUMO1, SUMO-1, SMT3, SMT3 Homolog 3, SMT3 Suppressor of Mif Two 3 Homolog 1, SMT3C, SMT3H3, Ubiquitin Homology Domain Protein PIC1, Ubiquitin-like 1, U