[Small ubiquitin-related modifier 4, Small ubiquitin-related modifier 4, small ubiquitin-related modifier 4, insulin-dependent diabetes mellitus 5, SMT3 suppressor of mif two 3 homolog 2, SMT3 suppressor of mif two 3 homolog 4, small ubiquitin-like modifier 4 protein, small ubiquitin-like modifier 4, Small ubiquitin-like protein 4]