| SUP45 | Polypeptide release factor involved in translation termination; mutant form acts as a recessive omnipotent suppressor
| eRF1, Eukaryotic peptide chain release factor subunit 1, Eukaryotic release factor 1, Omnipotent suppressor protein 1, SAL4, SUP1, SUP47, YBR1120, YBR143C
| Saccharomyces cerevisiae |