| [A] Pyrobaculum aerophilum | PYRAE02033 | SURE1_PYRAE | 5'-nucleotidase surE1 |
| [A] Pyrobaculum calidifontis (strain JCM 11548 / VA1) | PYRCJ00348 | A3MT21 | Stationary-phase survival protein SurE precursor |
| [A] Methanococcus aeolicus (strain Nankai-3 / ATCC BAA-1280) | META300221 | A6UTJ2 | Stationary-phase survival protein SurE |
| [A] Methanococcus vannielii (strain SB / ATCC 35089 / DSM 1224) | METVS00365 | SURE_METVS | Stationary-phase survival protein SurE |
| [A] Picrophilus torridus | PICTO01456 | SURE_PICTO | 5'-nucleotidase surE |
| [B] Beijerinckia indica subsp. indica (strain ATCC 9039 / DSM 1715 / NCIB 8712) | BEII902606 | SURE_BEII9 | Stationary-phase survival protein SurE |
| [B] Oligotropha carboxidovorans (strain ATCC 49405 / DSM 1227 / OM5) | OLICO02223 | SURE_OLICO | 5'-nucleotidase surE |
| [B] Rhodopseudomonas palustris (strain BisB18) | RHOPB02478 | SURE_RHOPB | stationary-phase survival protein SurE |
| [B] Ochrobactrum anthropi (strain ATCC 49188 / DSM 6882 / NCTC 12168) | OCHA402313 | SURE_OCHA4 | Stationary-phase survival protein SurE |
| [B] Methylobacterium nodulans (strain ORS2060 / LMG 21967) | METNO06930 | SURE_METNO | Stationary-phase survival protein SurE |
| [B] Methylobacterium radiotolerans (strain ATCC 27329 / DSM 1819 / JCM 2831) | METRJ02242 | SURE_METRJ | Stationary-phase survival protein SurE |
| [B] Parvibaculum lavamentivorans (strain DS-1 / DSM 13023 / NCIMB 13966) | PARL102958 | SURE_PARL1 | Stationary-phase survival protein SurE |
| [B] Agrobacterium radiobacter (strain K84 / ATCC BAA-868) | AGRRK01591 | SURE_AGRRK | 5'/3'-nucleotidase SurE |
| [B] Azorhizobium caulinodans (strain ATCC 43989 / DSM 5975 / ORS 571) | AZOC501214 | SURE_AZOC5 | Survival protein |
| [B] Hirschia baltica (strain ATCC 49814 / DSM 5838 / IFAM 1418) | HIRBI01391 | C6XIZ8 | Stationary-phase survival protein SurE |
| [B] Maricaulis maris (strain MCS10) | MARMM01898 | SURE_MARMM | Stationary-phase survival protein SurE |
| [B] Magnetospirillum magneticum (strain AMB-1 / ATCC 700264) | MAGSA02482 | SURE_MAGSA | 5'-nucleotidase surE |
| [B] Rhodospirillum rubrum (strain ATCC 11170 / NCIB 8255) | RHORT01762 | SURE_RHORT | Acid phosphatase |
| [B] Leptospira biflexa serovar Patoc (strain Patoc 1 / ATCC 23582 / Paris) | LEPBP00450 | SURE_LEPBP | 5'-nucleotidase SurE |
| [B] Leptospira biflexa serovar Patoc (strain Patoc 1 / Ames) | LEPBA00434 | SURE_LEPBA | Acid phosphatase |