| A1E9I3 | RPOC2_HORVU | Hordeum vulgare (Barley) | rpoC2 | Detail |
| A4FWK8 | RPON_METM5 | Methanococcus maripaludis (strain C5 / ATCC BAA-1333) | rpoN MmarC5_0267 | Detail |
| P39349 | YJGX_ECOLI | Escherichia coli (strain K12) | yjgX b4575 b4275/b4276/b4560 | Detail |
| A7THV5 | UBA4_VANPO | Vanderwaltozyma polyspora (strain ATCC 22028 / DSM 70294) (Kluyveromyces polysporus) | UBA4 Kpol_1031p21 | Detail |
| A6ZT19 | UBA4_YEAS7 | Saccharomyces cerevisiae (strain YJM789) (Baker's yeast) | UBA4 NCS3 SCY_2503 | Detail |
| B5FNW8 | UBIB_SALDC | Salmonella dublin (strain CT_02021853) | ubiB SeD_A4359 | Detail |
| P24928 | RPB1_HUMAN | Homo sapiens (Human) | POLR2A POLR2 | Detail |
| Q2FJ98 | RPOB_STAA3 | Staphylococcus aureus (strain USA300) | rpoB SAUSA300_0527 | Detail |
| A7WYW7 | RPOB_STAA1 | Staphylococcus aureus (strain Mu3 / ATCC 700698) | rpoB SAHV_0540 | Detail |
| Q10233 | RPC2_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | rpc2 SPAC4G9.08c | Detail |