| B0TC48 | RPOB_HELMI | Heliobacterium modesticaldum (strain ATCC 51547 / Ice1) | rpoB Helmi_13220 HM1_1370 | Detail |
| A2BT60 | RPOC1_PROMS | Prochlorococcus marinus (strain AS9601) | rpoC1 A9601_16881 | Detail |
| P0C502 | RPOB_ORYSI | Oryza sativa subsp. indica (Rice) | rpoB 9311034 | Detail |
| Q46J23 | RPOC1_PROMT | Prochlorococcus marinus (strain NATL2A) | rpoC1 PMN2A_1015 | Detail |
| A9B6J3 | RPOB_HERA2 | Herpetosiphon aurantiacus (strain ATCC 23779 / DSM 785 / 114-95) | rpoB Haur_0244 | Detail |
| B7JWQ8 | RPOC1_RIPO1 | Rippkaea orientalis (strain PCC 8801) (Cyanothece sp. (strain PCC 8801)) | rpoC1 PCC8801_0616 | Detail |
| P0C151 | RPOB_BURMA | Burkholderia mallei (strain ATCC 23344) | rpoB BMA2641 | Detail |
| Q9H9Y6 | RPA2_HUMAN | Homo sapiens (Human) | POLR1B | Detail |
| Q8R7U6 | RPOB_CALS4 | Caldanaerobacter subterraneus subsp. tengcongensis (strain DSM 15242 / JCM 11007 / NBRC 100824 / MB4) (Thermoanaerobacter tengcongensis) | rpoB TTE2301 | Detail |
| A9WH12 | RPOB_CHLAA | Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl) | rpoB Caur_0874 | Detail |