| Q10578 | RPB2_CAEEL | Caenorhabditis elegans | rpb-2 C26E6.4 | Detail |
| P08518 | RPB2_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | RPB2 RPB150 RPO22 YOR151C | Detail |
| Q4URG3 | RPOA_XANC8 | Xanthomonas campestris pv. campestris (strain 8004) | rpoA XC_3316 | Detail |
| C3MAX2 | RPOB_SINFN | Sinorhizobium fredii (strain NBRC 101917 / NGR234) | rpoB NGR_c11830 | Detail |
| B8J412 | RPOZ_DESDA | Desulfovibrio desulfuricans (strain ATCC 27774 / DSM 6949) | rpoZ Ddes_2161 | Detail |
| B5XJ72 | RPOB_STRPZ | Streptococcus pyogenes serotype M49 (strain NZ131) | rpoB Spy49_0087 | Detail |
| Q8DNF0 | RPOB_STRR6 | Streptococcus pneumoniae (strain ATCC BAA-255 / R6) | rpoB spr1777 | Detail |
| P22276 | RPC2_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | RET1 RPC128 RPC2 YOR207C | Detail |
| Q47LM1 | RPOA_THEFY | Thermobifida fusca (strain YX) | rpoA Tfu_2618 | Detail |
| Q31N17 | RPOB_SYNE7 | Synechococcus elongatus (strain PCC 7942) (Anacystis nidulans R2) | rpoB Synpcc7942_1522 | Detail |