| A0RQV9 | DCUP_CAMFF | Campylobacter fetus subsp. fetus (strain 82-40) | hemE CFF8240_1456 | Detail |
| Q5SI12 | MQND_THET8 | Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) | mqnD TTHA1568 | Detail |
| Q2RN85 | DCUP_RHORT | Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1) | hemE Rru_A3616 | Detail |
| A3PM71 | DCUP_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | hemE Rsph17029_2335 | Detail |
| B4T0Z9 | DCUP_SALNS | Salmonella newport (strain SL254) | hemE SNSL254_A4500 | Detail |
| Q3AEU3 | DCUP_CARHZ | Carboxydothermus hydrogenoformans (strain ATCC BAA-161 / DSM 6008 / Z-2901) | hemE CHY_0483 | Detail |
| Q2JWI9 | CPXT1_SYNJA | Synechococcus sp. (strain JA-3-3Ab) (Cyanobacteria bacterium Yellowstone A-Prime) | cpcT1 CYA_0661 | Detail |
| P73747 | CPXS1_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | cpcS1 sll0853 | Detail |
| Q06408 | ARO10_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | ARO10 YDR380W D9481.3 | Detail |
| A8HTN2 | CPCU_SYNP2 | Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum quadruplicatum) | cpcU SYNPCC7002_A2053 | Detail |