| B1IBG8 | HEMH_STRPI | Streptococcus pneumoniae (strain Hungary19A-6) | hemH SPH_1111 | Detail |
| Q72L32 | HEMH_THET2 | Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039) | hemH TT_C0231 | Detail |
| P39384 | YJIM_ECOLI | Escherichia coli (strain K12) | yjiM b4335 JW5786 | Detail |
| Q5L283 | HEMH_GEOKA | Geobacillus kaustophilus (strain HTA426) | hemH GK0662 | Detail |
| B4SNS0 | HEMH_STRM5 | Stenotrophomonas maltophilia (strain R551-3) | hemH Smal_3991 | Detail |
| Q60318 | Y007_METJA | Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Methanococcus jannaschii) | MJ0007 | 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 |
| A8HTN2 | CPCU_SYNP2 | Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum quadruplicatum) | cpcU SYNPCC7002_A2053 | Detail |
| Q7V2Z2 | CPES_PROMP | Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 / MED4) | cpeS PMM0306 | Detail |