| B7JQ57 | HEM3_BACC0 | Bacillus cereus (strain AH820) | hemC BCAH820_4551 | Detail |
| Q9XA06 | ISPT2_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | uppS2 SCO3858 SCH69.28c | Detail |
| Q7WKM1 | HEM3_BORBR | Bordetella bronchiseptica (strain ATCC BAA-588 / NCTC 13252 / RB50) (Alcaligenes bronchisepticus) | hemC BB2085 | Detail |
| B7JBH8 | HEM3_ACIF2 | Acidithiobacillus ferrooxidans (strain ATCC 23270 / DSM 14882 / CIP 104768 / NCIMB 8455) (Ferrobacillus ferrooxidans (strain ATCC 23270)) | hemC AFE_3300 | Detail |
| Q43316 | HEM3_ARATH | Arabidopsis thaliana (Mouse-ear cress) | HEMC RUG1 At5g08280 F8L15_10 | Detail |
| P58563 | ISPT1_NOSS1 | Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) | uppS1 all2995 | Detail |
| Q8GLK9 | ISPT_AQUPY | Aquifex pyrophilus | uppS | Detail |
| B3EIN1 | HEM3_CHLL2 | Chlorobium limicola (strain DSM 245 / NBRC 103803 / 6330) | hemC Clim_0893 | Detail |
| Q03974 | LIC2A_HAEIN | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | lex1 lic2A HI_0550 | Detail |
| Q57394 | LIC2B_HAEIF | Haemophilus influenzae | lic2B | Detail |