| A3PZF2 | HEMH_MYCSJ | Mycobacterium sp. (strain JLS) | hemH Mjls_2495 | Detail |
| Q5N2B2 | HEMH_SYNP6 | Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis nidulans) | hemH syc1368_c | Detail |
| Q92M52 | HEMH_RHIME | Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti) | hemH R02803 SMc04019 | Detail |
| Q71XF4 | HEMH_LISMF | Listeria monocytogenes serotype 4b (strain F2365) | hemH LMOf2365_2244 | Detail |
| P0A3D6 | HEMH_BRUME | Brucella melitensis biotype 1 (strain 16M / ATCC 23456 / NCTC 10094) | hemH BMEII0018 | Detail |
| P57778 | HEMH_PSEFC | Pseudomonas fluorescens biotype C | hemH | Detail |
| Q10XT3 | CPXS2_TRIEI | Trichodesmium erythraeum (strain IMS101) | cpcS2 Tery_3908 | Detail |
| Q02426 | CPXT_SYNPZ | Synechococcus sp. (strain WH8103) | cpcT | Detail |
| Q5L6X6 | HEMH_CHLAB | Chlamydia abortus (strain DSM 27085 / S26/3) (Chlamydophila abortus) | hemH CAB136 | Detail |
| Q6NH66 | HEMH_CORDI | Corynebacterium diphtheriae (strain ATCC 700971 / NCTC 13129 / Biotype gravis) | hemH DIP1280 | Detail |