| Role | Gene | Name | undecene 5 vol% | |
|---|
| | | ⨯ | |
| 5-aminolevulinate synthase (EC 2.3.1.37) | No genes | | | |
| Coproporphyrinogen III oxidase, aerobic (EC 1.3.3.3) | b2436 | hemF | -4.3 | |
| Coproporphyrinogen III oxidase, oxygen-independent (EC 1.3.99.22) | b3867 | hemN | -0.1 | |
| Coproporphyrinogen III oxidase, oxygen-independent (EC 1.3.99.22), divergent, putative | No genes | | | |
| Coproporphyrinogen III oxidase, oxygen-independent (EC 1.3.99.22), divergent, putative 2 | No genes | | | |
| Distant homolog of E. coli HemX protein in Xanthomonadaceae | No genes | | | |
| Ferrochelatase, protoheme ferro-lyase (EC 4.99.1.1) | b0475 | hemH | N.D. | |
| Glutamate-1-semialdehyde aminotransferase (EC 5.4.3.8) | b0154 | hemL | N.D. | |
| Glutamyl-tRNA reductase (EC 1.2.1.70) | b1210 | hemA | N.D. | |
| Glutamyl-tRNA synthetase (EC 6.1.1.17) | b2400 | gltX | N.D. | |
| HemX protein, negative effector of steady-state concentration of glutamyl-tRNA reductase | No genes | | | |
| Hemoprotein HemQ, essential component of heme biosynthetic pathway in Gram-positive bacteria | No genes | | | |
| Hypothetical membrane protein, possible involvement in cytochrome functioning/assembly | No genes | | | |
| Hypothetical radical SAM family enzyme, NOT coproporphyrinogen III oxidase, oxygen-independent | No genes | | | |
| Porphobilinogen deaminase (EC 2.5.1.61) | b3805 | hemC | N.D. | |
| Porphobilinogen synthase (EC 4.2.1.24) | b0369 | hemB | N.D. | |
| Precorrin-2 oxidase (EC 1.3.1.76) | b3368 | cysG | -0.1 | |
| Protoporphyrinogen IX oxidase, aerobic (EC 1.3.3.4) | No genes | | | |
| Protoporphyrinogen IX oxidase, oxygen-independent, HemG (EC 1.3.-.-) | b3850 | hemG | N.D. | |
| Putative coproporphyrinogen III oxidase of BS HemN-type, oxygen-independent (EC 1.3.99.22), in heat shock gene cluster | No genes | | | |
| Radical SAM family enzyme, similar to coproporphyrinogen III oxidase, oxygen-independent, clustered with nucleoside-triphosphatase RdgB | b2955 | yggW | +0.2 | |
| Radical SAM family protein HutW, similar to coproporphyrinogen III oxidase, oxygen-independent, associated with heme uptake | No genes | | | |
| Sirohydrochlorin ferrochelatase (EC 4.99.1.4) | b3368 | cysG | -0.1 | |
| Uroporphyrinogen III decarboxylase (EC 4.1.1.37) | b3997 | hemE | N.D. | |
| Uroporphyrinogen-III methyltransferase (EC 2.1.1.107) | b3368 | cysG | -0.1 | |
| Uroporphyrinogen-III synthase (EC 4.2.1.75) | b3804 | hemD | N.D. | |
| Uroporphyrinogen-III synthase, divergent, Flavobacterial type (EC 4.2.1.75) | No genes | | | |
| Uroporphyrinogen-III synthase, divergent, Francisella type (EC 4.2.1.75) | No genes | | | |