node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |

cysG | hemA | DR97_5351 | DR97_1975 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | 0.936 |

cysG | hemB | DR97_5351 | DR97_2613 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | annotation not available | 0.921 |

cysG | hemC | DR97_5351 | DR97_2631 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | Porphobilinogen deaminase; Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps | 0.953 |

cysG | hemD | DR97_5351 | DR97_2630 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | annotation not available | 0.985 |

cysG | hemE | DR97_5351 | DR97_2389 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | Uroporphyrinogen decarboxylase; Catalyzes the decarboxylation of four acetate groups of uroporphyrinogen-III to yield coproporphyrinogen-III | 0.973 |

cysG | hemF | DR97_5351 | DR97_2977 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | Oxygen-dependent coproporphyrinogen-III oxidase; Involved in the heme biosynthesis. Catalyzes the aerobic oxidative decarboxylation of propionate groups of rings A and B of coproporphyrinogen-III to yield the vinyl groups in protoporphyrinogen-IX | 0.651 |

cysG | hemH | DR97_5351 | DR97_1964 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | Ferrochelatase; Catalyzes the ferrous insertion into protoporphyrin IX; Belongs to the ferrochelatase family | 0.827 |

cysG | nirE | DR97_5351 | DR97_3478 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | Methyltransferase; cobA_cysG_Cterm- uroporphyrinogen-III C-methyltransferase; Belongs to the precorrin methyltransferase family | 0.918 |

cysG | sumT | DR97_5351 | DR97_108 | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | cobA_cysG_Cterm- uroporphyrinogen-III C-methyltransferase | 0.924 |

hemA | cysG | DR97_1975 | DR97_5351 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | 0.936 |

hemA | hemB | DR97_1975 | DR97_2613 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | annotation not available | 0.968 |

hemA | hemC | DR97_1975 | DR97_2631 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | Porphobilinogen deaminase; Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps | 0.996 |

hemA | hemD | DR97_1975 | DR97_2630 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | annotation not available | 0.893 |

hemA | hemE | DR97_1975 | DR97_2389 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | Uroporphyrinogen decarboxylase; Catalyzes the decarboxylation of four acetate groups of uroporphyrinogen-III to yield coproporphyrinogen-III | 0.979 |

hemA | hemF | DR97_1975 | DR97_2977 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | Oxygen-dependent coproporphyrinogen-III oxidase; Involved in the heme biosynthesis. Catalyzes the aerobic oxidative decarboxylation of propionate groups of rings A and B of coproporphyrinogen-III to yield the vinyl groups in protoporphyrinogen-IX | 0.843 |

hemA | hemH | DR97_1975 | DR97_1964 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | Ferrochelatase; Catalyzes the ferrous insertion into protoporphyrin IX; Belongs to the ferrochelatase family | 0.939 |

hemA | nirE | DR97_1975 | DR97_3478 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | Methyltransferase; cobA_cysG_Cterm- uroporphyrinogen-III C-methyltransferase; Belongs to the precorrin methyltransferase family | 0.786 |

hemA | sumT | DR97_1975 | DR97_108 | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | cobA_cysG_Cterm- uroporphyrinogen-III C-methyltransferase | 0.852 |

hemB | cysG | DR97_2613 | DR97_5351 | annotation not available | Siroheme synthase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD- dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme | 0.921 |

hemB | hemA | DR97_2613 | DR97_1975 | annotation not available | Glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA); Belongs to the glutamyl-tRNA reductase family | 0.968 |