| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| HemB | RibD | TW91_0143 | TW91_0407 | Porphobilinogen synthase; Belongs to the ALAD family. | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 0.669 |
| HemB | TW91_0144 | TW91_0143 | TW91_0144 | Porphobilinogen synthase; Belongs to the ALAD family. | Putative lipoprotein. | 0.578 |
| HemB | TW91_1212 | TW91_0143 | TW91_1212 | Porphobilinogen synthase; Belongs to the ALAD family. | uroporphyrinogen-III synthase. | 0.890 |
| HemB | cysG | TW91_0143 | TW91_1273 | Porphobilinogen synthase; Belongs to the ALAD family. | Siroheme synthase 1; 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. Belongs to the precorrin methyltransferase family. In the N-terminal section; belongs to the precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase family. | 0.932 |
| HemB | hemA | TW91_0143 | TW91_1786 | Porphobilinogen synthase; Belongs to the ALAD family. | glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA). | 0.864 |
| HemB | hemC | TW91_0143 | TW91_1780 | Porphobilinogen synthase; Belongs to the ALAD family. | Hydroxymethylbilane synthase; Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps. Belongs to the HMBS family. | 0.996 |
| HemB | hemE | TW91_0143 | TW91_1209 | Porphobilinogen synthase; Belongs to the ALAD family. | Uroporphyrinogen decarboxylase; Catalyzes the decarboxylation of four acetate groups of uroporphyrinogen-III to yield coproporphyrinogen-III. | 0.761 |
| HemB | hemF | TW91_0143 | TW91_1301 | Porphobilinogen synthase; Belongs to the ALAD family. | Coproporphyrinogen III oxidase, aerobic; 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. | 0.560 |
| HemB | hemL | TW91_0143 | TW91_0112 | Porphobilinogen synthase; Belongs to the ALAD family. | Glutamate-1-semialdehyde-2,1-aminomutase. | 0.991 |
| HemB | ribB | TW91_0143 | TW91_1386 | Porphobilinogen synthase; Belongs to the ALAD family. | 3,4-dihydroxy-2-butanone-4-phosphate synthase; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.645 |
| RibD | HemB | TW91_0407 | TW91_0143 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | Porphobilinogen synthase; Belongs to the ALAD family. | 0.669 |
| RibD | TW91_1212 | TW91_0407 | TW91_1212 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | uroporphyrinogen-III synthase. | 0.589 |
| RibD | cysG | TW91_0407 | TW91_1273 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | Siroheme synthase 1; 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. Belongs to the precorrin methyltransferase family. In the N-terminal section; belongs to the precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase family. | 0.773 |
| RibD | hemA | TW91_0407 | TW91_1786 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | glutamyl-tRNA reductase; Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA). | 0.507 |
| RibD | hemC | TW91_0407 | TW91_1780 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | Hydroxymethylbilane synthase; Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps. Belongs to the HMBS family. | 0.569 |
| RibD | hemL | TW91_0407 | TW91_0112 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | Glutamate-1-semialdehyde-2,1-aminomutase. | 0.582 |
| RibD | ribB | TW91_0407 | TW91_1386 | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 3,4-dihydroxy-2-butanone-4-phosphate synthase; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.999 |
| TW91_0144 | HemB | TW91_0144 | TW91_0143 | Putative lipoprotein. | Porphobilinogen synthase; Belongs to the ALAD family. | 0.578 |
| TW91_1212 | HemB | TW91_1212 | TW91_0143 | uroporphyrinogen-III synthase. | Porphobilinogen synthase; Belongs to the ALAD family. | 0.890 |
| TW91_1212 | RibD | TW91_1212 | TW91_0407 | uroporphyrinogen-III synthase. | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 0.589 |