| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| SPO1016 | ribD | SPO1016 | SPO1754 | Hypothetical protein; Identified by Glimmer2; putative. | 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. | 0.847 |
| SPO2598 | ribD | SPO2598 | SPO1754 | Hypothetical protein; Identified by Glimmer2; putative. | 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. | 0.847 |
| eno | ribD | SPO2474 | SPO1754 | Enolase; Catalyzes the reversible conversion of 2-phosphoglycerate into phosphoenolpyruvate. It is essential for the degradation of carbohydrates via glycolysis; Belongs to the enolase 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. | 0.847 |
| nrdR | nusB | SPO1753 | SPO1763 | Riboflavin biosynthesis protein RibX; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | 0.504 |
| nrdR | ribB | SPO1753 | SPO1761 | Riboflavin biosynthesis protein RibX; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.649 |
| nrdR | ribD | SPO1753 | SPO1754 | Riboflavin biosynthesis protein RibX; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR 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. | 0.951 |
| nusB | nrdR | SPO1763 | SPO1753 | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | Riboflavin biosynthesis protein RibX; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.504 |
| nusB | ribB | SPO1763 | SPO1761 | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.929 |
| nusB | ribD | SPO1763 | SPO1754 | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | 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. | 0.759 |
| nusB | ribE | SPO1763 | SPO1759 | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | Riboflavin synthase, alpha subunit; Identified by similarity to SP:P51961; match to protein family HMM PF00677; match to protein family HMM TIGR00187. | 0.635 |
| nusB | ribH-1 | SPO1763 | SPO0268 | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | Riboflavin synthase, beta subunit; Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2- butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. | 0.890 |
| nusB | ribH-2 | SPO1763 | SPO1762 | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | Riboflavin synthase, beta subunit; Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2- butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. | 0.981 |
| ribB | nrdR | SPO1761 | SPO1753 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | Riboflavin biosynthesis protein RibX; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.649 |
| ribB | nusB | SPO1761 | SPO1763 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | Transcription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. | 0.929 |
| ribB | ribBA | SPO1761 | SPO3427 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; Catalyzes the conversion of GTP to 2,5-diamino-6- ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate; Belongs to the GTP cyclohydrolase II family. | 0.997 |
| ribB | ribD | SPO1761 | SPO1754 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase 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. | 0.999 |
| ribB | ribE | SPO1761 | SPO1759 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | Riboflavin synthase, alpha subunit; Identified by similarity to SP:P51961; match to protein family HMM PF00677; match to protein family HMM TIGR00187. | 0.999 |
| ribB | ribH-1 | SPO1761 | SPO0268 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | Riboflavin synthase, beta subunit; Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2- butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. | 0.999 |
| ribB | ribH-2 | SPO1761 | SPO1762 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | Riboflavin synthase, beta subunit; Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2- butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. | 0.999 |
| ribBA | ribB | SPO3427 | SPO1761 | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; Catalyzes the conversion of GTP to 2,5-diamino-6- ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate; Belongs to the GTP cyclohydrolase II family. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II, putative; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.997 |