| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| MCA0534 | ribD | MCA0534 | MCA1658 | 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. | 0.804 |
| MCA2476 | nrdR | MCA2476 | MCA1659 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.520 |
| MCA2476 | nusB | MCA2476 | MCA1654 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | N utilization substance protein B; 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. | 0.550 |
| MCA2476 | ribBA | MCA2476 | MCA1656 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.941 |
| MCA2476 | ribD | MCA2476 | MCA1658 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 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. | 0.992 |
| MCA2476 | ribE | MCA2476 | MCA1655 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 6,7-dimethyl-8-ribityllumazine synthase; 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; Belongs to the DMRL synthase family. | 0.990 |
| MCA2476 | ribE-1 | MCA2476 | MCA1657 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | Riboflavin synthase, alpha subunit; Identified by similarity to SP:P51961; match to protein family HMM PF00677; match to protein family HMM TIGR00187. | 0.995 |
| MCA2476 | ribE-2 | MCA2476 | MCA1865 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | Riboflavin synthase, alpha subunit; Identified by similarity to SP:P29015; match to protein family HMM PF00677; match to protein family HMM TIGR00187. | 0.981 |
| MCA2476 | thiL | MCA2476 | MCA1653 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | Thiamine-monophosphate kinase; Catalyzes the ATP-dependent phosphorylation of thiamine- monophosphate (TMP) to form thiamine-pyrophosphate (TPP), the active form of vitamin B1; Belongs to the thiamine-monophosphate kinase family. | 0.497 |
| accC | ribD | MCA1046 | MCA1658 | acetyl-CoA carboxylase, biotin carboxylase; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. | 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. | 0.804 |
| nrdR | MCA2476 | MCA1659 | MCA2476 | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 0.520 |
| nrdR | nusB | MCA1659 | MCA1654 | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | N utilization substance protein B; 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. | 0.742 |
| nrdR | ribBA | MCA1659 | MCA1656 | Conserved hypothetical protein TIGR00244; 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; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.821 |
| nrdR | ribD | MCA1659 | MCA1658 | Conserved hypothetical protein TIGR00244; 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. | 0.927 |
| nrdR | ribE | MCA1659 | MCA1655 | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 6,7-dimethyl-8-ribityllumazine synthase; 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; Belongs to the DMRL synthase family. | 0.758 |
| nrdR | ribE-1 | MCA1659 | MCA1657 | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | Riboflavin synthase, alpha subunit; Identified by similarity to SP:P51961; match to protein family HMM PF00677; match to protein family HMM TIGR00187. | 0.669 |
| nrdR | thiL | MCA1659 | MCA1653 | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | Thiamine-monophosphate kinase; Catalyzes the ATP-dependent phosphorylation of thiamine- monophosphate (TMP) to form thiamine-pyrophosphate (TPP), the active form of vitamin B1; Belongs to the thiamine-monophosphate kinase family. | 0.787 |
| nusB | MCA2476 | MCA1654 | MCA2476 | N utilization substance protein B; 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-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 0.550 |
| nusB | nrdR | MCA1654 | MCA1659 | N utilization substance protein B; 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. | Conserved hypothetical protein TIGR00244; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.742 |
| nusB | ribBA | MCA1654 | MCA1656 | N utilization substance protein B; 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; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.909 |