| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| amb2338 | amb2341 | amb2338 | amb2341 | Ribose 5-phosphate isomerase RpiB. | 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. | 0.646 |
| amb2338 | amb2342 | amb2338 | amb2342 | Ribose 5-phosphate isomerase RpiB. | Hypothetical protein. | 0.550 |
| amb2338 | amb2343 | amb2338 | amb2343 | Ribose 5-phosphate isomerase RpiB. | Riboflavin synthase alpha chain. | 0.550 |
| amb2338 | amb2347 | amb2338 | amb2347 | Ribose 5-phosphate isomerase RpiB. | Thiamine monophosphate kinase. | 0.505 |
| amb2338 | glyA | amb2338 | amb2339 | Ribose 5-phosphate isomerase RpiB. | Glycine/serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | 0.983 |
| amb2338 | nrdR3 | amb2338 | amb2340 | Ribose 5-phosphate isomerase RpiB. | Predicted transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.526 |
| amb2338 | nusB | amb2338 | amb2346 | Ribose 5-phosphate isomerase RpiB. | Transcription termination factor; 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. | 0.517 |
| amb2338 | ribB | amb2338 | amb2344 | Ribose 5-phosphate isomerase RpiB. | Riboflavin biosynthesis protein ribA; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.642 |
| amb2338 | ribH | amb2338 | amb2345 | Ribose 5-phosphate isomerase RpiB. | Riboflavin synthase beta-chain; 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. | 0.505 |
| amb2341 | amb2338 | amb2341 | amb2338 | 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. | Ribose 5-phosphate isomerase RpiB. | 0.646 |
| amb2341 | amb2342 | amb2341 | amb2342 | 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. | Hypothetical protein. | 0.994 |
| amb2341 | amb2343 | amb2341 | amb2343 | 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. | Riboflavin synthase alpha chain. | 0.997 |
| amb2341 | amb2347 | amb2341 | amb2347 | 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. | Thiamine monophosphate kinase. | 0.762 |
| amb2341 | glyA | amb2341 | amb2339 | 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. | Glycine/serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | 0.703 |
| amb2341 | nadE | amb2341 | amb1233 | 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. | Glutamine-dependent NAD(+) synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses L-glutamine as a nitrogen source. | 0.759 |
| amb2341 | nrdR3 | amb2341 | amb2340 | 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. | Predicted transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.929 |
| amb2341 | nusB | amb2341 | amb2346 | 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. | Transcription termination factor; 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. | 0.888 |
| amb2341 | ribB | amb2341 | amb2344 | 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. | Riboflavin biosynthesis protein ribA; 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 |
| amb2341 | ribH | amb2341 | amb2345 | 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. | Riboflavin synthase beta-chain; 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. | 0.996 |
| amb2342 | amb2338 | amb2342 | amb2338 | Hypothetical protein. | Ribose 5-phosphate isomerase RpiB. | 0.550 |