| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| argR | birA | STM3360 | STM4138 | Repressor of arg regulon; Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes; Belongs to the ArgR family. | biotin-[acetylCoA carboxylase] holoenzyme synthetase; Acts both as a biotin--[acetyl-CoA-carboxylase] ligase and a biotin-operon repressor. In the presence of ATP, BirA activates biotin to form the BirA-biotinyl-5'-adenylate (BirA-bio-5'-AMP or holoBirA) complex. HoloBirA can either transfer the biotinyl moiety to the biotin carboxyl carrier protein (BCCP) subunit of acetyl-CoA carboxylase, or bind to the biotin operator site and inhibit transcription of the operon. | 0.602 |
| argR | iciA | STM3360 | STM3064 | Repressor of arg regulon; Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes; Belongs to the ArgR family. | Inhibitor of replication initiation; Controls the transcription of genes involved in arginine and lysine metabolism; Belongs to the LysR transcriptional regulatory family. | 0.520 |
| argR | ybaD | STM3360 | STM0415 | Repressor of arg regulon; Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes; Belongs to the ArgR family. | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.537 |
| birA | argR | STM4138 | STM3360 | biotin-[acetylCoA carboxylase] holoenzyme synthetase; Acts both as a biotin--[acetyl-CoA-carboxylase] ligase and a biotin-operon repressor. In the presence of ATP, BirA activates biotin to form the BirA-biotinyl-5'-adenylate (BirA-bio-5'-AMP or holoBirA) complex. HoloBirA can either transfer the biotinyl moiety to the biotin carboxyl carrier protein (BCCP) subunit of acetyl-CoA carboxylase, or bind to the biotin operator site and inhibit transcription of the operon. | Repressor of arg regulon; Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes; Belongs to the ArgR family. | 0.602 |
| birA | ribD | STM4138 | STM0416 | biotin-[acetylCoA carboxylase] holoenzyme synthetase; Acts both as a biotin--[acetyl-CoA-carboxylase] ligase and a biotin-operon repressor. In the presence of ATP, BirA activates biotin to form the BirA-biotinyl-5'-adenylate (BirA-bio-5'-AMP or holoBirA) complex. HoloBirA can either transfer the biotinyl moiety to the biotin carboxyl carrier protein (BCCP) subunit of acetyl-CoA carboxylase, or bind to the biotin operator site and inhibit transcription of the operon. | Pyrimidine deaminase; 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. | 0.604 |
| birA | ybaD | STM4138 | STM0415 | biotin-[acetylCoA carboxylase] holoenzyme synthetase; Acts both as a biotin--[acetyl-CoA-carboxylase] ligase and a biotin-operon repressor. In the presence of ATP, BirA activates biotin to form the BirA-biotinyl-5'-adenylate (BirA-bio-5'-AMP or holoBirA) complex. HoloBirA can either transfer the biotinyl moiety to the biotin carboxyl carrier protein (BCCP) subunit of acetyl-CoA carboxylase, or bind to the biotin operator site and inhibit transcription of the operon. | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.584 |
| cmk | ybaD | STM0980 | STM0415 | Cytidine monophosphate (CMP) kinase; Similar to E. coli cytidylate kinase (AAC73996.1); Blastp hit to AAC73996.1 (227 aa), 97% identity in aa 1 - 227. | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.707 |
| iciA | argR | STM3064 | STM3360 | Inhibitor of replication initiation; Controls the transcription of genes involved in arginine and lysine metabolism; Belongs to the LysR transcriptional regulatory family. | Repressor of arg regulon; Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes; Belongs to the ArgR family. | 0.520 |
| iciA | ybaD | STM3064 | STM0415 | Inhibitor of replication initiation; Controls the transcription of genes involved in arginine and lysine metabolism; Belongs to the LysR transcriptional regulatory family. | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.575 |
| nrdI | ybaD | STM2806 | STM0415 | Stimulates ribonucleotide reduction; Probably involved in ribonucleotide reductase function. | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.544 |
| nusB | pgpA | STM0418 | STM0420 | Transcription termination; 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. | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). | 0.670 |
| nusB | ribD | STM0418 | STM0416 | Transcription termination; 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. | Pyrimidine deaminase; 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. | 0.962 |
| nusB | ribH | STM0418 | STM0417 | Transcription termination; 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 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 (By similarity); Belongs to the DMRL synthase family. | 0.997 |
| nusB | thiL | STM0418 | STM0419 | Transcription termination; 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. | Thiamin-monophosphate kinase; Catalyzes the ATP-dependent phosphorylation of thiamine- monophosphate (TMP) to form thiamine-pyrophosphate (TPP), the active form of vitamin B1. | 0.910 |
| nusB | ybaD | STM0418 | STM0415 | Transcription termination; 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. | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.883 |
| pgpA | nusB | STM0420 | STM0418 | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). | Transcription termination; 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. | 0.670 |
| pgpA | ribD | STM0420 | STM0416 | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). | Pyrimidine deaminase; 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. | 0.683 |
| pgpA | ribH | STM0420 | STM0417 | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). | 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 (By similarity); Belongs to the DMRL synthase family. | 0.654 |
| pgpA | thiL | STM0420 | STM0419 | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). | Thiamin-monophosphate kinase; Catalyzes the ATP-dependent phosphorylation of thiamine- monophosphate (TMP) to form thiamine-pyrophosphate (TPP), the active form of vitamin B1. | 0.852 |
| pgpA | ybaD | STM0420 | STM0415 | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). | Putative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. | 0.554 |
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