| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| codY | purA | BSU16170 | BSU40420 | Transcriptional regulator, GTP and BCAA-dependent; DNA-binding protein that represses the expression of many genes that are induced as cells make the transition from rapid exponential growth to stationary phase and sporulation. It is a GTP- binding protein that senses the intracellular GTP concentration as an indicator of nutritional limitations. At low GTP concentration it no longer binds GTP and stop to act as a transcriptional repressor. | Adenylosuccinate synthetase; Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | 0.448 |
| codY | purR | BSU16170 | BSU00470 | Transcriptional regulator, GTP and BCAA-dependent; DNA-binding protein that represses the expression of many genes that are induced as cells make the transition from rapid exponential growth to stationary phase and sporulation. It is a GTP- binding protein that senses the intracellular GTP concentration as an indicator of nutritional limitations. At low GTP concentration it no longer binds GTP and stop to act as a transcriptional repressor. | Transcriptional regulator of the purine biosynthesis operon; Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon. DNA binding is inhibited by 5-phosphoribosyl 1-pyrophosphate; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.810 |
| codY | pyrR | BSU16170 | BSU15470 | Transcriptional regulator, GTP and BCAA-dependent; DNA-binding protein that represses the expression of many genes that are induced as cells make the transition from rapid exponential growth to stationary phase and sporulation. It is a GTP- binding protein that senses the intracellular GTP concentration as an indicator of nutritional limitations. At low GTP concentration it no longer binds GTP and stop to act as a transcriptional repressor. | Transcriptional attenuator and uracil phosphoribosyltransferase activity; Regulates transcriptional attenuation of the pyrimidine nucleotide (pyr) operon by binding in a uridine-dependent manner to specific sites on pyr mRNA. This disrupts an antiterminator hairpin in the RNA and favors formation of a downstream transcription terminator, leading to a reduced expression of downstream genes; Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrR subfamily. | 0.522 |
| gcaD | ispE | BSU00500 | BSU00460 | Bifunctional glucosamine-1-phosphate N-acetyltransferase/UDP-N-acetylglucosamine pyrophosphorylase; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. In the C-terminal section; belon [...] | 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase; Catalyzes the phosphorylation of the position 2 hydroxy group of 4-diphosphocytidyl-2C-methyl-D-erythritol. | 0.567 |
| gcaD | prs | BSU00500 | BSU00510 | Bifunctional glucosamine-1-phosphate N-acetyltransferase/UDP-N-acetylglucosamine pyrophosphorylase; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. In the C-terminal section; belon [...] | Phosphoribosylpyrophosphate synthetase; Involved in the biosynthesis of the central metabolite phospho-alpha-D-ribosyl-1-pyrophosphate (PRPP) via the transfer of pyrophosphoryl group from ATP to 1-hydroxyl of ribose-5-phosphate (Rib- 5-P). | 0.997 |
| gcaD | purR | BSU00500 | BSU00470 | Bifunctional glucosamine-1-phosphate N-acetyltransferase/UDP-N-acetylglucosamine pyrophosphorylase; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. In the C-terminal section; belon [...] | Transcriptional regulator of the purine biosynthesis operon; Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon. DNA binding is inhibited by 5-phosphoribosyl 1-pyrophosphate; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.899 |
| gcaD | yabJ | BSU00500 | BSU00480 | Bifunctional glucosamine-1-phosphate N-acetyltransferase/UDP-N-acetylglucosamine pyrophosphorylase; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. In the C-terminal section; belon [...] | Aminoacrylate/iminopropionate hydrolase/deaminase; Accelerates the release of ammonia from reactive enamine/imine intermediates of the PLP-dependent threonine dehydratase (IlvA) in the low water environment of the cell. It catalyzes the deamination of enamine/imine intermediates to yield 2-ketobutyrate and ammonia. It is required for the detoxification of reactive intermediates of IlvA due to their highly nucleophilic abilities. Involved in the isoleucine biosynthesis. May have a role in the purine metabolism; Belongs to the RutC family. | 0.571 |
| ispE | gcaD | BSU00460 | BSU00500 | 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase; Catalyzes the phosphorylation of the position 2 hydroxy group of 4-diphosphocytidyl-2C-methyl-D-erythritol. | Bifunctional glucosamine-1-phosphate N-acetyltransferase/UDP-N-acetylglucosamine pyrophosphorylase; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. In the C-terminal section; belon [...] | 0.567 |
| ispE | prs | BSU00460 | BSU00510 | 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase; Catalyzes the phosphorylation of the position 2 hydroxy group of 4-diphosphocytidyl-2C-methyl-D-erythritol. | Phosphoribosylpyrophosphate synthetase; Involved in the biosynthesis of the central metabolite phospho-alpha-D-ribosyl-1-pyrophosphate (PRPP) via the transfer of pyrophosphoryl group from ATP to 1-hydroxyl of ribose-5-phosphate (Rib- 5-P). | 0.516 |
| ispE | purR | BSU00460 | BSU00470 | 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase; Catalyzes the phosphorylation of the position 2 hydroxy group of 4-diphosphocytidyl-2C-methyl-D-erythritol. | Transcriptional regulator of the purine biosynthesis operon; Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon. DNA binding is inhibited by 5-phosphoribosyl 1-pyrophosphate; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.808 |
| ispE | yabJ | BSU00460 | BSU00480 | 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase; Catalyzes the phosphorylation of the position 2 hydroxy group of 4-diphosphocytidyl-2C-methyl-D-erythritol. | Aminoacrylate/iminopropionate hydrolase/deaminase; Accelerates the release of ammonia from reactive enamine/imine intermediates of the PLP-dependent threonine dehydratase (IlvA) in the low water environment of the cell. It catalyzes the deamination of enamine/imine intermediates to yield 2-ketobutyrate and ammonia. It is required for the detoxification of reactive intermediates of IlvA due to their highly nucleophilic abilities. Involved in the isoleucine biosynthesis. May have a role in the purine metabolism; Belongs to the RutC family. | 0.759 |
| pbuO | pbuX | BSU29990 | BSU22060 | Hypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine. May work at purine concentrations higher than 100 uM. | Xanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. | 0.921 |
| pbuO | purA | BSU29990 | BSU40420 | Hypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine. May work at purine concentrations higher than 100 uM. | Adenylosuccinate synthetase; Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | 0.731 |
| pbuO | purR | BSU29990 | BSU00470 | Hypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine. May work at purine concentrations higher than 100 uM. | Transcriptional regulator of the purine biosynthesis operon; Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon. DNA binding is inhibited by 5-phosphoribosyl 1-pyrophosphate; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.809 |
| pbuO | yabJ | BSU29990 | BSU00480 | Hypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine. May work at purine concentrations higher than 100 uM. | Aminoacrylate/iminopropionate hydrolase/deaminase; Accelerates the release of ammonia from reactive enamine/imine intermediates of the PLP-dependent threonine dehydratase (IlvA) in the low water environment of the cell. It catalyzes the deamination of enamine/imine intermediates to yield 2-ketobutyrate and ammonia. It is required for the detoxification of reactive intermediates of IlvA due to their highly nucleophilic abilities. Involved in the isoleucine biosynthesis. May have a role in the purine metabolism; Belongs to the RutC family. | 0.641 |
| pbuX | pbuO | BSU22060 | BSU29990 | Xanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. | Hypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine. May work at purine concentrations higher than 100 uM. | 0.921 |
| pbuX | purA | BSU22060 | BSU40420 | Xanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. | Adenylosuccinate synthetase; Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | 0.640 |
| pbuX | purF | BSU22060 | BSU06490 | Xanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. | Glutamine phosphoribosylpyrophosphate amidotransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine. | 0.688 |
| pbuX | purR | BSU22060 | BSU00470 | Xanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. | Transcriptional regulator of the purine biosynthesis operon; Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon. DNA binding is inhibited by 5-phosphoribosyl 1-pyrophosphate; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.801 |
| pbuX | pyrR | BSU22060 | BSU15470 | Xanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. | Transcriptional attenuator and uracil phosphoribosyltransferase activity; Regulates transcriptional attenuation of the pyrimidine nucleotide (pyr) operon by binding in a uridine-dependent manner to specific sites on pyr mRNA. This disrupts an antiterminator hairpin in the RNA and favors formation of a downstream transcription terminator, leading to a reduced expression of downstream genes; Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrR subfamily. | 0.631 |