node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
ABK70060.1 | rpoB | MSMEG_6565 | MSMEG_1367 | Conserved hypothetical protein. | DNA-directed RNA polymerase, beta subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit often mutates to generate rifampicin (Rif) resistance. Interaction with RbpA partially restores Rif-inhibited transcription; once the subunit is Rif-resistant however RbpA no longer stimulates transcription. | 0.453 |
ABK70060.1 | topoN | MSMEG_6565 | MSMEG_0457 | Conserved hypothetical protein. | DNA topoisomerase IV subunit B; Catalyzes the relaxation of negatively supercoiled DNA in the presence of ATP or dATP but not other nucleotides. Individual subunits have no activity. Not able to negatively supercoil DNA, it can however introduce positive supercoils in DNA. Relaxes positive supercoils in an ATP-dependent manner. Catenates and decatenates DNA. Generates dsDNA breaks in the presence of the quinolone antibiotic ciprofloxacin, showing it is a topoisomerase. | 0.856 |
ABK70833.1 | topoM | MSMEG_3975 | MSMEG_0456 | Regulatory protein, putative; Identified by match to protein family HMM PF07905. | DNA gyrase subunit A; Catalyzes the relaxation of negatively supercoiled DNA in the presence of ATP or dATP but not other nucleotides. Individual subunits have no activity. Not able to negatively supercoil DNA, it can however introduce positive supercoils in DNA. Relaxes positive supercoils in an ATP-dependent manner. Catenates and decatenates DNA. Generates dsDNA breaks in the presence of the quinolone antibiotic ciprofloxacin, showing it is a topoisomerase. | 0.730 |
ABK70833.1 | topoN | MSMEG_3975 | MSMEG_0457 | Regulatory protein, putative; Identified by match to protein family HMM PF07905. | DNA topoisomerase IV subunit B; Catalyzes the relaxation of negatively supercoiled DNA in the presence of ATP or dATP but not other nucleotides. Individual subunits have no activity. Not able to negatively supercoil DNA, it can however introduce positive supercoils in DNA. Relaxes positive supercoils in an ATP-dependent manner. Catenates and decatenates DNA. Generates dsDNA breaks in the presence of the quinolone antibiotic ciprofloxacin, showing it is a topoisomerase. | 0.752 |
ABK71317.1 | dnaN | MSMEG_1784 | MSMEG_0001 | Type I topoisomerase. | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | 0.411 |
ABK71317.1 | recA | MSMEG_1784 | MSMEG_2723 | Type I topoisomerase. | Protein RecA; Required for homologous recombination (HR) and the bypass of mutagenic DNA lesions (double strand breaks, DSB) by the SOS response. Can catalyze the hydrolysis of ATP in the presence of single-stranded DNA, the ATP-dependent uptake of single-stranded DNA by duplex DNA, and the ATP-dependent hybridization of homologous single-stranded DNAs. Numerous X-ray crystals have been resolved under different conditions which indicate the flexibility of the protein, essential to its function. Gln-196 contributes to this plasticity by acting as a switch residue, which transmits the ef [...] | 0.400 |
ABK71317.1 | topoM | MSMEG_1784 | MSMEG_0456 | Type I topoisomerase. | DNA gyrase subunit A; Catalyzes the relaxation of negatively supercoiled DNA in the presence of ATP or dATP but not other nucleotides. Individual subunits have no activity. Not able to negatively supercoil DNA, it can however introduce positive supercoils in DNA. Relaxes positive supercoils in an ATP-dependent manner. Catenates and decatenates DNA. Generates dsDNA breaks in the presence of the quinolone antibiotic ciprofloxacin, showing it is a topoisomerase. | 0.411 |
ABK71317.1 | topoN | MSMEG_1784 | MSMEG_0457 | Type I topoisomerase. | DNA topoisomerase IV subunit B; Catalyzes the relaxation of negatively supercoiled DNA in the presence of ATP or dATP but not other nucleotides. Individual subunits have no activity. Not able to negatively supercoil DNA, it can however introduce positive supercoils in DNA. Relaxes positive supercoils in an ATP-dependent manner. Catenates and decatenates DNA. Generates dsDNA breaks in the presence of the quinolone antibiotic ciprofloxacin, showing it is a topoisomerase. | 0.749 |
dnaN | ABK71317.1 | MSMEG_0001 | MSMEG_1784 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | Type I topoisomerase. | 0.411 |
dnaN | gyrA | MSMEG_0001 | MSMEG_0006 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | DNA gyrase, A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. | 0.930 |
dnaN | recA | MSMEG_0001 | MSMEG_2723 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | Protein RecA; Required for homologous recombination (HR) and the bypass of mutagenic DNA lesions (double strand breaks, DSB) by the SOS response. Can catalyze the hydrolysis of ATP in the presence of single-stranded DNA, the ATP-dependent uptake of single-stranded DNA by duplex DNA, and the ATP-dependent hybridization of homologous single-stranded DNAs. Numerous X-ray crystals have been resolved under different conditions which indicate the flexibility of the protein, essential to its function. Gln-196 contributes to this plasticity by acting as a switch residue, which transmits the ef [...] | 0.953 |
dnaN | rpoB | MSMEG_0001 | MSMEG_1367 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | DNA-directed RNA polymerase, beta subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit often mutates to generate rifampicin (Rif) resistance. Interaction with RbpA partially restores Rif-inhibited transcription; once the subunit is Rif-resistant however RbpA no longer stimulates transcription. | 0.765 |
dnaN | rpoC | MSMEG_0001 | MSMEG_1368 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | DNA-directed RNA polymerase, beta' subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. | 0.698 |
dnaN | smpB | MSMEG_0001 | MSMEG_2091 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | SsrA-binding protein; Required for rescue of stalled ribosomes mediated by trans- translation. Binds to transfer-messenger RNA (tmRNA), required for stable association of tmRNA with ribosomes. tmRNA and SmpB together mimic tRNA shape, replacing the anticodon stem-loop with SmpB. tmRNA is encoded by the ssrA gene; the 2 termini fold to resemble tRNA(Ala) and it encodes a 'tag peptide', a short internal open reading frame. During trans-translation Ala-aminoacylated tmRNA acts like a tRNA, entering the A-site of stalled ribosomes, displacing the stalled mRNA. The ribosome then switches to [...] | 0.589 |
dnaN | topoN | MSMEG_0001 | MSMEG_0457 | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | DNA topoisomerase IV subunit B; Catalyzes the relaxation of negatively supercoiled DNA in the presence of ATP or dATP but not other nucleotides. Individual subunits have no activity. Not able to negatively supercoil DNA, it can however introduce positive supercoils in DNA. Relaxes positive supercoils in an ATP-dependent manner. Catenates and decatenates DNA. Generates dsDNA breaks in the presence of the quinolone antibiotic ciprofloxacin, showing it is a topoisomerase. | 0.706 |
gyrA | dnaN | MSMEG_0006 | MSMEG_0001 | DNA gyrase, A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. | DNA polymerase III, beta subunit; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] | 0.930 |
gyrA | recA | MSMEG_0006 | MSMEG_2723 | DNA gyrase, A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. | Protein RecA; Required for homologous recombination (HR) and the bypass of mutagenic DNA lesions (double strand breaks, DSB) by the SOS response. Can catalyze the hydrolysis of ATP in the presence of single-stranded DNA, the ATP-dependent uptake of single-stranded DNA by duplex DNA, and the ATP-dependent hybridization of homologous single-stranded DNAs. Numerous X-ray crystals have been resolved under different conditions which indicate the flexibility of the protein, essential to its function. Gln-196 contributes to this plasticity by acting as a switch residue, which transmits the ef [...] | 0.928 |
gyrA | rpoB | MSMEG_0006 | MSMEG_1367 | DNA gyrase, A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. | DNA-directed RNA polymerase, beta subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit often mutates to generate rifampicin (Rif) resistance. Interaction with RbpA partially restores Rif-inhibited transcription; once the subunit is Rif-resistant however RbpA no longer stimulates transcription. | 0.979 |
gyrA | rpoC | MSMEG_0006 | MSMEG_1368 | DNA gyrase, A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. | DNA-directed RNA polymerase, beta' subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. | 0.946 |
gyrA | smpB | MSMEG_0006 | MSMEG_2091 | DNA gyrase, A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. | SsrA-binding protein; Required for rescue of stalled ribosomes mediated by trans- translation. Binds to transfer-messenger RNA (tmRNA), required for stable association of tmRNA with ribosomes. tmRNA and SmpB together mimic tRNA shape, replacing the anticodon stem-loop with SmpB. tmRNA is encoded by the ssrA gene; the 2 termini fold to resemble tRNA(Ala) and it encodes a 'tag peptide', a short internal open reading frame. During trans-translation Ala-aminoacylated tmRNA acts like a tRNA, entering the A-site of stalled ribosomes, displacing the stalled mRNA. The ribosome then switches to [...] | 0.839 |