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topB | DNA topoisomerase III; Releases the supercoiling and torsional tension of DNA, which is introduced during the DNA replication and transcription, by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA- (5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand then undergoes passage around the unbroken strand, thus removing DNA su [...] (670 aa) | ||||
dinB | DNA-directed DNA polymerase; Poorly processive, error-prone DNA polymerase involved in untargeted mutagenesis. Copies undamaged DNA at stalled replication forks, which arise in vivo from mismatched or misaligned primer ends. These misaligned primers can be extended by PolIV. Exhibits no 3'-5' exonuclease (proofreading) activity. May be involved in translesional synthesis, in conjunction with the beta clamp from PolIII. (359 aa) | ||||
Shew_2931 | KEGG: son:SO1172 DNA polymerase III delta subunit; TIGRFAM: DNA polymerase III, delta subunit; PFAM: DNA polymerase III, delta. (343 aa) | ||||
Shew_2944 | Hypothetical protein. (107 aa) | ||||
Shew_3009 | PFAM: transposase, IS111A/IS1328/IS1533; transposase IS116/IS110/IS902 family protein; KEGG: she:Shewmr4_3024 transposase IS116/IS110/IS902 family protein. (337 aa) | ||||
Shew_3054 | KEGG: abo:ABO_1660 hypothetical protein. (192 aa) | ||||
ung | Uracil-DNA glycosylase; Excises uracil residues from the DNA which can arise as a result of misincorporation of dUMP residues by DNA polymerase or due to deamination of cytosine. (222 aa) | ||||
Shew_3278 | Primary replicative DNA helicase; Participates in initiation and elongation during chromosome replication; it exhibits DNA-dependent ATPase activity and contains distinct active sites for ATP binding, DNA binding, and interaction with DnaC protein, primase, and other prepriming proteins. Belongs to the helicase family. DnaB subfamily. (468 aa) | ||||
Shew_3385 | TIGRFAM: DNA helicase II; PFAM: UvrD/REP helicase; KEGG: she:Shewmr4_0473 DNA helicase II. (726 aa) | ||||
Shew_3474 | KEGG: son:SO4241 ATP-dependent DNA helicase RecQ; TIGRFAM: ATP-dependent DNA helicase, RecQ family; ATP-dependent DNA helicase RecQ; PFAM: helicase domain protein; HRDC domain protein; DEAD/DEAH box helicase domain protein; SMART: DEAD-like helicases-like. (610 aa) | ||||
recG | ATP-dependent DNA helicase RecG; Critical role in recombination and DNA repair. Helps process Holliday junction intermediates to mature products by catalyzing branch migration. Has a DNA unwinding activity characteristic of a DNA helicase with a 3'- to 5'- polarity. Unwinds branched duplex DNA (Y- DNA); Belongs to the helicase family. RecG subfamily. (691 aa) | ||||
Shew_3552 | PFAM: transposase, IS111A/IS1328/IS1533; transposase IS116/IS110/IS902 family protein; KEGG: she:Shewmr4_3024 transposase IS116/IS110/IS902 family protein. (337 aa) | ||||
mutM | Formamidopyrimidine-DNA glycosylase / DNA-(apurinic or apyrimidinic site) lyase; Involved in base excision repair of DNA damaged by oxidation or by mutagenic agents. Acts as DNA glycosylase that recognizes and removes damaged bases. Has a preference for oxidized purines, such as 7,8-dihydro-8-oxoguanine (8-oxoG). Has AP (apurinic/apyrimidinic) lyase activity and introduces nicks in the DNA strand. Cleaves the DNA backbone by beta-delta elimination to generate a single-strand break at the site of the removed base with both 3'- and 5'-phosphates. (271 aa) | ||||
polA | DNA polymerase I; In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity; Belongs to the DNA polymerase type-A family. (930 aa) | ||||
Shew_3731 | PFAM: DNA topoisomerase, type IA, zn finger domain protein; KEGG: shm:Shewmr7_0031 DNA topoisomerase, type IA, zn finger domain protein. (187 aa) | ||||
Shew_0002 | 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 [...] (366 aa) | ||||
gyrB | DNA gyrase subunit B; 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. (805 aa) | ||||
Shew_0011 | KEGG: shm:Shewmr7_0010 DNA-3-methyladenine glycosylase I; TIGRFAM: DNA-3-methyladenine glycosylase I; PFAM: methyladenine glycosylase. (189 aa) | ||||
Shew_0029 | KEGG: shm:Shewmr7_3932 conserved hypothetical 3-methyladenine DNA glycosylase. (229 aa) | ||||
Shew_0216 | KEGG: sdn:Sden_0264 DNA adenine methylase; TIGRFAM: DNA adenine methylase; PFAM: D12 class N6 adenine-specific DNA methyltransferase. (279 aa) | ||||
rep | ATP-dependent DNA helicase Rep; Rep helicase is a single-stranded DNA-dependent ATPase involved in DNA replication; it can initiate unwinding at a nick in the DNA. It binds to the single-stranded DNA and acts in a progressive fashion along the DNA in the 3' to 5' direction. (670 aa) | ||||
xerC | Tyrosine recombinase XerC; Site-specific tyrosine recombinase, which acts by catalyzing the cutting and rejoining of the recombining DNA molecules. The XerC- XerD complex is essential to convert dimers of the bacterial chromosome into monomers to permit their segregation at cell division. It also contributes to the segregational stability of plasmids. (297 aa) | ||||
priA | Primosomal protein N; Involved in the restart of stalled replication forks. Recognizes and binds the arrested nascent DNA chain at stalled replication forks. It can open the DNA duplex, via its helicase activity, and promote assembly of the primosome and loading of the major replicative helicase DnaB onto DNA; Belongs to the helicase family. PriA subfamily. (731 aa) | ||||
rapA | SNF2-related protein; Transcription regulator that activates transcription by stimulating RNA polymerase (RNAP) recycling in case of stress conditions such as supercoiled DNA or high salt concentrations. Probably acts by releasing the RNAP, when it is trapped or immobilized on tightly supercoiled DNA. Does not activate transcription on linear DNA. Probably not involved in DNA repair; Belongs to the SNF2/RAD54 helicase family. RapA subfamily. (968 aa) | ||||
uvrA | Excinuclease ABC subunit A; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. UvrA is an ATPase and a DNA-binding protein. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. When the presence of a lesion has been verified by UvrB, the UvrA molecules dissociate. (941 aa) | ||||
parE | DNA topoisomerase IV subunit B; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase family. ParE type 1 subfamily. (628 aa) | ||||
parC | DNA topoisomerase IV subunit A; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase GyrA/ParC subunit family. ParC type 1 subfamily. (755 aa) | ||||
mutL | DNA mismatch repair protein MutL; This protein is involved in the repair of mismatches in DNA. It is required for dam-dependent methyl-directed DNA mismatch repair. May act as a 'molecular matchmaker', a protein that promotes the formation of a stable complex between two or more DNA-binding proteins in an ATP-dependent manner without itself being part of a final effector complex. (631 aa) | ||||
xerD | Tyrosine recombinase XerD; Site-specific tyrosine recombinase, which acts by catalyzing the cutting and rejoining of the recombining DNA molecules. The XerC- XerD complex is essential to convert dimers of the bacterial chromosome into monomers to permit their segregation at cell division. It also contributes to the segregational stability of plasmids. (303 aa) | ||||
Shew_0924 | PFAM: DNA polymerase III chi subunit, HolC; KEGG: shm:Shewmr7_1202 DNA polymerase III chi subunit, HolC. (153 aa) | ||||
Shew_0928 | PFAM: transposase, IS111A/IS1328/IS1533; transposase IS116/IS110/IS902 family protein; KEGG: she:Shewmr4_3024 transposase IS116/IS110/IS902 family protein. (337 aa) | ||||
Shew_0989 | PFAM: MobA/MobL protein; KEGG: atc:AGR_L_66 hypothetical protein. (430 aa) | ||||
Shew_0991 | PFAM: Resolvase, N-terminal domain; Resolvase helix-turn-helix domain protein; KEGG: psb:Psyr_2668 helix-turn-helix, fis-type. (205 aa) | ||||
Shew_0992 | PFAM: BsuBIPstI restriction endonuclease domain protein; KEGG: ssn:SSO_1584 putative restriction endonuclease. (365 aa) | ||||
Shew_0993 | PFAM: Eco57I restriction endonuclease; KEGG: ssn:SSO_1583 putative methylase. (595 aa) | ||||
Shew_1028 | KEGG: mes:Meso_4150 hypothetical protein. (201 aa) | ||||
nfo | Endonuclease IV; Endonuclease IV plays a role in DNA repair. It cleaves phosphodiester bonds at apurinic or apyrimidinic sites (AP sites) to produce new 5'-ends that are base-free deoxyribose 5-phosphate residues. It preferentially attacks modified AP sites created by bleomycin and neocarzinostatin. (283 aa) | ||||
Shew_1108 | KEGG: she:Shewmr4_2947 methylation site containing protein. (163 aa) | ||||
Shew_1109 | KEGG: son:SO3520 type IV pilus biogenesis protein, putative. (170 aa) | ||||
Shew_1114 | PFAM: SapC family protein; KEGG: pha:PSHAa1142 hypothetical protein. (239 aa) | ||||
Shew_1123 | A/G-specific DNA-adenine glycosylase; Adenine glycosylase active on G-A mispairs. (368 aa) | ||||
Shew_1141 | PFAM: transposase, IS111A/IS1328/IS1533; transposase IS116/IS110/IS902 family protein; KEGG: she:Shewmr4_3024 transposase IS116/IS110/IS902 family protein. (337 aa) | ||||
mutS | DNA mismatch repair protein MutS; This protein is involved in the repair of mismatches in DNA. It is possible that it carries out the mismatch recognition step. This protein has a weak ATPase activity. (855 aa) | ||||
recA | recA protein; 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. It interacts with LexA causing its activation and leading to its autocatalytic cleavage; Belongs to the RecA family. (353 aa) | ||||
Shew_1260 | PFAM: DNA methylase N-4/N-6 domain protein; KEGG: cgb:cg1028 putative restriction-modification system: methylase. (719 aa) | ||||
Shew_1261 | PFAM: type III restriction enzyme, res subunit; KEGG: ecj:JW0270 hypothetical protein. (861 aa) | ||||
Shew_1264 | PFAM: UvrD/REP helicase; KEGG: sty:HCM1.103 putative DNA helicase. (678 aa) | ||||
Shew_1282 | KEGG: shm:Shewmr7_1287 hypothetical protein. (74 aa) | ||||
xseA | Exodeoxyribonuclease VII large subunit; Bidirectionally degrades single-stranded DNA into large acid- insoluble oligonucleotides, which are then degraded further into small acid-soluble oligonucleotides; Belongs to the XseA family. (442 aa) | ||||
Shew_1452 | DNA-3-methyladenine glycosylase II / DNA-O6-methylguanine--protein-cysteine S-methyltransferase; PFAM: helix-turn-helix- domain containing protein, AraC type; Ada, metal-binding domain protein; AlkA domain protein; SMART: HhH-GPD family protein; KEGG: she:Shewmr4_1367 transcriptional regulator, AraC family. (503 aa) | ||||
Shew_1469 | KEGG: gsu:GSU0552 hypothetical protein. (543 aa) | ||||
Shew_1580 | TIGRFAM: DNA polymerase III, delta prime subunit; KEGG: son:SO2612 DNA polymerase III, delta prime subunit. (304 aa) | ||||
Shew_1582 | TIGRFAM: hydrolase, TatD family; PFAM: TatD-related deoxyribonuclease; KEGG: shm:Shewmr7_1739 hydrolase, TatD family. (262 aa) | ||||
Shew_1587 | PFAM: ATP dependent DNA ligase; KEGG: sfr:Sfri_1484 ATP dependent DNA ligase. (270 aa) | ||||
Shew_1611 | PFAM: Exonuclease, RNase T and DNA polymerase III; Exonuclease C-terminal domain protein; KEGG: son:SO2790 exodeoxyribonuclease I. (482 aa) | ||||
uvrC | Excinuclease ABC subunit C; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. UvrC both incises the 5' and 3' sides of the lesion. The N-terminal half is responsible for the 3' incision and the C-terminal half is responsible for the 5' incision. (609 aa) | ||||
Shew_1871 | KEGG: vfi:VFA0016 DNA polymerase III epsilon subunit (3'-5' exonuclease); TIGRFAM: DNA polymerase III, epsilon subunit; PFAM: Exonuclease, RNase T and DNA polymerase III; SMART: Exonuclease. (204 aa) | ||||
Shew_1892 | PFAM: SNF2-related protein; helicase domain protein; SMART: DEAD-like helicases-like; KEGG: pae:PA0799 probable helicase. (1161 aa) | ||||
Shew_1894 | Conserved hypothetical protein; Nuclease required for the repair of DNA interstrand cross- links (ICL). Acts as a 5'-3' exonuclease that anchors at a cut end of DNA and cleaves DNA successively at every third nucleotide, allowing to excise an ICL from one strand through flanking incisions. Belongs to the FAN1 family. (643 aa) | ||||
gyrA | DNA gyrase subunit A; 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. (879 aa) | ||||
uvrB | Excinuclease ABC subunit B; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. Upon binding of the UvrA(2)B(2) complex to a putative damaged site, the DNA wraps around one UvrB monomer. DNA wrap is dependent on ATP binding by UvrB and probably causes local melting of the DNA helix, facilitating insertion of UvrB beta-hairpin between the DNA strands. Then UvrB probes one DNA strand for the presence of a lesion. If a lesion is found the UvrA subunits dissociate [...] (672 aa) | ||||
nth | Endonuclease III / DNA-(apurinic or apyrimidinic site) lyase; DNA repair enzyme that has both DNA N-glycosylase activity and AP-lyase activity. The DNA N-glycosylase activity releases various damaged pyrimidines from DNA by cleaving the N-glycosidic bond, leaving an AP (apurinic/apyrimidinic) site. The AP-lyase activity cleaves the phosphodiester bond 3' to the AP site by a beta-elimination, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'- phosphate. (213 aa) | ||||
ruvB | Holliday junction DNA helicase RuvB; The RuvA-RuvB complex in the presence of ATP renatures cruciform structure in supercoiled DNA with palindromic sequence, indicating that it may promote strand exchange reactions in homologous recombination. RuvAB is a helicase that mediates the Holliday junction migration by localized denaturation and reannealing. (337 aa) | ||||
ruvA | Holliday junction DNA helicase RuvA; The RuvA-RuvB complex in the presence of ATP renatures cruciform structure in supercoiled DNA with palindromic sequence, indicating that it may promote strand exchange reactions in homologous recombination. RuvAB is a helicase that mediates the Holliday junction migration by localized denaturation and reannealing. RuvA stimulates, in the presence of DNA, the weak ATPase activity of RuvB. (205 aa) | ||||
ruvC | Crossover junction endodeoxyribonuclease RuvC; Nuclease that resolves Holliday junction intermediates in genetic recombination. Cleaves the cruciform structure in supercoiled DNA by nicking to strands with the same polarity at sites symmetrically opposed at the junction in the homologous arms and leaves a 5'-terminal phosphate and a 3'-terminal hydroxyl group. (173 aa) | ||||
dnaE2 | DNA polymerase III, alpha subunit; DNA polymerase involved in damage-induced mutagenesis and translesion synthesis (TLS). It is not the major replicative DNA polymerase. (1078 aa) | ||||
Shew_2101 | KEGG: bxe:Bxe_A3165 hypothetical protein. (684 aa) | ||||
dnaQ | DNA polymerase III, epsilon subunit; DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. The epsilon subunit contain the editing function and is a proofreading 3'- 5' exonuclease. (242 aa) | ||||
recC | Exodeoxyribonuclease V, gamma subunit; A helicase/nuclease that prepares dsDNA breaks (DSB) for recombinational DNA repair. Binds to DSBs and unwinds DNA via a highly rapid and processive ATP-dependent bidirectional helicase activity. Unwinds dsDNA until it encounters a Chi (crossover hotspot instigator) sequence from the 3' direction. Cuts ssDNA a few nucleotides 3' to the Chi site. The properties and activities of the enzyme are changed at Chi. The Chi-altered holoenzyme produces a long 3'-ssDNA overhang and facilitates RecA-binding to the ssDNA for homologous DNA recombination and r [...] (1192 aa) | ||||
recB | Exodeoxyribonuclease V, beta subunit; A helicase/nuclease that prepares dsDNA breaks (DSB) for recombinational DNA repair. Binds to DSBs and unwinds DNA via a highly rapid and processive ATP-dependent bidirectional helicase activity. Unwinds dsDNA until it encounters a Chi (crossover hotspot instigator) sequence from the 3' direction. Cuts ssDNA a few nucleotides 3' to the Chi site. The properties and activities of the enzyme are changed at Chi. The Chi-altered holoenzyme produces a long 3'-ssDNA overhang and facilitates RecA-binding to the ssDNA for homologous DNA recombination and re [...] (1223 aa) | ||||
recD | Exodeoxyribonuclease V, alpha subunit; A helicase/nuclease that prepares dsDNA breaks (DSB) for recombinational DNA repair. Binds to DSBs and unwinds DNA via a highly rapid and processive ATP-dependent bidirectional helicase activity. Unwinds dsDNA until it encounters a Chi (crossover hotspot instigator) sequence from the 3' direction. Cuts ssDNA a few nucleotides 3' to the Chi site. The properties and activities of the enzyme are changed at Chi. The Chi-altered holoenzyme produces a long 3'-ssDNA overhang and facilitates RecA-binding to the ssDNA for homologous DNA recombination and r [...] (662 aa) | ||||
topA | DNA topoisomerase I; Releases the supercoiling and torsional tension of DNA, which is introduced during the DNA replication and transcription, by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA- (5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand then undergoes passage around the unbroken strand, thus removing DNA supe [...] (898 aa) | ||||
Shew_2235 | KEGG: shm:Shewmr7_2326 DNA polymerase III, subunits gamma and tau; TIGRFAM: DNA polymerase III, subunits gamma and tau; PFAM: AAA ATPase, central domain protein; SMART: AAA ATPase. (1113 aa) | ||||
Shew_2262 | TIGRFAM: exodeoxyribonuclease III; exodeoxyribonuclease III Xth; PFAM: Endonuclease/exonuclease/phosphatase; KEGG: shm:Shewmr7_1513 exodeoxyribonuclease III. (269 aa) | ||||
Shew_2273 | PFAM: transposase, IS111A/IS1328/IS1533; transposase IS116/IS110/IS902 family protein; KEGG: she:Shewmr4_3024 transposase IS116/IS110/IS902 family protein. (337 aa) | ||||
Shew_2359 | PFAM: Uracil-DNA glycosylase superfamily; KEGG: dar:Daro_1297 hypothetical protein. (196 aa) | ||||
ligA | DNA ligase, NAD-dependent; DNA ligase that catalyzes the formation of phosphodiester linkages between 5'-phosphoryl and 3'-hydroxyl groups in double- stranded DNA using NAD as a coenzyme and as the energy source for the reaction. It is essential for DNA replication and repair of damaged DNA. (669 aa) | ||||
prmB | Modification methylase, HemK family; Specifically methylates the 50S ribosomal protein L3 on a specific glutamine residue; Belongs to the protein N5-glutamine methyltransferase family. PrmB subfamily. (314 aa) | ||||
Shew_2447 | KEGG: shm:Shewmr7_2509 hypothetical protein. (118 aa) | ||||
Shew_2482 | PFAM: DNA polymerase B, exonuclease; DNA polymerase B region; SMART: DNA-directed DNA polymerase B; KEGG: she:Shewmr4_2469 DNA polymerase B region. (795 aa) | ||||
Shew_2620 | KEGG: shm:Shewmr7_2693 DNA polymerase III, alpha subunit; TIGRFAM: DNA polymerase III, alpha subunit; PFAM: PHP C-terminal domain protein; nucleic acid binding, OB-fold, tRNA/helicase-type; SMART: phosphoesterase PHP domain protein. (1157 aa) | ||||
xni | 5'-3' exonuclease; Has flap endonuclease activity. During DNA replication, flap endonucleases cleave the 5'-overhanging flap structure that is generated by displacement synthesis when DNA polymerase encounters the 5'-end of a downstream Okazaki fragment. (256 aa) | ||||
xseB | Exodeoxyribonuclease VII small subunit; Bidirectionally degrades single-stranded DNA into large acid- insoluble oligonucleotides, which are then degraded further into small acid-soluble oligonucleotides; Belongs to the XseB family. (79 aa) | ||||
Shew_2807 | TIGRFAM: DNA repair protein RadA; KEGG: sfr:Sfri_1010 DNA repair protein RadA. (457 aa) | ||||
Shew_3829 | PFAM: transposase IS3/IS911 family protein; KEGG: vch:VCA0792 transposase OrfAB, subunit A. (102 aa) | ||||
Shew_3838 | PFAM: transposase, IS4 family protein; KEGG: vch:VCA0472 IS5 transposase. (326 aa) | ||||
Shew_3862 | PFAM: Resolvase, N-terminal domain; Resolvase helix-turn-helix domain protein; KEGG: rha:RHA1_ro03159 resolvase. (194 aa) |