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VS_0011 | 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) | ||||
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. (672 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. (933 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. (696 aa) | ||||
orn | Oligoribonuclease; 3'-to-5' exoribonuclease specific for small oligoribonucleotides; Belongs to the oligoribonuclease family. (181 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. (723 aa) | ||||
VS_0284 | 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. (463 aa) | ||||
uvrA | UvrABC system protein 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. (943 aa) | ||||
VS_0323 | Single-strand binding protein (SSB) (Helix-destabilizing protein); Plays an important role in DNA replication, recombination and repair. Binds to ssDNA and to an array of partner proteins to recruit them to their sites of action during DNA metabolism. (185 aa) | ||||
dnaG | DNA primase; RNA polymerase that catalyzes the synthesis of short RNA molecules used as primers for DNA polymerase during DNA replication. (583 aa) | ||||
nfo | Probable 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. (302 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. (224 aa) | ||||
VS_0514 | Single-stranded-DNA-specific exonuclease recJ. (578 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. (492 aa) | ||||
recC | Exodeoxyribonuclease V gamma chain; 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 repa [...] (1158 aa) | ||||
VS_0674 | Conserved hypothetical protein; Homologs of previously reported genes of unknown function. (55 aa) | ||||
recB | Exodeoxyribonuclease V beta chain; 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 repai [...] (1224 aa) | ||||
recD | Putative Exodeoxyribonuclease V alpha chain; 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 [...] (741 aa) | ||||
dinB | DNA polymerase IV; 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. (358 aa) | ||||
VS_0703 | ATP-dependent DNA helicase recQ. (644 aa) | ||||
VS_0716 | DNA polymerase III, delta subunit. (341 aa) | ||||
dnaX | DNA polymerase III subunit tau; DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. This DNA polymerase also exhibits 3' to 5' exonuclease activity. (752 aa) | ||||
VS_0917 | Hypothetical protein; Binds to DNA and alters its conformation. May be involved in regulation of gene expression, nucleoid organization and DNA protection. (109 aa) | ||||
recR | Recombination protein recR; May play a role in DNA repair. It seems to be involved in an RecBC-independent recombinational process of DNA repair. It may act with RecF and RecO. (199 aa) | ||||
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 [...] (663 aa) | ||||
rnt | Ribonuclease T (RNase T); Trims short 3' overhangs of a variety of RNA species, leaving a one or two nucleotide 3' overhang. Responsible for the end-turnover of tRNA: specifically removes the terminal AMP residue from uncharged tRNA (tRNA-C-C-A). Also appears to be involved in tRNA biosynthesis. (241 aa) | ||||
nth | Endonuclease III; 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. (211 aa) | ||||
uvrB | UvrABC system protein 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 and [...] (676 aa) | ||||
VS_1030 | DNA polymerase III delta' subunit. (321 aa) | ||||
dnaE2 | Putative DNA polymerase III alpha chain; DNA polymerase involved in damage-induced mutagenesis and translesion synthesis (TLS). It is not the major replicative DNA polymerase. (1030 aa) | ||||
VS_1059 | Exodeoxyribonuclease III. (268 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 [...] (876 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) | ||||
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. (203 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. (338 aa) | ||||
VS_1252 | Conserved hypothetical protein; Homologs of previously reported genes of unknown function. (620 aa) | ||||
VS_1253 | Putative exonuclease; Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative enzyme. (238 aa) | ||||
VS_1380 | Hypothetical protein; No homology to any previously reported sequences. (297 aa) | ||||
VS_1518 | ATP-dependent DNA ligase. (292 aa) | ||||
VS_1625 | Nuclease sbcCD subunit C. (1240 aa) | ||||
sbcD | Exonuclease SbcD; SbcCD cleaves DNA hairpin structures. These structures can inhibit DNA replication and are intermediates in certain DNA recombination reactions. The complex acts as a 3'->5' double strand exonuclease that can open hairpins. It also has a 5' single-strand endonuclease activity; Belongs to the SbcD family. (417 aa) | ||||
VS_1650 | Putative Helicase IV; Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative enzyme. (961 aa) | ||||
VS_1653 | Putative Ribonuclease HI; Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative enzyme. (146 aa) | ||||
VS_1713 | Exodeoxyribonuclease I. (474 aa) | ||||
VS_1821 | Hypothetical protein. (629 aa) | ||||
VS_1822 | DNA polymerase III polC-type. (238 aa) | ||||
VS_1954 | Putative excinuclease ABC subunit C; Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative enzyme. (246 aa) | ||||
VS_1955 | Putative 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. (352 aa) | ||||
VS_1957 | DNA polymerase II. (787 aa) | ||||
VS_1985 | DNA-3-methyladenine glycosylase. (188 aa) | ||||
ligA | DNA ligase; 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. (670 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. (255 aa) | ||||
rnhA | Ribonuclease HI; Endonuclease that specifically degrades the RNA of RNA-DNA hybrids. (154 aa) | ||||
VS_2337 | DNA polymerase III alpha subunit. (1159 aa) | ||||
xni | Probable exodeoxyribonuclease IX; 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. (257 aa) | ||||
xseB | Probable 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. (80 aa) | ||||
radA | Predicted ATP-dependent serine protease; DNA-dependent ATPase involved in processing of recombination intermediates, plays a role in repairing DNA breaks. Stimulates the branch migration of RecA-mediated strand transfer reactions, allowing the 3' invading strand to extend heteroduplex DNA faster. Binds ssDNA in the presence of ADP but not other nucleotides, has ATPase activity that is stimulated by ssDNA and various branched DNA structures, but inhibited by SSB. Does not have RecA's homology-searching function. (459 aa) | ||||
VS_2469 | Similar to DNA polymerase III, psi subunit; DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. This DNA polymerase also exhibits 3' to 5' exonuclease activity. The exact function of the psi subunit is unknown. (132 aa) | ||||
recA | Protein recA (Recombinase A); 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. (350 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. (853 aa) | ||||
recO | DNA repair protein recO; Involved in DNA repair and RecF pathway recombination. (242 aa) | ||||
VS_2731 | DNA polymerase III chi subunit. (149 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. (733 aa) | ||||
VS_2934 | Hypothetical protein. (88 aa) | ||||
VS_2935 | Sodium/solute symporter; Belongs to the sodium:solute symporter (SSF) (TC 2.A.21) family. (567 aa) | ||||
VS_2940 | Predicted signal-transduction protein. (607 aa) | ||||
VS_2941 | Putative DNA polymerase III, epsilon subunit. (210 aa) | ||||
VS_3077 | RecQ. (612 aa) | ||||
VS_3084 | DNA helicase II. (724 aa) | ||||
VS_II1160 | DNA polymerase III, alpha subunit. (207 aa) | ||||
VS_II1171 | RecA regulator RecX; Modulates RecA activity; Belongs to the RecX family. (277 aa) | ||||
VS_II1430 | Methylated DNA-protein cysteine methyltransferase; Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) and O4-methylthymine (O4-MeT) in DNA. Repairs the methylated nucleobase in DNA by stoichiometrically transferring the methyl group to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated. (160 aa) | ||||
VS_II1431 | 3-methyladenine DNA glycosylase/8-oxoguanine DNA glycosylase. (458 aa) |