STRINGSTRING
dnaN dnaN recF recF gyrB gyrB gyrA gyrA ppiA ppiA ssb ssb dnaB dnaB xthA xthA Rv0628c Rv0628c recD recD recB recB recC recC end end ercc3 ercc3 mku mku ligD ligD Rv0939 Rv0939 uvrD1 uvrD1 Rv1156 Rv1156 Rv1179c Rv1179c Rv1276c Rv1276c Rv1277 Rv1277 Rv1278 Rv1278 Rv1279 Rv1279 ogt ogt alkA alkA dinG dinG priA priA uvrC uvrC dinX dinX dnaE1 dnaE1 polA polA uvrB uvrB uvrA uvrA Rv1961 Rv1961 Rv2090 Rv2090 helZ helZ Rv2102 Rv2102 lppK lppK Rv2119 Rv2119 Rv2191 Rv2191 PE23 PE23 dnaG dnaG recO recO Rv2413c Rv2413c nei1 nei1 Rv2478c Rv2478c Rv2529 Rv2529 ppiB ppiB ruvB ruvB ruvA ruvA ruvC ruvC lexA lexA Rv2734 Rv2734 Rv2735c Rv2735c recX recX Rv2737A Rv2737A recA recA fpg fpg ung ung ligA ligA ligB ligB uvrD2 uvrD2 Rv3200c Rv3200c Rv3201c Rv3201c Rv3202c Rv3202c lhr lhr nei nei mutY mutY Rv3644c Rv3644c topA topA nth nth dnaQ dnaQ recR recR dnaZX dnaZX Rv3730c Rv3730c ligC ligC
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proteins of unknown 3D structure
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dnaNDNA polymerase III (beta chain) DnaN (DNA nucleotidyltransferase); 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 ch [...] (402 aa)
recFDNA replication and repair protein RecF (single-strand DNA binding protein); The RecF protein is involved in DNA metabolism; it is required for DNA replication and normal SOS inducibility. RecF binds preferentially to single-stranded, linear DNA. It also seems to bind ATP (By similarity). (385 aa)
gyrBDNA gyrase subunit B; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to maintain chromosomes in an underwound state, while in the absence of ATP it relaxes supercoiled dsDNA. . Also catalyzes the interconversion of other topological isomers of dsDNA rings, including catenanes. Gyrase from M.tuberculosis has higher decatenation than supercoiling activity compared to E.coli; as M.tuberculosis only has 1 type II topoisomerase, gyrase has to fulfill the decatenation function of topoisomerase IV as well. At comparable c [...] (675 aa)
gyrADNA gyrase subunit A; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to maintain chromosomes in an underwound state, while in the absence of ATP it relaxes supercoiled dsDNA. Also catalyzes the interconversion of other topological isomers of dsDNA rings, including catenanes. Gyrase from M.tuberculosis has higher decatenation than supercoiling activity compared to E.coli; as M.tuberculosis only has 1 type II topoisomerase, gyrase has to fulfill the decatenation function of topoisomerase IV as well. At comparable con [...] (838 aa)
ppiAProbable iron-regulated peptidyl-prolyl cis-trans isomerase A PpiA (PPIase A) (rotamase A); PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides; Belongs to the cyclophilin-type PPIase family. (182 aa)
ssbRv0054, (MTCY21D4.17), len: 164 aa. ssb,single-strand binding protein (see Mizrahi & Andersen 1998), highly similar to others. Belongs to the SSB family. (164 aa)
dnaBProbable replicative DNA helicase DnaB; Participates in initiation and elongation during chromosome replication; it exhibits DNA-dependent ATPase activity; Belongs to the helicase family. DnaB subfamily. (874 aa)
xthAProbable exodeoxyribonuclease III protein XthA (exonuclease III) (EXO III) (AP endonuclease VI); Rv0427c, (MTCY22G10.24c), len: 291 aa. Probable xthA (alternate gene name: xth), exodeoxyribonuclease III protein (see citation below), similar to others e.g. EX3_ECOLI|P09030 exodeoxyribonuclease III from Escherichia Coli strain K12 (268 aa), FASTA scores: opt: 360, E(): 1.2e-17, (29.3% identity in 270 aa overlap); etc. Belongs to the AP/EXOA family of DNA repair enzymes. (291 aa)
Rv0628cConserved hypothetical protein; Rv0628c, (MTCY20H10.09c), len: 383 aa. Conserved hypothetical protein, highly similar to Rv0874c|YZ02_MYCTU|Q10536 conserved hypothetical protein from Mycobacterium tuberculosis (386 aa), FASTA scores: opt: 2082, E(): 0, (81.5% identity in 383 aa overlap). Also some similarity to P72543|SPU62616_1 hypothetical protein from Synechococcus, FASTA scores: E(): 2.8e-28, (36.6 identity in 265 aa overlap). This region is a possible MT-complex-specific genomic island (See Becq et al.,2007). (383 aa)
recDRecBCD enzyme subunit RecD; 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 repair. Holo [...] (575 aa)
recBRecBCD enzyme subunit RecB; 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 repair. Holo [...] (1094 aa)
recCRecBCD enzyme subunit RecC; 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 repair. Holo [...] (1097 aa)
endProbable endonuclease IV End (endodeoxyribonuclease IV) (apurinase); Endonuclease IV plays a role in DNA repair. It cleaves phosphodiester bonds at apurinic or apyrimidinic (AP) sites, generating a 3'-hydroxyl group and a 5'-terminal sugar phosphate. Belongs to the AP endonuclease 2 family. (252 aa)
ercc3DNA helicase Ercc3; Rv0861c, (MTV043.54c), len: 542 aa. Ercc3, DNA helicase (see citation below), equivalent to NP_302420.1|NC_002677 probable DNA helicase from Mycobacterium leprae (549 aa). Also highly similar to others (shorter than several eukaryotic enzymes) e.g. NP_218820.1|NC_000919|AE001217|AE0 01217_6 putative DNA repair helicase from Treponema pallidum (606 aa), FASTA scores: opt: 1275, E(): 0, (47.5% identity in 592 aa overlap); Q00578|RA25_YEAST DNA repair helicase from Saccharomyces cerevisiae (843 aa), FASTA scores: opt: 777,E(): 0, (30.4% identity in 605 aa overlap); P49 [...] (542 aa)
mkuDNA end-binding protein, Mku; With LigD forms a non-homologous end joining (NHEJ) repair enzyme. Binds linear dsDNA with 5'- and 3'-overhangs but not closed circular dsDNA nor ssDNA. One dimer binds for every 30 bp. Recruits and stimulates the ligase activity of LigD but not of T4 ligase or a human ligase complex (LIG4/XRCC4). Attenuates the 3'- to 5'-exonuclease activity of LigD. Stimulates the template-directed addition of dNTPs by LigD on 5'-overhangs and nuclease activity on 3'-overhangs. Belongs to the prokaryotic Ku family. (273 aa)
ligDMultifunctional non-homologous end joining DNA repair protein LigD; With Ku forms a non-homologous end joining (NHEJ) repair enzyme which repairs DNA double-strand breaks (DSB) with reduced fidelity. Recognizes, processes and reseals DSBs, including repairs on incompatible DSB which require 3'-resection, gap filling and ligation. Anneals the 3' overhanging strands from opposing breaks to form a gapped intermediate, which then can be extended in trans by using the termini as primers for extension of the annealed break. Binds to the recessed 5'-phosphate moiety of the downstream DNA stra [...] (759 aa)
Rv0939Rv0939, (MTCY10D7.35c), len: 644 aa. Possible bifunctional enzyme, including 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase activity, and cyclase/dehydrase activity. N-terminal part similar to many isomerases e.g. NP_343861.1|NC_002754 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (hpcE-1) from Sulfolobus solfataricus (318 aa); NP_068932.1|NC_000917 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (hpcE-1) from Archaeoglobus fulgidus (324 aa), FASTA scores: opt: 400,E(): 5.8e-15, (33.9% identity in 289 aa overlap); etc. And C-terminal part highly similar to many cyclases/dehydrases e.g. AA [...] (644 aa)
uvrD1Probable ATP-dependent DNA helicase II UvrD1; DNA-dependent ATPase, acting on dsDNA with a 3'-ssDNA tail, unwinding with 3'-to 5'-polarity. A minimal tail of 18 nt is required for activity. Also highly efficient on nicked DNA. Involved in the post-incision events of nucleotide excision repair, as well as in nitrosative and oxidative stress response and possibly in persistence in the host. Inhibits RecA-mediated DNA strand exchange; this does not require ATPase activity. When combined with UvrA greatly inhibits RecA- mediated DNA strand exchange; Belongs to the helicase family. UvrD sub [...] (771 aa)
Rv1156Conserved protein; Rv1156, (MTCI65.23), len: 195 aa. Conserved protein,highly similar to CAC32318.1|AL583944 conserved hypothetical protein from Streptomyces coelicolor (197 aa). (195 aa)
Rv1179cUnknown protein; Rv1179c, MTV005.15c, len: 939 aa. Unknown protein. (939 aa)
Rv1276cRv1276c, (MTCY50.06), len: 158 aa. Conserved hypothetical protein, similar to AL096844|SCI28.03 hypothetical protein from Streptomyces coelicolor (172 aa),FASTA scores: opt: 385, E(): 3.3e-19, (43.5% identity in 161 aa overlap). Some similarity to P76502|SIXA_ECOLI phosphohistidine phosphatase SIXA (161 aa), FASTA scores: opt: 146, E(): 0.0047, (31.9% identity in 116 aa overlap). Belongs to the SixA family of phosphatases. (158 aa)
Rv1277Rv1277, (MTCY50.05c), len: 417 aa. Conserved hypothetical protein, some similarity to 3914967|O68033|SBCD_RHOCA exonuclease SBCD homolog from Rhodobacter capsulatus (405 aa). May be sbcD protein (see Mizrahi & Andersen 1998). (417 aa)
Rv1278Hypothetical protein; Rv1278, (MTCY50.04c), len: 875 aa. Hypothetical unknown protein, possible coiled-coil regions, contains PS00017 ATP/GTP-binding site motif A. A core mycobacterial gene; conserved in mycobacterial strains (See Marmiesse et al., 2004). (875 aa)
Rv1279Rv1279, (MTCY50.03c), len: 528 aa. Probable dehydrogenase, FAD flavoprotein GMC oxidoreductase, similar to several e.g. dBETA_ECOLI|P17444 choline dehydrogenase from Escherichia coli (556 aa), FASTA scores, opt: 1047,E(): 0, (37.7% identity in 541 aa overlap). Similar to Rv0697 putative Mycobacterium tuberculosis GMC oxidoreductase. Contains PS00623 GMC oxidoreductases signature 1, and PS00624 GMC oxidoreductases signature 2. Belongs to the GMC oxidoreductases family. (528 aa)
ogtMethylated-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. (165 aa)
alkAProbable bifunctional transcriptional activator/DNA repair enzyme AlkA; Is involved in the adaptive response to alkylation damage in DNA caused by alkylating agents. Repairs the Sp diastereomer of DNA methylphosphotriester lesions by a direct and irreversible transfer of the methyl group to one of its own cysteine residues. Also catalyzes the hydrolysis of the deoxyribose N-glycosidic bond to excise 3- methyladenine, 3-methylguanine, 7-methylguanine, O2-methylthymine, and O2-methylcytosine from the damaged DNA polymer formed by alkylation lesions (By similarity); In the C-terminal sect [...] (496 aa)
dinGProbable ATP-dependent helicase DinG; Probable helicase involved in DNA repair and perhaps also replication; Belongs to the helicase family. DinG subfamily. (664 aa)
priAPutative primosomal protein N' PriA (replication factor Y); 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. (655 aa)
uvrCProbable excinuclease ABC (subunit C-nuclease) UvrC; 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. (646 aa)
dinXProbable DNA polymerase IV DinX (pol IV 1) (DNA nucleotidyltransferase (DNA-directed)); 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 (By similarity). (463 aa)
dnaE1Probable DNA polymerase III (alpha chain) DnaE1 (DNA nucleotidyltransferase); 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 alpha chain is the DNA polymerase (By similarity); Belongs to the DNA polymerase type-C family. DnaE subfamily. (1184 aa)
polAProbable DNA polymerase I PolA; In addition to polymerase activity, this DNA polymerase exhibits 3'-5' and 5'-3' exonuclease activity; Belongs to the DNA polymerase type-A family. (904 aa)
uvrBProbable excinuclease ABC (subunit B-helicase) UvrB; 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 [...] (698 aa)
uvrAProbable excinuclease ABC (subunit A-DNA-binding ATPase) UvrA; 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. Alone it slightly inhibits RecA-mediated DNA strand exchange, in concert with UvrD1 greatly inhibits RecA-mediated DNA strand exchange. Belongs to the ABC transporter superfamily. UvrA family. (972 aa)
Rv1961Hypothetical protein; Rv1961, MTCY09F9.03c, len: 164 aa. Hypothetical unknown protein. (164 aa)
Rv2090Probable 5'-3' exonuclease; 5'-3' exonuclease acting preferentially on double-stranded DNA. (393 aa)
helZProbable helicase HelZ; Rv2101, (MTV020.01), len: 1013 aa. Probable helZ,helicase, similar to many. Nucleotide position 2361623 in the genome sequence has been corrected, A:C resulting in M462L. (1013 aa)
Rv2102Rv2102, (MTV020.02), len: 238 aa. Conserved hypothetical protein, similar to many. Contains PS00017 ATP/GTP-binding site motif A (P-loop). (238 aa)
lppKRv2116, (MTCY261.12), len: 189 aa. LppK, conserved lipoprotein, similar to many. Contains N-terminal signal sequence and PS00013 Prokaryotic membrane lipoprotein lipid attachment site. Some similarity to Rv2376c. A core mycobacterial gene; conserved in mycobacterial strains (See Marmiesse et al., 2004). (189 aa)
Rv2119Rv2119, (MTCY261.15), len: 278 aa. Conserved hypothetical protein, similar to many. (278 aa)
Rv2191Rv2191, (MTCY190.02), len: 645 aa. Conserved hypothetical protein, similar to SW:DP3A_B ACSU P13267 DNA polymerase III, alpha chain (31.3% identity in 249 aa overlap) and SW:UVRC_ECOLI P07028 excinuclease ABC subunit C (25.7% identity in 230 aa overlap). Also similar to M. tuberculosis Rv3711c (dnaQ DNA polymerase III e chain) and Rv1420 (uvrC excinuclease ABC subunit C). (645 aa)
PE23Rv2328, (MTCY3G12.06), len: 382 aa. PE23, Member of the Mycobacterium tuberculosis PE family (see citation below), similar to others e.g. Q9L8K5|MAG24-1 PE-PGRS homolog from Mycobacterium marinum (638 aa), FASTA scores: opt: 495, E(): 6.6e-18, (34.65% identity in 401 aa overlap); etc. (382 aa)
dnaGProbable DNA primase DnaG; RNA polymerase that catalyzes the synthesis of short RNA molecules used as primers for DNA polymerase during DNA replication. Belongs to the DnaG primase family. (639 aa)
recOPossible DNA repair protein RecO; Involved in DNA repair and RecF pathway recombination. (265 aa)
Rv2413cRv2413c, (MTCY253.07), len: 316 aa. Conserved hypothetical protein, highly similar to O33133|MLCL536.07c|ML0603|Q49756|G466975|B1937_F2_36 hypothetical 39.1 KDA protein from Mycobacterium leprae (389 aa), FASTA scores: opt: 1683, E(): 1.8e-88, (83.9% identity in 316 aa overlap). ML0603 is a putative lipoprotein with an N-terminal signal sequence and appropriately positioned prokaryotic lipoprotein lipid attachment site that is not present in Rv2413c as this seems to be 73 aa shorter. Also some similarity with various proteins from other organisms e.g. Q9RDM2|SCC123.02c putative DNA-bin [...] (316 aa)
nei1Possible DNA glycosylase; Involved in base excision repair of DNA damaged by oxidation or by mutagenic agents. DNA glycosylase that recognizes and removes damaged pyrimidines. Excises Tg:A (thymine glycol, prefers 5R isomers), Tg:G, 5,6-dihydrouracil:G base pairs and urea:A, also excises oxidized purine derivatives guanidinohydantoin:C and spiroiminodihydantoin:C. Poorly cleaves dsDNA with uracil substitutions, thus also acting as a weak uracil-DNA glycosylase. Acts on DNA bubble and 3'-fork structures, suggesting a role in replication-associated DNA repair. Activity on 7,8-dihydro-8-o [...] (268 aa)
Rv2478cRv2478c, (MTV008.34c), len: 161 aa. Conserved hypothetical protein, with weak similarity with many single-strand binding proteins e.g. Q9X8U3|SCH24.29 putative single-strand binding protein from Streptomyces coelicolor (199 aa), FASTA scores: opt: 246, E(): 4.5e-08,(31.5% identity in 162 aa overlap); P46390|SSB_MYCLE|ML2684|MLCB1913.20c single-strand binding protein (SSB) (helix-destabilizing protein) from Mycobacterium leprae (168 aa), FASTA scores: opt: 239, E(): 1e-07, (30.8% identity in 146 aa overlap); P18310|SSBF_ECOLI single-strand binding protein from Escherichia coli (178 aa), [...] (161 aa)
Rv2529Hypothetical protein; Rv2529, (MTCY159.27c), len: 463 aa. Hypothetical unknown protein. Note that C-terminal part is similar to short region of Q53609|MTS1_STRAL|SALIM modification methylase SALI from Streptomyces albus G (587 aa), FASTA scores: opt: 170, E(): 0.016, (59.45% identity in 37 aa overlap). (463 aa)
ppiBProbable peptidyl-prolyl cis-trans isomerase B; PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides (By similarity). (308 aa)
ruvBProbable 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. (344 aa)
ruvAProbable 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. (196 aa)
ruvCCrossover 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 (By similarity). (188 aa)
lexARepressor LexA; Represses a number of genes involved in the response to DNA damage (SOS response), including recA and lexA. Has been shown to bind to the 14 bp palindromic sequence 5'-CGAACNNNNGTTCG-3'. In the presence of single-stranded DNA, RecA interacts with LexA causing an autocatalytic cleavage which disrupts the DNA-binding part of LexA, leading to derepression of the SOS regulon and eventually DNA repair. (236 aa)
Rv2734Rv2734, (MTCY154.14), len: 284 aa. Conserved hypothetical protein, highly similar to various proteins e.g. Q984J2|MLR7981 ABC transporter ATP-binding protein from Rhizobium loti (Mesorhizobium loti) (286 aa), FASTA scores: opt: 877, E(): 9e-50, (52.45% identity in 246 aa overlap) (N-terminus longer); Q98DH1|MLL4707 hypothetical protein from Rhizobium loti (Mesorhizobium loti) (249 aa),FASTA scores: opt: 829, E(): 1.1e-46, (50.4% identity in 244 aa overlap); AAK65865|SMA2239 conserved hypothetical protein from Rhizobium meliloti (Sinorhizobium meliloti) (259 aa), FASTA scores: opt: 796, [...] (284 aa)
Rv2735cRv2735c, (MTCY154.15c), len: 330 aa. Conserved hypothetical protein, showing some similarity with Q98DH2|MLR4706 hypothetical protein from Rhizobium loti (Mesorhizobium loti) (302 aa), FASTA scores: opt: 140, E(): 0.062, (27.0% identity in 200 aa overlap); and Q9PHA1|XF0043 hypothetical protein from Xylella fastidiosa (293 aa), FASTA scores: opt: 120, E(): 1.2, (30.75% identity in 117 aa overlap). This region is a possible MT-complex-specific genomic island (See Becq et al.,2007). (330 aa)
recXRegulatory protein RecX; Binds to RecA inhibiting ATP hydrolysis and the generation of heteroduplex DNA. It might act as an anti-recombinase to quell inappropriate recombinational repair during normal DNA metabolism. It is essential for cell survival; Belongs to the RecX family. (174 aa)
Rv2737ARv2737A, len: 57 aa. Conserved hypothetical cys-rich protein (possibly gene fragment), similar to central part of AJ243803_1|glgA from Streptomyces coelicolor glgA (181 aa), FASTA scores: opt: 210, E(): 6.1e-09, (59.25% identity in 54 aa overlap). (57 aa)
recARecA protein (recombinase A) [contains: endonuclease PI-MTUI (MTU RecA intein)]; 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. (790 aa)
fpgProbable formamidopyrimidine-DNA glycosylase Fpg (FAPY-DNA glycosylase); 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) when paired with C, G or T, as well as methyl-faPy (formanidopyrimidine residues) in poly(dG-dC) and spiroiminodihydantoin:C base pairs. Unlike its E.coli ortholog has no activity on 8-oxoG:A. Has AP (apurinic/apyrimidinic) lyase activity and introduces nicks in the DNA strand. Cleaves [...] (289 aa)
ungProbable uracil-DNA glycosylase Ung (UDG); 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. (227 aa)
ligADNA ligase [NAD dependent] LigA (polydeoxyribonucleotide synthase [NAD+]); 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; Belongs to the NAD-dependent DNA ligase family. LigA subfamily. (691 aa)
ligBDNA ligase B; DNA ligase that seals nicks in double-stranded DNA during DNA replication, DNA recombination and DNA repair; Belongs to the ATP-dependent DNA ligase family. (507 aa)
uvrD2Probable ATP-dependent DNA helicase II UvrD2; DNA-dependent ATPase, stimulated equally by ss- and dsDNA. Has both ATPase and helicase activities, and translocates along ssDNA displacing bound streptavidin. Its essentiality for growth does not depend on its helicase activity. (700 aa)
Rv3200cRv3200c, (MTV014.44c), len: 355 aa. Possible transmembrane cation transporter, similar to many transmembrane proteins and putative potassium channels e.g. Q9XA52|SCGD3.27C putative membrane protein from Streptomyces coelicolor (365 aa), FASTA scores: opt: 1022,E(): 2.6e-53, (49.85% identity in 325 aa overlap); Q9RRZ3|DR2336 putative potassium channel from Deinococcus radiodurans (320 aa), FASTA scores: opt: 436, E(): 1e-18,(30.9% identity in 304 aa overlap); O28600|AF1673 putative potassium channel from Archaeoglobus fulgidus (314 aa),FASTA scores: opt: 363, E(): 2.1e-14, (27.2% identi [...] (355 aa)
Rv3201cRv3201c, (MTV014.45c), len: 1101 aa. Probable ATP-dependent DNA helicase, similar to others e.g. Q9FCK4|2SC3B6.08 from Streptomyces coelicolor (1222 aa),FASTA scores: opt: 1209, E(): 5.4e-63, (38.45% identity in 1199 aa overlap); P71561|PCRA_MYCTU|CRA|IVRD|Rv0949|MT0976|MTCY10D7.25c from Mycobacterium tuberculosis (771 aa), FASTA scores: opt: 403, E(): 6.5e-16, (28.15% identity in 717 aa overlap); Q9FCK5|2SC3B6.07 from Streptomyces coelicolor (1159 aa),FASTA scores: opt: 349, E(): 1.3e-12, (29.2% identity in 1144 aa overlap); Q9L3M1|UVRD from Prochlorococcus sp. (512 aa; fragment), FAS [...] (1101 aa)
Rv3202cPossible ATP-dependent DNA helicase; Rv3202c, (MTCY07D11.24, MTV014.46c), len: 1055 aa. Possible ATP-dependent DNA helicase, showing some similarity to UvrD proteins e.g. Q9FCK5|2SC3B6.07 putative ATP-dependent DNA helicase from Streptomyces coelicolor (1159 aa), FASTA scores: opt: 666, E(): 1e-29, (34.5% identity in 1154 aa overlap); Q9L7T3|UVRD|PA5443 mismatch repair protein MUTU (DNA helicase II) from Pseudomonas aeruginosa (728 aa), FASTA scores: opt: 239, E(): 7.3e-06,(23.8% identity in 677 aa overlap) (no similarity in C-terminal part for this one); etc. C-terminal region similar [...] (1055 aa)
lhrRv3296, (MTCY71.36), len: 1513 aa. Probable lhr,ATP-dependent helicase, similar to others e.g. P30015|LHR_ECOLI|RHLF|B1653 from Escherichia coli stain K12 (1538 aa), FASTA scores: opt: 2930, E(): 1.5e-159, (47.55% identity in 1569 aa overlap); AAG56642|LHR from Escherichia coli stain O157:H7 EDL933 (1538 aa), FASTA scores: opt: 2930, E(): 1.5e-159, (47.6% identity in 1561 aa overlap); O86821|SC7C7.16c from Streptomyces coelicolor (1690 aa),FASTA scores: opt: 2919, E(): 7e-159, (53.55% identity in 1703 aa overlap); Q9HYW9|PA3272 from Pseudomonas aeruginosa (1448 aa), FASTA scores: opt: [...] (1513 aa)
neiProbable endonuclease VIII Nei; 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 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 (By similarity). Complements an E.coli nei nth double mutant. (255 aa)
mutYProbable adenine glycosylase MutY; Adenine glycosylase active on G:A and C:A mispairs, as well as processing 7,8-dihydro-8-oxoguanine:A (8-oxoG) mismatches. Minor activity against 8-oxoG:G and 8-oxo:T mismatches is also seen. Bind dsDNA oligonucleotides containing the above mismatches. (304 aa)
Rv3644cPossible DNA polymerase; Rv3644c, (MTCY15C10.08), len: 401 aa. Possible DNA polymerase, equivalent to O69546|MLCB2548.29c|ML0202 hypothetical 42.7 KDA protein from Mycobacterium leprae (405 aa), FASTA scores: opt: 2180, E(): 6.1e-116, (84.4% identity in 404 aa overlap). Similar (in totality or in first 200 aa) to DNA polymerases III, delta' or gamma subunit, e.g. Q9X906|SCH5.03c putative DNA polymerase from Streptomyces coelicolor (401 aa), FASTA scores: opt: 1022,E(): 1.5e-50, (47.05% identity in 404 aa overlap); Q9RRS5|DR2410 DNA polymerase III, tau/gamma subunit from Deinococcus rad [...] (401 aa)
topADNA topoisomerase 1; 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 super [...] (934 aa)
nthEndonuclease 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. Has a preference for oxidized pyrimidines, such as thymine glycol (prefers 5S isomers) 5,6-dihydrouracil:G, 5-hydroxyuracil:G, 5- hydroxycytosine:G and urea [...] (245 aa)
dnaQRv3711c, (MTV025.059c), len: 329 aa. Probable dnaQ,DNA polymerase III, epsilon subunit, similar to many e.g. Q9RJ41|SCI8.12 from Streptomyces coelicolor (328 aa), FASTA scores: opt: 509, E(): 4.2e-25, (41.6% identity in 315 aa overlap); Q9JYS6|NMB1451 from Neisseria meningitidis (serogroup B) (and Q9JTR5|MA1665 from serogroup A) (470 aa), FASTA scores: opt: 247, E(): 2.6e-08, (33.15% identity in 172 aa overlap); O83649|DP3E_TREPA|DNAQ|TP0643 from Treponema pallidum (215 aa), FASTA scores: opt: 240, E(): 3.7e-08, (29.65% identity in 162 aa overlap); P03007|DP3E_ECOLI|MUTD|B0215 from Esc [...] (329 aa)
recRProbable 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. (203 aa)
dnaZXDNA polymerase III (subunit gamma/tau) DnaZ/X; 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; Belongs to the DnaX/STICHEL family. (578 aa)
Rv3730cRv3730c, (MTV025.078c), len: 346 aa. Conserved hypothetical protein, highly similar to Q9XAM1|SC4C6.19 hypothetical 38.5 KDA protein from Streptomyces coelicolor (341 aa), FASTA scores: opt: 1313, E(): 2.2e-75, (59.25% identity in 336 aa overlap); and similar to C-terminal end of putative ATP-dependent DNA ligases e.g. BAB49297|MLL2077 from Rhizobium loti (Mesorhizobium loti) (833 aa), FASTA scores: opt: 550, E(): 5.3e-27, (31.3% identity in 294 aa overlap); and BAB54816|MLL9625 from Rhizobium loti (Mesorhizobium loti) plasmid pMLb (883 aa) FASTA scores: opt: 492, E(): 2.5e-23, (33.7% [...] (346 aa)
ligCDNA ligase C; DNA ligase that seals nicks in double-stranded DNA during DNA replication, DNA recombination and DNA repair; Belongs to the ATP-dependent DNA ligase family. (358 aa)
Your Current Organism:
Mycobacterium tuberculosis H37Rv
NCBI taxonomy Id: 83332
Other names: M. tuberculosis H37Rv, Mycobacterium sp. H37Rv, Mycobacterium tuberculosis str. H37Rv, Mycobacterium tuberculosis strain H37Rv
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