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katG katG pimA pimA rip rip Rv3427c Rv3427c eccD4 eccD4 embC embC eccA2 eccA2 rnpA rnpA rpmH rpmH gyrA gyrA fabG1 fabG1 sugC sugC sugA sugA lpqW lpqW mprB mprB phoT phoT recF recF rpoB rpoB dnaK dnaK fbpC fbpC gyrB gyrB dnaN dnaN dnaA dnaA treX treX pepN pepN
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
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a 3D structure is known or predicted
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katGCatalase-peroxidase-peroxynitritase T KatG; Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity, oxidizing various electron donors including NADP(H). Protects M.tuberculosis against toxic reactive oxygen species (ROS) including hydrogen peroxide as well as organic peroxides and thus contributes to its survival within host macrophages by countering the phagocyte oxidative burst. Also displays efficient peroxynitritase activity, which may help the bacterium to persist in macrophages. Catalyzes the oxidative activation of the antitubercular pro- drug isoniazid (I [...] (740 aa)
pimAAlpha-mannosyltransferase PimA; Involved in the biosynthesis of phosphatidyl-myo-inositol mannosides (PIM) which are early precursors in the biosynthesis of lipomannans (LM) and lipoarabinomannans (LAM). Catalyzes the addition of a mannosyl residue from GDP-D-mannose (GDP-Man) to the position 2 of the carrier lipid phosphatidyl-myo-inositol (PI) to generate a phosphatidyl-myo-inositol bearing an alpha-1,2-linked mannose residue (PIM1). PimA plays an essential role for growth in macrophages and during both the acute and chronic phases of infection. (378 aa)
ripMembrane bound metalloprotease; A probable intramembrane site-2 protease (S2P) that cleaves type-2 transmembrane proteins within their membrane-spanning domains. Cleaves PbpB (PBP3, FtsI) near 'Ala-102' and 'Ala-103' in response to oxidative stress; cleavage is inhibited by Wag31-PbpB interaction. Probably also cleaves anti-sigma factors RskA, RslA and RsmA but not RsdA; Belongs to the peptidase M50B family. (404 aa)
Rv3427cPossible transposase; Rv3427c, (MTCY78.02), len: 251 aa. Possible transposase, similar to other e.g. Q9APG8|ORF2 putative transposase subunit 2 from Pseudomonas putida (251 aa),FASTA scores: opt: 479, E(): 1.8e-21, (34.85% identity in 238 aa overlap). Contains PS00017 ATP/GTP-binding site motif A. (251 aa)
eccD4ESX-4 secretion system protein eccD4; Rv3448, (MTCY77.20), len: 467 aa. EccD4, esx conserved component, ESX-4 type VII secretion system protein, probable integral membrane protein, showing some similarity with Q9CD35|ML2529 from Mycobacterium leprae (485 aa), FASTA scores: opt: 371, E(): 3.6e-14, (27.25% identity in 481 aa overlap); and two proteins from Mycobacterium tuberculosis O86362|Rv0290|MTV035.18 (472 aa), FASTA scores: opt: 429, E(): 1.6e-17, (28.6% identity in 479 aa overlap); and O05457|Rv3887c|MTCY15F10.25 (509 aa), FASTA scores: opt: 203, E(): 0.00019, (25.6% identity in 4 [...] (467 aa)
embCProbable arabinosyltransferase C; Arabinosyl transferase responsible for the polymerization of arabinose into the arabinan of arabinogalactan. (1094 aa)
eccA2ESX-2 secretion system protein EccA2; Shows ATPase activity. Could provide energy for export of ESX-2 substrates (By similarity). (619 aa)
rnpARibonuclease P protein component RnpA (RNaseP protein) (RNase P protein) (protein C5); RNaseP catalyzes the removal of the 5'-leader sequence from pre-tRNA to produce the mature 5'-terminus. It can also cleave other RNA substrates such as 4.5S RNA. The protein component plays an auxiliary but essential role in vivo by binding to the 5'-leader sequence and broadening the substrate specificity of the ribozyme. Belongs to the RnpA family. (125 aa)
rpmHRv3924c, (MTV028.15), len: 47 aa. rpmH, 50s ribosomal protein l34 (see citations below), equivalent to many mycobacterial 50S ribosomal protein L34 e.g. P46386|RL34_MYCLE|RPMH|ML2713 from Mycobacterium leprae (47 aa), FASTA scores: opt: 287, E(): 8.5e-17, (91.5% identity in 47 aa overlap); and Q9L7L8|RL34_MYCPA|RPMH from Mycobacterium paratuberculosis (47 aa), FASTA scores: opt: 281, E(): 2.6e-16, (89.35% identity in 47 aa overlap). Also highly similar to other ribosomal proteins e.g. P27901|RL34_STRCO|RPMH|STH24.02 from Streptomyces coelicolor (45 aa), FASTA scores: opt: 234, E(): 1.4 [...] (47 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)
fabG13-oxoacyl-[acyl-carrier-protein] reductase FabG1; Catalyzes the NADPH-dependent reduction of beta-ketoacyl-ACP substrates to beta-hydroxyacyl-ACP products, the first reductive step in the elongation cycle of fatty acid biosynthesis. MabA preferentially metabolizes long-chain substrates (C8-C20) and has a poor affinity for the C4 substrate; Belongs to the short-chain dehydrogenases/reductases (SDR) family. (247 aa)
sugCProbable sugar-transport ATP-binding protein ABC transporter SugC; Part of the ABC transporter complex LpqY-SugA-SugB-SugC, which is highly specific for uptake of trehalose. Involved in the recycling of extracellular trehalose released from trehalose-containing molecules synthesized by M.tuberculosis. Trehalose uptake is essential for virulence. Probably responsible for energy coupling to the transport system. (393 aa)
sugAProbable sugar-transport integral membrane protein ABC transporter SugA; Part of the ABC transporter complex LpqY-SugA-SugB-SugC, which is highly specific for uptake of trehalose. Involved in the recycling of extracellular trehalose released from trehalose-containing molecules synthesized by M.tuberculosis. Trehalose uptake is essential for virulence. Probably responsible for the translocation of the substrate across the membrane. (307 aa)
lpqWProbable conserved lipoprotein LpqW; May directly or indirectly regulate the accessibility of the key branch point intermediate, monoacyl phosphatidylinositol tetramannoside (AcPIM4), to the elongating alpha-1,6 mannosyltransferases which could regulate the lipoarabinomannans (LAMs) biosynthesis; Belongs to the bacterial solute-binding protein 5 family. (635 aa)
mprBTwo component sensor kinase MprB; Member of the two-component regulatory system MprB/MprA which contributes to maintaining a balance among several systems involved in stress resistance and is required for establishment and maintenance of persistent infection in the host. In response to environmental signals MprB acts as both a membrane-associated protein kinase that undergoes autophosphorylation and subsequently transfers the phosphate to MprA, and a protein phosphatase that dephosphorylates phospho-MprA. MprB/MprA is involved in regulation of numerous stress-responsive genes, includin [...] (504 aa)
phoTProbable phosphate-transport ATP-binding protein ABC transporter PhoT; Part of the ABC transporter complex PstSACB involved in phosphate import (Probable). Responsible for energy coupling to the transport system. (258 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)
rpoBDNA-directed RNA polymerase subunit beta; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1172 aa)
dnaKProbable chaperone protein DnaK (heat shock protein 70) (heat shock 70 kDa protein) (HSP70); Acts as a chaperone; Belongs to the heat shock protein 70 family. (625 aa)
fbpCDiacylglycerol acyltransferase/mycolyltransferase Ag85C; The antigen 85 proteins (FbpA, FbpB, FbpC) are responsible for the high affinity of mycobacteria to fibronectin, a large adhesive glycoprotein, which facilitates the attachment of M.tuberculosis to murine alveolar macrophages (AMs). They also help to maintain the integrity of the cell wall by catalyzing the transfer of mycolic acids to cell wall arabinogalactan and through the synthesis of alpha,alpha- trehalose dimycolate (TDM, cord factor). They catalyze the transfer of a mycoloyl residue from one molecule of alpha,alpha-trehal [...] (340 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)
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)
dnaAChromosomal replication initiator protein DnaA; Plays an important role in the initiation and regulation of chromosomal replication. Binds to the origin of replication; it binds specifically double-stranded DNA at a 9 bp consensus (dnaA box): 5'- TTATC[CA]A[CA]A-3'. DnaA binds to ATP and to acidic phospholipids (By similarity). Binds its own promoter. (507 aa)
treXRv1564c, (MTCY48.01), len: 721 aa. Probable treX (previously called glgX), Maltooligosyltrehalose synthase. Strong similarity to D83245|g1890053 treX, glycogen debranching enzyme (glgX) from Sulfolobus acidocaldarius (713 aa), FASTA score: opt: 2396, E(): 0, (48.4% identity in 709 aa overlap); similar to GLGX_HAEIN|P45178 glycogen operon protein glgx (659 aa), FASTA scores: opt: 1512, E(): 0, (42.3% identity in 645 aa overlap); Belongs to the glycosyl hydrolase 13 family. (721 aa)
pepNProbable aminopeptidase N PepN (Lysyl aminopeptidase) (LYS-AP) (alanine aminopeptidase); Rv2467, (MTV008.23), len: 861 aa. Probable pepN,aminopeptidase N, equivalent to Q9CBX9|ML1486 probable aminopeptidase from Mycobacterium leprae (862 aa), FASTA scores: opt: 4751,E(): 0, (83.3% identity in 862 aa overlap). Also highly similar to others e.g. Q11010|AMPN_STRLI|PEPN from Streptomyces lividans (857 aa),FASTA scores: opt: 2839, E(): 1.8e-170, (53.25% identity in 864 aa overlap); Q9L1Z2|PEPN from Streptomyces coelicolor (857 aa), FASTA scores: opt: 2834, E(): 3.8e-170, (53.1% identity in [...] (861 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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