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PPE50 PPE50 devR devR drrA drrA ppsE ppsE ppsA ppsA ideR ideR PPE41 PPE41 kasB kasB kasA kasA pknL pknL PPE37 PPE37 pncA pncA fdxA fdxA katG katG PPE31 PPE31 PPE24 PPE24 pknF pknF narK2 narK2 narX narX Rv1722 Rv1722 inhA inhA kgd kgd lipX lipX PPE12 PPE12 nrdZ nrdZ pknG pknG PE6 PE6 eccE3 eccE3 PPE4 PPE4 PE5 PE5 eccA3 eccA3 pknB pknB pknA pknA PPE2 PPE2 esxA esxA PPE68 PPE68 PE35 PE35 embB embB kstR kstR PPE54 PPE54 Rv3177 Rv3177
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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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PPE50Rv3135, (MTCY03A2.23c), len: 132 aa. PPE50, Member of the Mycobacterium tuberculosis Ala-, Gly-rich PPE family, similar to P95190|Rv3136|MTCY03A2.22c (380 aa),FASTA scores: opt: 494, E(): 6.7e-25, (57.25% identity in 131 aa overlap) (next ORF downstream), MTY21C12_9,MTCY3C7_24, MTCI125_27, MTV049_12, MTV049_9, MTV049_11,MTCY274_24 etc. (132 aa)
devRTwo component transcriptional regulatory protein DevR (probably LuxR/UhpA-family); Member of the two-component regulatory system DevR/DevS (also called DosR/DosS) involved in onset of the dormancy response. Regulates an approximately 48-member regulon. When phosphorylated binds and activates the promoter of DevR regulon genes in response to hypoxia. The presence of target DNA increases stability of phospho-DevR in vitro. Activates its own transcription under hypoxic but not aerobic conditions, probably binds as a dimer to tandem binding sites within the devR and hspX promoters. Accepts [...] (217 aa)
drrADaunorubicin-dim-transport ATP-binding protein ABC transporter DrrA; Part of the ABC transporter complex DrrABC involved in doxorubicin resistance. Responsible for energy coupling to the transport system. Binds ATP; Belongs to the ABC transporter superfamily. Drug exporter-1 (DrugE1) (TC 3.A.1.105) family. (331 aa)
ppsEPhenolpthiocerol synthesis type-I polyketide synthase PpsE; Involved in the elongation of either C22-24 fatty acids by the addition of malonyl-CoA and methylmalonyl-CoA extender units to yield phthiocerol derivatives. (1488 aa)
ppsAPhenolpthiocerol synthesis type-I polyketide synthase PpsA; Involved in the elongation of either C22-24 fatty acids by the addition of malonyl-CoA and methylmalonyl-CoA extender units to yield phthiocerol derivatives. (1876 aa)
ideRIron-dependent repressor and activator IdeR; Metal-dependent DNA-binding protein that controls transcription of many genes involved in iron metabolism. Acts as a repressor of siderophore biosynthesis and as a positive modulator of iron storage. Also regulates expression of transporters, proteins involved in siderophore synthesis, iron storage and transcriptional regulators. (230 aa)
PPE41PPE family protein PPE41; The PE25/PPE41 dimer induces both a strong humoral and cellular immune response. The dimer induces necrosis, but not apoptosis, in mouse macrophage cells. It also induces activation and maturation of mouse dendritic cells and drives Th2-biased immune responses. (194 aa)
kasB3-oxoacyl-[acyl-carrier protein] synthase 2 KasB (beta-ketoacyl-ACP synthase) (KAS I); Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. (438 aa)
kasA3-oxoacyl-[acyl-carrier protein] synthase 1 KasA (beta-ketoacyl-ACP synthase) (KAS I); Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP synthases family. (416 aa)
pknLProbable transmembrane serine/threonine-protein kinase L PknL (protein kinase L) (STPK L); Phosphorylates the DNA-binding protein Rv2175c. May be involved in the regulation of cell division and cell envelope biosynthesis. (399 aa)
PPE37Rv2123, (MTCY261.19), len: 473 aa. PPE37 (alternate gene name: irg2), member of the Mycobacterium tuberculosis PPE family of proteins but the C-terminus is not repetitive (see citation below). (473 aa)
pncAPyrazinamidase/nicotinamidase PncA (PZase); Catalyzes the deamidation of nicotinamide (NAM) into nicotinate. Likely functions in the cyclical salvage pathway for production of NAD from nicotinamide (By similarity). Belongs to the isochorismatase family. (186 aa)
fdxAFerredoxin FdxA; Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions. (114 aa)
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)
PPE31Rv1807, (MTV049.29), len: 399 aa. PPE31, Member of the Mycobacterium tuberculosis PPE family of glycine-rich proteins, most similar to Rv1789|MTV049.11|AL022021 (393 aa), FASTA scores: opt: 1169, E(): 0, (49.5% identity in 412 aa overlap). (399 aa)
PPE24Rv1753c, (MTCY28.16c), len: 1053 aa. PPE24, Member of the Mycobacterium tuberculosis PPE family of Gly-,Asn-rich proteins, similar to many e.g. YF48_MYCTU|Q10778 hypothetical protein cy48.17 (678 aa), FASTA scores: opt: 1360, E(): 0, (48.9% identity in 550 aa overlap). Note that the Gly-, Asn-rich sequence is interrupted by six near-perfect 26 aa repeats, a unique region, and another,more degenerate region of five 25 aa repeats before resuming at the C-terminus. The end of the first Gly-, Asn-rich region and the start of the first set of repeats shows some similarity to Q50577|AT10S fr [...] (1053 aa)
pknFAnchored-membrane serine/threonine-protein kinase PknF (protein kinase F) (STPK F); Phosphorylates the FHA domains of the ABC transporter Rv1747, the heat-shock protein GroEL 1, and Rv0020c. May play a role in the regulation of glucose transport, cell growth and septum formation. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (476 aa)
narK2Possible nitrate/nitrite transporter NarK2; Permits nitrate and nitrate transport into E.coli. Belongs to the major facilitator superfamily. Nitrate/nitrite porter (TC 2.A.1.8) family. (395 aa)
narXProbable nitrate reductase NarX; Does not seem to have nitrate reductase activity. In the N-terminal section; belongs to the nitrate reductase alpha subunit family. In the C-terminal section; belongs to the nitrate reductase gamma subunit family. (652 aa)
Rv1722Possible carboxylase; Rv1722, (MTCY04C12.07), len: 494 aa. Possible carboxylases. Weak similarity to several e.g. ACCC_BACSU|P49787 biotin carboxylase from Bacillus subtilis (448 aa), fasta scores: opt: 171, E(): 0.00021, (22.8% identity in 237 aa overlap). (494 aa)
inhANADH-dependent enoyl-[acyl-carrier-protein] reductase InhA (NADH-dependent enoyl-ACP reductase); Enoyl-ACP reductase of the type II fatty acid syntase (FAS- II) system, which is involved in the biosynthesis of mycolic acids, a major component of mycobacterial cell walls. Catalyzes the NADH-dependent reduction of the double bond of 2-trans- enoyl-[acyl-carrier protein], an essential step in the fatty acid elongation cycle of the FAS-II pathway. Shows preference for long-chain fatty acyl thioester substrates (>C16), and can also use 2-trans-enoyl-CoAs as alternative substrates. The mycob [...] (269 aa)
kgdMultifunctional alpha-ketoglutarate metabolic enzyme; Shows three enzymatic activities that share a first common step, the attack of thiamine-PP on 2-oxoglutarate (alpha-ketoglutarate, KG), leading to the formation of an enamine-thiamine-PP intermediate upon decarboxylation. Thus, displays KGD activity, catalyzing the decarboxylation from five-carbon 2-oxoglutarate to four-carbon succinate semialdehyde (SSA). Also catalyzes C-C bond formation between the activated aldehyde formed after decarboxylation of alpha- ketoglutarate and the carbonyl of glyoxylate (GLX), to yield 2-hydroxy- 3-o [...] (1231 aa)
lipXPE family protein. Possible lipase LipX; Rv1169c, (MTV005.05c), len: 100 aa. Possible lipX,lipase. Member of the Mycobacterium tuberculosis PE family of proteins (see Brennan & Delogu 2002), e.g. O05297|Z93777|MTCI364.07 (99 aa), FASTA scores: opt: 209,E(): 1.6e-15, (37.4% identity in 99 aa overlap). Also simlar to the N-terminus of P77909|U76006 esterase/lipase from Mycobacterium tuberculosis (437 aa), FASTA scores: opt: 193, E(): 4.4e-14, (37.2% identity in 94 aa overlap). Contains a helix-turn-helix motif from aa 88-109 (+2.76 SD). Predicted possible vaccine candidate (See Zvi et al [...] (100 aa)
PPE12Rv0755c, (MTV041.29), len: 645 aa. PPE12, Member of the Mycobacterium tuberculosis PPE family, highly similar to others e.g. Z82098|MTCY3C7_23 from Mycobacterium tuberculosis (582 aa), FASTA scores: (56.1% identity in 636 aa overlap); Z92774|MTCY6G11_5 from Mycobacterium tuberculosis (552 aa), FASTA scores: (55.8% identity in 590 aa overlap); etc. Predicted to be an outer membrane protein (See Song et al., 2008). (645 aa)
nrdZProbable ribonucleoside-diphosphate reductase (large subunit) NrdZ (ribonucleotide reductase); Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides (By similarity). (692 aa)
pknGSerine/threonine-protein kinase PknG (protein kinase G) (STPK G); Phosphorylates GarA. May play a role in metabolic regulation via control of the phosphorylation status of GarA. Plays a crucial role in the survival of mycobacteria within host macrophages, by blocking the intracellular degradation of mycobacteria in lysosomes. Required for intrinsic antibiotic resistance. (750 aa)
PE6Rv0335c, (MTCY279.02c), len: 171 aa. PE6, Member of the Mycobacterium tuberculosis PE family (see Brennan & Delogu 2002); contains short region of similarity to part of the unique N-terminus of the Mycobacterium tuberculosis PGRS family of Glycine-rich proteins e.g. Y03A_MYCTU|Q10637 hypothetical glycine-rich 49.6 kd protein (603 aa), FASTA scores: opt: 219, E(): 1.1e-08, (51.5% identity in 66 aa overlap). (171 aa)
eccE3ESX-3 secretion system protein EccE3; Part of the ESX-3 specialized secretion system, which is important for iron and zinc uptake or homeostasis. Belongs to the EccE family. (331 aa)
PPE4PPE family protein PPE4; Important for the siderophore-mediated iron-acquisition function of ESX-3; Belongs to the mycobacterial PPE family. (513 aa)
PE5PE family protein PE5; Important for the siderophore-mediated iron-acquisition function of ESX-3. May play a pivotal role in the evasion of host immune response by M.tuberculosis. Mediates production of IL-10 via activation of the p38 and ERK1/2 mitogen-activated protein kinase (MAPK) signaling pathways. (102 aa)
eccA3ESX conserved component EccA3. ESX-3 type VII secretion system protein; Part of the ESX-3 specialized secretion system, which is important for iron and zinc uptake or homeostasis. EccA3 exhibits ATPase activity and may provide energy for the export of ESX-3 substrates (By similarity). Belongs to the CbxX/CfxQ family. (631 aa)
pknBTransmembrane serine/threonine-protein kinase B PknB (protein kinase B) (STPK B); Protein kinase that regulates many aspects of mycobacterial physiology, and is critical for growth in vitro and survival of the pathogen in the host. Is a key component of a signal transduction pathway that regulates cell growth, cell shape and cell division via phosphorylation of target proteins such as GarA, GlmU, PapA5, PbpA, FhaB (Rv0019c), FhaA (Rv0020c), MviN, PstP, EmbR, Rv1422, Rv1747 and RseA. Also catalyzes the phosphorylation of the core proteasome alpha-subunit (PrcA), and thereby regulates th [...] (626 aa)
pknATransmembrane serine/threonine-protein kinase A PknA (protein kinase A) (STPK A); Protein kinase that regulates many aspects of mycobacterial physiology, and is critical for growth in vitro and survival of the pathogen in the host. Is a key component of a signal transduction pathway that regulates cell growth, cell shape and cell division via phosphorylation of target proteins such as FtsZ, Wag31, GlmU, FhaB, PstP, EmbR and Rv1422. Also catalyzes the phosphorylation of the proteasome alpha-subunit (PrcA) and unprocessed proteasome beta-subunit (pre-PrcB), which results in the inhibitio [...] (431 aa)
PPE2Rv0256c, (MTV034.22c), len: 556 aa. PPE2, Member of the M. tuberculosis PPE family, similar to many e.g. Rv0280, Rv0286, etc. Equivalent to Z98756|MLCB2492.30 from Mycobacterium leprae (572 aa), FASTA scores: opt: 1837,E(): 0, (62.9% identity in 461 aa overlap). A core mycobacterial gene; conserved in mycobacterial strains (See Marmiesse et al., 2004). (556 aa)
esxA6 kDa early secretory antigenic target EsxA (ESAT-6); A secreted protein that plays a number of roles in modulating the host's immune response to infection as well as being responsible for bacterial escape into the host cytoplasm. Acts as a strong host (human) T-cell antigen. Inhibits IL- 12 p40 (IL12B) and TNF-alpha expression by infected host (mouse) macrophages, reduces the nitric oxide response by about 75%. In mice previously exposed to the bacterium, elicits high level of IFN-gamma production by T-cells upon subsequent challenge by M.tuberculosis, in the first phase of a protecti [...] (95 aa)
PPE68PPE family protein PPE68; Plays a major role in RD1-associated pathogenesis, and may contribute to the establishment and maintenance of M.tuberculosis infection. Together with PE35, stimulates the secretion of IL-10 and MCP-1 from human macrophages, via the interaction with human Toll-like receptor 2 (TLR2). Stimulates high levels of gamma interferon secretion in peripheral blood mononuclear cells isolated from tuberculosis patients, as well as from healthy tuberculin purified protein derivative-positive donors. Does not interfere with the secretion and immunogenicity of EsxA (ESAT-6) [...] (368 aa)
PE35PE family-related protein PE35; Plays a major role in RD1-associated pathogenesis, and may contribute to the establishment and maintenance of M.tuberculosis infection. Together with PPE68, stimulates the secretion of IL-10 and MCP-1 from human macrophages, via the interaction with human Toll-like receptor 2 (TLR2). (99 aa)
embBProbable arabinosyltransferase B; Arabinosyl transferase responsible for the polymerization of arabinose into the arabinan of arabinogalactan; Belongs to the emb family. (1098 aa)
kstRTranscriptional regulatory protein KstR (probably TetR-family); Controls the expression of genes used for utilizing diverse lipids as energy sources. (199 aa)
PPE54PPE family protein PPE54; Probably plays a role in host phagosome maturation arrest. (2523 aa)
Rv3177Rv3177, (MTV014.21), len: 286 aa. Possible peroxidase (non-haem peroxidase), highly similar to Q9KJF9|W78 cultivar specificity protein (similar to alpha/beta hydrolase fold) W78 from Rhizobium leguminosarum (287 aa), FASTA scores: opt: 1059, E(): 2.3e-59, (61.4% identity in 272 aa overlap); BAB48728|MLL1328 hypothetical protein from Rhizobium loti (Mesorhizobium loti) (286 aa),FASTA scores: opt: 746, E(): 1.1e-39, (43.25% identity in 282 aa overlap). Similar to nonheme chloroperoxidases and related esterases e.g. O73957|SAL lipolytic enzyme from Sulfolobus acidocaldarius (314 aa), FAST [...] (286 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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