STRINGSTRING
argD argD narX narX narK2 narK2 PPE25 PPE25 PE18 PE18 PPE26 PPE26 PPE27 PPE27 fbpB fbpB katG katG plcA plcA ahpC ahpC pks15 pks15 lipF lipF whiB3 whiB3 espR espR espE espE PE35 PE35 esxB esxB gid gid eccB3 eccB3 PE5 PE5 espG3 espG3 eccD3 eccD3 mycP3 mycP3 senX3 senX3 regX3 regX3 pstB pstB argC argC argJ argJ argB argB
Nodes:
Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
Node Color
colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
Node Content
empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
Edges:
Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
Others
textmining
co-expression
protein homology
Your Input:
argDRv1655, (MTCY06H11.20), len: 400 aa. Probable argD,Acetylornithine aminotransferase, similar to ARGD_ECOLI|P18335 (406 aa), FASTA scores: opt: 958, E(): 0,(38.6% identity in 404 aa overlap), contains PS00600 Aminotransferases class-III pyridoxal-phosphate attachment site. Belongs to class-III of pyridoxal-phosphate-dependent aminotransferases. (400 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)
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)
PPE25Rv1787, (MTV049.09), len: 365 aa. PPE25, Member of the Mycobacterium tuberculosis PPE family of glycine-rich proteins, similar to Z74024|MTCY274.24 Mycobacterium tuberculosis cosmid (404 aa), FASTA scores: opt: 837, E(): 0, (52.0% identity in 406 aa overlap). (365 aa)
PE18Rv1788, (MTV049.10), len: 99 aa. PE18, Member of the Mycobacterium tuberculosis PE family of gly-, ala-rich proteins (see citation below), similar to Z93777|MTCI364.07 Mycobacterium tuberculosis cosmid (99 aa), FASTA scores: opt: 414, E(): 3.6e-20, (72.4% identity in 98 aa overlap). (99 aa)
PPE26PPE family protein PPE26; Probably plays a key role in regulating innate and adaptive immune responses through human Toll-like receptor 2 (TLR2). Interacts with TLR2, leading to the subsequent activation of the mitogen- activated protein kinase (MAPK) and nuclear factor kappa B (NF-kappa-B) signaling pathways. Stimulates macrophage activation by augmenting pro- inflammatory cytokine production (TNF-alpha, IL-6 and IL-12p40) and the expression of cell surface molecules (CD80, CD86, MHC class I and II). Also participates in adaptive immunity by directing Th1-polarised immune responses. (393 aa)
PPE27Rv1790, (MTV049.12), len: 350 aa. PPE27, Member of the Mycobacterium tuberculosis PPE family of glycine-rich protein, similar to Z74024|MTCY274.24 Mycobacterium tuberculosis cosmid (404 aa), FASTA scores: opt: 849, E(): 0, (50.0% identity in 406 aa overlap). (350 aa)
fbpBDiacylglycerol acyltransferase/mycolyltransferase Ag85B; The antigen 85 proteins (FbpA, FbpB, FbpC) are responsible for the high affinity of mycobacteria for 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-treha [...] (325 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)
plcAMembrane-associated phospholipase C 1 PlcA (MTP40 antigen); Hydrolyzes sphingomyelin in addition to phosphatidylcholine. Probable virulence factor implicated in the pathogenesis of M.tuberculosis at the level of intracellular survival, by the alteration of cell signaling events or by direct cytotoxicity; Belongs to the bacterial phospholipase C family. (512 aa)
ahpCAlkyl hydroperoxide reductase C protein AhpC (alkyl hydroperoxidase C); Thiol-specific peroxidase that catalyzes the reduction of hydrogen peroxide and organic hydroperoxides to water and alcohols, respectively. Plays a role in cell protection against oxidative stress by detoxifying peroxides. Together with AhpD, DlaT and Lpd, constitutes an NADH-dependent peroxidase active against hydrogen and alkyl peroxides as well as serving as a peroxynitrite reductase, thus protecting the bacterium against reactive nitrogen intermediates and oxidative stress generated by the host immune system. D [...] (195 aa)
pks15Rv2947c, (MTCY24G1.02), len: 496 aa. Probable pks15,polyketide synthase. Almost identical to G560508|Q50469 PKS002B protein from Mycobacterium tuberculosis (495 aa),FASTA scores: opt: 3270, E(): 0, (99.6% identity in 496 a a overlap). Similar to Mycobacterium tuberculosis proteins MTCY338.20|RV2931|PPSA_MYCTU ppsA phenolpthiocerol synthesis (1876 aa) (49.9% identity in 465 aa overlap); MTCY24G1.09|RV2940C|P96291 Putative mas, mycocerosic acid synthase (2111 aa) (50.2% identity in 454 aa overlap); and MTCY22H8.03|RV2382C|P71718 hypothetical protein (444 aa) (47.6% identity in 437 aa ove [...] (496 aa)
lipFProbable esterase/lipase LipF; Hydrolyzes short-chain esters. Shows maximal activity with triacetin and p-nitrophenyl acetate. (277 aa)
whiB3Transcriptional regulatory protein WhiB-like WhiB3. Contains [4FE-4S] cluster; A redox-sensitive transcriptional regulator. Maintains intracellular redox homeostasis by regulating catabolic metabolism and polyketide biosynthesis. Regulates expression of the redox buffer ergothioneine (ERG) in a carbon-source- dependent manner; loss of ERG or mycothiol (MSH, the other major redox buffer in this bacteria) leads to respiratory alterations and bioenergetic deficiencies that negatively impact virulence. In response to low external pH (like that found in host macrophage phagosomes) alters en [...] (102 aa)
espRESX-1 transcriptional regulatory protein EspR; Virulence regulator that has both architectural and regulatory roles. Impacts cell wall functions and pathogenesis through regulation of multiple genes, including the espACD operon, which is a key ESX-1 component. Influences target gene expression positively or negatively, depending on its binding position relative to the genes it controls. Acts by binding directly to the DNA. May play a central role in regulating virulence gene expression. (132 aa)
espERv3864, (MTCY01A6.04c), len: 402 aa. EspE, ESX-1 secretion-associated protein, similar to Q49722|ML0405|B1620_C2_213|MLCL383.01 hypothetical 40.8 KDA protein from Mycobacterium leprae (394 aa) FASTA scores: opt: 397, E(): 1.2e-12, (31.0% identity in 410 aa overlap). Also similar to various proteins from several organisms e.g. Q9VYF9|CG12723 hypothetical protein from Drosophila melanogaster (Fruit fly) (450 aa), FASTA scores: opt: 291,E(): 2.3e-07, (34.6% identity in 130 aa overlap); Q98UE3 procollagen ALPHA1(III) (fragment) from Xenopus laevis (African clawed frog) (117 aa) FASTA score [...] (402 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)
esxB10 kDa culture filtrate antigen EsxB (LHP) (CFP10); A secreted protein. Acts as a strong host (human) T-cell antigen. Involved in translocation of bacteria from the host (human) phagolysosome to the host cytoplasm. Might serve as a chaperone to prevent uncontrolled membrane lysis by its partner EsxA; native protein binds poorly to artificial liposomes in the absence or presence of EsxA. EsxA and EsxA-EsxB are cytotoxic to pneumocytes. EsxB (and EsxA-EsxB but not EsxA alone) activates human neutrophils; EsxB transiently induces host (human) intracellular Ca(2+) mobility in a dose-depend [...] (100 aa)
gidProbable glucose-inhibited division protein B Gid; Specifically methylates the N7 position of guanine in position 518 of 16S rRNA. (224 aa)
eccB3ESX conserved component EccB3. ESX-3 type VII secretion system protein. Possible membrane protein; An ATPase (By similarity). Part of the ESX-3 specialized secretion system, which is important for iron and zinc uptake or homeostasis.; Belongs to the EccB family. (538 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)
espG3ESX-3 secretion-associated protein EspG3; Specific chaperone for cognate PE/PPE proteins. Plays an important role in preventing aggregation of PE/PPE dimers. (295 aa)
eccD3ESX-3 secretion system protein EccD3; Part of the ESX-3 specialized secretion system, which is important for iron and zinc uptake or homeostasis. (472 aa)
mycP3Mycosin-3; Rv0291, (MTV035.19), len: 461 aa. Probable mycP3,membrane-anchored serine protease (mycosin) (see Brown et al., 2000), similar to several others in mycobacteria e.g. Z94121|MTY15F10_28|Rv1796 from Mycobacterium tuberculosis (446 aa), FASTA scores: opt: 1168, E(): 0, (44.6% identity in 453 aa overlap); Rv3886c; Rv3883c; Rv3449; and Y14967|MLCB628_4|MLCB628.04 from Mycobacterium leprae (446 aa), FASTA scores: opt: 1159, E(): 0, (43.5 identity in 446 aa overlap). Has signal sequence and hydrophobic stretch at C-terminus, followed by short positively charged segment,that seems t [...] (461 aa)
senX3Putative two component sensor histidine kinase SenX3; Probably forms part of a two-component regulatory system SenX3/RegX3. Phosphorylates RegX3 (Probable). (410 aa)
regX3Sensory transduction protein RegX3; Probably forms part of a two-component regulatory system RegX3/SenX3. (227 aa)
pstBPhosphate-transport ATP-binding protein ABC transporter PstB; Part of the ABC transporter complex PstSACB involved in phosphate import (Probable). Responsible for energy coupling to the transport system. (276 aa)
argCProbable N-acetyl-gamma-glutamyl-phoshate reductase ArgC; Catalyzes the NADPH-dependent reduction of N-acetyl-5- glutamyl phosphate to yield N-acetyl-L-glutamate 5-semialdehyde. (352 aa)
argJProbable glutamate N-acetyltransferase ArgJ; Catalyzes two activities which are involved in the cyclic version of arginine biosynthesis: the synthesis of N-acetylglutamate from glutamate and acetyl-CoA as the acetyl donor, and of ornithine by transacetylation between N(2)-acetylornithine and glutamate. (404 aa)
argBProbable acetylglutamate kinase ArgB; Catalyzes the ATP-dependent phosphorylation of N-acetyl-L- glutamate. (294 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
Server load: low (18%) [HD]
STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.