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espJ espJ esxP esxP plcB plcB plcA plcA nrdH nrdH mymA mymA sadH sadH PE_PGRS51 PE_PGRS51 groES groES Rv3479 Rv3479 esxW esxW aftA aftA mmpL8 mmpL8 pks2 pks2 espF espF esxA esxA espK espK espB espB dnaA dnaA mftE mftE sigL sigL phoP phoP phoR phoR pstA1 pstA1 esxJ esxJ chp2 chp2 PPE18 PPE18 esxK esxK Rv1586c Rv1586c otsB1 otsB1 hspX hspX Rv2319c Rv2319c esxO esxO
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
white nodes:
second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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espJESX-1 secretion-associated protein EspJ. Conserved alanine rich protein; Could be involved in regulation of growth and intracellular survival. (280 aa)
esxPRv2347c, (MT2412, MTCY98.16c), len: 98 aa. EsxP,ESAT-6 like protein (see citation below). Member of M. tuberculosis hypothetical QILSS protein family with Rv1197,Rv1792, Rv1038c and Rv3620c. Belongs to the ESAT6 family. A core mycobacterial gene; conserved in mycobacterial strains (See Marmiesse et al., 2004). (98 aa)
plcBMembrane-associated phospholipase C 2 PlcB; 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. (512 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)
nrdHProbable glutaredoxin electron transport component of NRDEF (glutaredoxin-like protein) NrdH; Rv3053c, (MTCY22D7.29), len: 79 aa. Probable nrdH,glutaredoxin-like protein, equivalent to Q9CBP8|NRDH|ML1736 from Mycobacterium leprae (80 aa), FASTA scores: opt: 478,E(): 2.7e-27, (91.15% identity in 79 aa overlap), and similar to many glutaredoxin-like proteins e.g. Q9XD65|NRDH from Corynebacterium glutamicum (Brevibacterium flavum) (77 aa), FASTA scores: opt: 382, E(): 1.5e-20, (72.35% identity in 76 aa overlap); and Q56108|NRDH_SALTY from Salmonella typhimurium (81 aa), FASTA scores: opt: [...] (79 aa)
mymAProbable monooxygenase (hydroxylase); Required for maintaining the appropriate mycolic acid composition and permeability of the envelope on its exposure to acidic pH; Belongs to the FAD-binding monooxygenase family. (495 aa)
sadHProbable short-chain type dehydrogenase/reductase; Required for maintaining the appropriate mycolic acid composition and permeability of the envelope on its exposure to acidic pH. (276 aa)
PE_PGRS51PE-PGRS family protein PE_PGRS51; Rv3367, (MTV004.25), len: 588 aa. PE_PGRS51, Member of the Mycobacterium tuberculosis PE family, PGRS subfamily of gly-rich proteins (see Brennan & Delogu 2002). Similar to many from Mycobacterium tuberculosis strains H37Rv and CDC1551 e.g. O50415|Rv3388|MTV004.46 (731 aa), FASTA scores: opt: 1999, E(): 7.2e-72, (55.0% identity in 620 aa overlap); and MTV004_44, MTV043_65, MTV006_15, MTCY63_2,MTCY21B4_13, MTV023_21, MTV008_43, MTCY24A1_4, MTV023_15; etc. Equivalent to AAK47814 from Mycobacterium tuberculosis strain CDC1551 (628 aa) but shorter 37 aa. (588 aa)
groES10 kDa chaperonin GroES (protein CPN10) (protein GroES) (BCG-a heat shock protein) (10 kDa antigen); Binds to Cpn60 in the presence of Mg-ATP and suppresses the ATPase activity of the latter; Belongs to the GroES chaperonin family. (100 aa)
Rv3479Rv3479, (MTCY13E12.32), len: 1021 aa. Possible transmembrane protein, with hydrophobic stretches at C-terminus. Start changed since first submission (-54 aa). Alternative nucleotide at position 3896340 (T->G; L174R) has been observed. (1021 aa)
esxWRv3620c, (MTCY15C10.32, MTCY07H7B.02, MT3722), len: 98 aa. EsxW, ESAT-6 like protein (see citation below). Member of the M. tuberculosis hypothetical QILSS protein family with Rv1038c, Rv1792, Rv2347c and Rv1197|O05299|ES63_MYCTU|MT1235|MTCI364.09 putative ESAT-6 like protein 3 from Mycobacterium tuberculosis (98 aa),FASTA scores: opt: 638, E(): 2.3e-36, (97.95% identity in 98 aa overlap). Also similar to Q49945|ES6Y_MYCLE putative ESAT-6 like protein Y from Mycobacterium leprae (100 aa),FASTA scores: opt: 370, E(): 2.1e-18, (57.9% identity in 95 aa overlap); etc. Belongs to the ESAT6 [...] (98 aa)
aftAArabinofuranosyltransferase AftA; Involved in the biosynthesis of the arabinogalactan (AG) region of the mycolylarabinogalactan-peptidoglycan (mAGP) complex, an essential component of the mycobacterial cell wall. Catalyzes the addition of the first key arabinofuranosyl (Araf) residue from the sugar donor decaprenyl-phospho-arabinose (DPA) on the C-5 of a 6-linked galactofuranosyl (Galf) of the galactan domain, thus 'priming' the galactan for further elaboration by other arabinofuranosyltransferases. It is not able to add an Araf residue to a terminal Galf. Belongs to the glycosyltransf [...] (643 aa)
mmpL8Conserved integral membrane transport protein MmpL8; Required for the biosynthesis and the transport across the inner membrane of sulfolipid-1 (SL-1), which is a major cell wall lipid of pathogenic mycobacteria. Could also transport SL1278 (2-palmitoyl-3- (C43)-phthioceranyl-alpha, alpha'-D-trehalose-2'-sulfate), which is the precursor of SL-1. Required for virulence. (1089 aa)
pks2Polyketide synthase Pks2; Catalyzes the synthesis of the hepta- and octamethyl phthioceranic acids and/or hydroxyphthioceranic acids that are the major acyl constituents of sulfolipids. (2126 aa)
espFRv3865, (MTCY01A6.03c), len: 103 aa. EspF, ESX-1 secretion-associated protein, showing some similarity to O06268|Rv3615c|MTCY07H7B.07 hypothetical 10.8 KDA protein from Mycobacterium tuberculosis (103 aa), FASTA scores: opt: 198, E(): 7.5e-07, (36.25% identity in 102 aa overlap); Q49723|ML0406|B1620_C2_214|MLCL383.02 hypothetical 11.1 KDA protein from Mycobacterium leprae (106 aa), FASTA scores: opt: 154, E(): 0.00071, (31.05% identity in 103 aa overlap); Belongs to the EspC family. (103 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)
espKESX-1 secretion-associated protein EspK. Alanine and proline rich protein; May act as a chaperone that facilitates EspB secretion through an interaction with EccCb1. (729 aa)
espBSecreted ESX-1 substrate protein B, EspB. Conserved alanine and glycine rich protein; Required for host-cell death and may support an EsxA- independent virulence function. Secreted processed form of EspB binds to phosphatidic acid and phosphatidylserine. Inhibits IFN-gamma-induced autophagy in murine macrophages. (460 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)
mftEConserved hypothetical protein; May play a role in the maturation of mycofactocin, a conserved polypeptide that might serve as an electron carrier. The genes for mycofactocin and other proteins proposed to function in its maturation are found in a conserved gene cluster. (251 aa)
sigLProbable alternative RNA polymerase sigma factor SigL; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. Extracytoplasmic function (ECF) sigma factors are held in an inactive form by an anti-sigma factor until released by regulated intramembrane proteolysis. Over-expression of SigL induces 19-28 genes including polyketide synthases, secreted and membrane proteins. Might play a minor role in regulating SigB. (177 aa)
phoPRv0757, (MTCY369.02), len: 247 aa. Possible phoP,two component system response phosphate regulon transcriptional regulator (see citations below), highly similar to various transcriptional regulators e.g. CAC32360.1|AL583945 putative two component system response regulator from Streptomyces coelicolor (271 aa); T45446 probable two-component response regulator from Mycobacterium leprae (253 aa); and similar to phoP proteins e.g. P13792|PHOP_BACSU alkaline phosphatase synthesis transcription regulatory protein from Bacillus subtilis (240 aa), FASTA scores: opt: 594, E(): 2.3e-33, (41.0% i [...] (247 aa)
phoRRv0758, (MTCY369.03), len: 485 aa. Possible phoR,two component system response phosphate sensor kinase membrane-associated, highly similar to various sensor kinases e.g. CAC32361.1|AL583945 putative two component system histidine kinase from Streptomyces coelicolor (524 aa); NP_349365.1|NC_003030 Membrane-associated sensory histidine kinase with HAMP domain from Clostridium acetobutylicum (482 aa); and similar to phoP proteins e.g. NP_372216.1|NC_002758 alkaline phosphatase synthesis sensor protein from Staphylococcus aureus (554 aa); P23545|PHOR_BACSU alkaline phosphatase synthesis se [...] (485 aa)
pstA1Probable phosphate-transport integral membrane ABC transporter PstA1; Part of the binding-protein-dependent transport system for phosphate; probably responsible for the translocation of the substrate across the membrane; Belongs to the binding-protein-dependent transport system permease family. CysTW subfamily. (308 aa)
esxJRv1038c, (MT1067, MTCY10G2.11), len: 98 aa. EsxJ,ESAT-6 like protein (see Gey Van Pittius et al., 2001),similar to Q49945|U1756C, Mycobacterium leprae (100 aa),FASTA scores: opt: 375, E(): 7.7e-21, (58.3% identity in 96 aa overlap). Member of M. tuberculosis hypothetical QILSS protein family with Rv1197, Rv1792, Rv2347c and Rv3620c. Belongs to the ESAT6 family. (98 aa)
chp2Possible exported protein; Involved in the final steps of polyacyltrehalose (PAT) biosynthesis. Catalyzes the transfer of three mycolipenoyl groups onto diacyltrehalose (DAT) to form PAT. (359 aa)
PPE18PPE family protein PPE18; Could be a crucial virulence factor for intracellular survival of M.tuberculosis. Favors development of Th2-type response, and downregulates the proinflammatory and Th1-type response. Specifically interacts with the human Toll-like receptor 2 (TLR2), leading to an early and sustained activation of p38 MAPK, which induces IL-10 production and activates Th2-type immune response. Also inhibits proinflammatory cytokines IL-12p40 and TNF-alpha production. Acts by upregulating the expression as well as tyrosine phosphorylation of suppressor of cytokine signaling 3 ( [...] (391 aa)
esxKRv1197, (MT1235, MTCI364.09), len: 98 aa. EsxK,ESAT-6 like protein (see citation below). Member of M. tuberculosis hypothetical QILSS protein family with Rv1038c, etc. Almost identical to MTCY98.023c (98 aa) (99.0% identity in 98 aa overlap) and MTCY10G2.11 (98 aa),FASTA scores: opt: 643, E(): 0, (99.0% identity in 98 aa overlap); highly similar to Q49945|U1756C from Mycobacterium leprae (100 aa), FASTA scores: opt: 377, E(): 8e-21, (58.3% identity in 96 aa overlap). Belongs to the ESAT6 family. (98 aa)
Rv1586cProbable PhiRv1 integrase; Rv1586c, (MTCY336.18), len: 469 aa. Probable phiRv1 integrase, possibly member of the serine family of recombinases (see citation below), similar to several bacteriophage integrases e.g. Q37839 ORF469 protein from Bacteriophage R4 (469 aa), FASTA scores: opt: 623, E(): 1.6e-29, (31.1% identity in 482 aa overlap); and Bacteriophage TP901-1. This region is a possible MT-complex-specific genomic island (See Becq et al.,2007). (469 aa)
otsB1Rv2006, (MTCY39.11c), len: 1327 aa. OtsB1,trehalose-6-phosphate phosphatase (see citations below). Belongs to Glycosyl hydrolases family 65. Note that previously known as otsB. Predicted possible vaccine candidate (See Zvi et al., 2008). (1327 aa)
hspXHeat shock protein HspX (alpha-crystallin homolog) (14 kDa antigen) (HSP16.3); Acts as a chaperone, as it has a significant ability to suppress the thermal denaturation of alcohol dehydrogenase. Cells overexpressing this gene grow more slowly than wild-type cells, and are less susceptible to autolysis following saturation of the culture in vitro, suggesting this protein may slow down the growth rate of M.tuberculosis in culture and by extension during macrophage infection. Belongs to the small heat shock protein (HSP20) family. (144 aa)
Rv2319cRv2319c, (MTCY3G12.15), len: 292 aa. Universal stress protein family protein. (292 aa)
esxOPutative ESAT-6 like protein EsxO (ESAT-6 like protein 6); Plays an important role in mycobacterial pathogenesis in the context of innate immunity. Aids host cell invasion and intracellular bacillary persistence. Increases host oxidative stress response, leading to genomic instability and decrease in macrophage viability. Also induces autophagy and modulates the immune function of macrophages; Belongs to the WXG100 family. ESAT-6 subfamily. (94 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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