STRINGSTRING
ABK70529.1 ABK70529.1 ABK74572.1 ABK74572.1 treS treS sodA sodA glf glf katG-3 katG-3 ABK73163.1 ABK73163.1 cyp125 cyp125 otsA otsA phoP phoP prrA prrA ABK72064.1 ABK72064.1 lgt lgt ABK69902.1 ABK69902.1 pks5 pks5 clpP-2 clpP-2 clpP clpP ABK76142.1 ABK76142.1 pafA pafA katG-2 katG-2 secA2 secA2 tpx tpx ABK74611.1 ABK74611.1 katG katG pyk-2 pyk-2 lgt-2 lgt-2 lspA lspA clgR clgR ald ald fbpB fbpB gyrB gyrB pknB pknB pknA pknA espG1 espG1 mycP1 mycP1 pyk pyk mmpL mmpL fadD28 fadD28 ABK71446.1 ABK71446.1 dnaK dnaK grpE grpE clpB clpB sodC sodC senX3 senX3 regX3 regX3 gyrB-2 gyrB-2 groL-2 groL-2 mtrA mtrA sigH sigH nuoG nuoG
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:
ABK70529.1Mycocerosic acid synthase; Identified by match to protein family HMM PF00106; match to protein family HMM PF00109; match to protein family HMM PF00550; match to protein family HMM PF00698; match to protein family HMM PF02801. (1826 aa)
ABK74572.1Anti-sigma factor antagonist; Identified by match to protein family HMM PF01740; match to protein family HMM TIGR00377; Belongs to the anti-sigma-factor antagonist family. (116 aa)
treSTrehalose synthase; Catalyzes the reversible interconversion of maltose and trehalose by transglucosylation. Maltose is the preferred substrate. To a lesser extent, also displays amylase activity, catalyzing the endohydrolysis of (1->4)-alpha-D- glucosidic linkages in glycogen and maltooligosaccharides such as maltoheptaose, to produce maltose which then can be converted to trehalose. TreS plays a key role in the utilization of trehalose for the production of glycogen and alpha-glucan via the TreS-Pep2 branch involved in the biosynthesis of maltose-1-phosphate (M1P). Might also functio [...] (593 aa)
sodA[Mn] superoxide dismutase; Destroys superoxide anion radicals which are normally produced within the cells and which are toxic to biological systems. Belongs to the iron/manganese superoxide dismutase family. (207 aa)
glfUDP-galactopyranose mutase; Identified by match to protein family HMM PF03275; match to protein family HMM TIGR00031. (412 aa)
katG-3Catalase/peroxidase HPI; Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity. May play a role in the intracellular survival of mycobacteria. (739 aa)
ABK73163.1Anti-anti-sigma factor; Identified by match to protein family HMM PF01740; match to protein family HMM TIGR00377; Belongs to the anti-sigma-factor antagonist family. (119 aa)
cyp125P450 heme-thiolate protein; Involved in the utilization of cholesterol as the sole carbon and energy source by degrading the side chain. Primarily catalyzes the sequential oxidation of the terminal methyl of cholest-4-en-3-one into (25S)-26-hydroxycholest-4-en-3-one (alcohol), (25S)-26-oxocholest-4-en- 3-one (aldehyde), to finally yield the carboxylic acid (25S)-3- oxocholest-4-en-26-oate. Also able to sequentially oxidize cholesterol itself, not only cholest-4-en-3-one. (427 aa)
otsAAlpha,alpha-trehalose-phosphate synthase (UDP-forming); Involved in the production of glycogen and alpha-glucan via the TreS-Pep2 branch involved in the biosynthesis of maltose-1- phosphate (M1P), and probably in the osmoprotection via the biosynthesis of trehalose. Catalyzes the transfer of glucose from UDP-glucose (UDP-Glc) to glucose-6-phosphate (Glc-6-P) to form trehalose-6-phosphate. ADP-Glc, CDP-Glc, GDP- Glc and TDP-Glc are also glucosyl donors, however, when the pyrimidine sugar nucleotides (CDP-Glc, TDP-Glc and UDP-Glc) are used as substrates, there is an absolute requirement [...] (503 aa)
phoPDNA-binding response regulator PhoP; Identified by match to protein family HMM PF00072; match to protein family HMM PF00486. (239 aa)
prrADNA-binding response regulator PrrA; Identified by similarity to SP:Q10531; match to protein family HMM PF00072; match to protein family HMM PF00486. (236 aa)
ABK72064.1Substrate binding protein; Identified by match to protein family HMM PF01547. (447 aa)
lgtProlipoprotein diacylglyceryl transferase; Catalyzes the transfer of the diacylglyceryl group from phosphatidylglycerol to the sulfhydryl group of the N-terminal cysteine of a prolipoprotein, the first step in the formation of mature lipoproteins. (261 aa)
ABK69902.1MmpL protein; Identified by match to protein family HMM PF03176; match to protein family HMM TIGR00833. (1007 aa)
pks5Mycocerosic acid synthase; Polyketide synthase involved in the biosynthesis of 2,4- dimethyl-2-eicosenoic acid, a lipid component of the lipooligosaccharides (LOS) which are not located at the bacterial surface but rather in deeper compartments of the cell envelope of M.smegmatis. (2111 aa)
clpP-2Clp protease; Cleaves peptides in various proteins in a process that requires ATP hydrolysis. Has a chymotrypsin-like activity. Plays a major role in the degradation of misfolded proteins. Belongs to the peptidase S14 family. (203 aa)
clpPClp protease; Cleaves peptides in various proteins in a process that requires ATP hydrolysis. Has a chymotrypsin-like activity. Plays a major role in the degradation of misfolded proteins. Belongs to the peptidase S14 family. (218 aa)
ABK76142.1Possible conserved transmembrane protein. (96 aa)
pafAProteasome component; Catalyzes the covalent attachment of the prokaryotic ubiquitin-like protein modifier Pup to the proteasomal substrate proteins, thereby targeting them for proteasomal degradation. This tagging system is termed pupylation. The ligation reaction likely involves the side-chain carboxylate of the C-terminal glutamate of Pup and the side-chain amino group of a substrate lysine. Belongs to the Pup ligase/Pup deamidase family. Pup- conjugating enzyme subfamily. (452 aa)
katG-2Catalase/peroxidase HPI; Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity; Belongs to the peroxidase family. Peroxidase/catalase subfamily. (688 aa)
secA2ATPase SecA2; Part of the Sec protein translocase complex. Interacts with the SecYEG preprotein conducting channel. Has a central role in coupling the hydrolysis of ATP to the transfer of proteins into and across the cell membrane, serving as an ATP-driven molecular motor driving the stepwise translocation of polypeptide chains across the membrane; Belongs to the SecA family. (784 aa)
tpxThiol peroxidase; 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. (164 aa)
ABK74611.1NAD-dependent epimerase/dehydratase; Identified by match to protein family HMM PF01073; match to protein family HMM PF01370; match to protein family HMM PF07993. (303 aa)
katGCatalase/peroxidase HPI; Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity. May play a role in the intracellular survival of mycobacteria. (748 aa)
pyk-2Pyruvate kinase; Identified by match to protein family HMM PF00224; match to protein family HMM PF02887; match to protein family HMM TIGR01064; Belongs to the pyruvate kinase family. (472 aa)
lgt-2Prolipoprotein diacylglyceryl transferase; Catalyzes the transfer of the diacylglyceryl group from phosphatidylglycerol to the sulfhydryl group of the N-terminal cysteine of a prolipoprotein, the first step in the formation of mature lipoproteins; Belongs to the Lgt family. (616 aa)
lspALipoprotein signal peptidase; This protein specifically catalyzes the removal of signal peptides from prolipoproteins. (235 aa)
clgRTranscriptional regulator, XRE family protein; Probably controls the response to vancomycin treatment; vancomycin induces expression of the clp regulon (clpP1, clpP2 and clpC1). (112 aa)
aldAlanine dehydrogenase; Catalyzes the reversible reductive amination of pyruvate to L-alanine. May be required for the adaptation from aerobic growth to anaerobic dormancy. I could be involved in the maintenance of the NAD pool during the shift to an anaerobic dormant state in which oxygen as a terminal electron acceptor becomes limited. (371 aa)
fbpBAntigen 85-C; The antigen 85 proteins (FbpA, FbpB, FbpC) are responsible for the high affinity of mycobacteria for fibronectin, a large adhesive glycoprotein. 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-trehalose monomycolate (TMM) to another TMM, leading to the formation of TDM (By similarity). (325 aa)
gyrBDNA gyrase, B subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. (675 aa)
pknBSerine-threonine protein kinase; Protein kinase that regulates many aspects of mycobacterial physiology. Is a key component of a signal transduction pathway that regulates cell growth, cell shape and cell division via phosphorylation of target proteins (By similarity). Probably phosphorylates RseA. (625 aa)
pknASerine/threonine protein kinase PknA; Identified by match to protein family HMM PF00069. (419 aa)
espG1Conserved hypothetical protein; Part of the ESX-1 / type VII specialized secretion system (T7SS), which exports several proteins including EsxA and EsxB. Specific chaperone for cognate PE/PPE proteins, plays an important role in preventing aggregation of PE/PPE dimers (By similarity). Also plays a role in DNA conjugation, in at least recipient strain (By similarity). ECO:0000250|UniProtKB:L8FPI5, ; Belongs to the EspG family. (282 aa)
mycP1Membrane-anchored mycosin mycp1; May play a dual role in regulation of ESX-1 secretion and virulence. Acts as a protease that cleaves EspB. Belongs to the peptidase S8 family. (449 aa)
pykPyruvate kinase; Identified by match to protein family HMM PF00224; match to protein family HMM PF02887; match to protein family HMM TIGR01064; Belongs to the pyruvate kinase family. (477 aa)
mmpLMmpL protein; Identified by match to protein family HMM PF03176; match to protein family HMM TIGR00833. (1002 aa)
fadD28acyl-CoA synthase; Identified by match to protein family HMM PF00501. (569 aa)
ABK71446.1Stas domain, putative; Identified by match to protein family HMM PF01740. (129 aa)
dnaKChaperone protein DnaK; Acts as a chaperone; Belongs to the heat shock protein 70 family. (622 aa)
grpECo-chaperone GrpE; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins, in association with DnaK and GrpE. It is the nucleotide exchange factor for DnaK and may function as a thermosensor. Unfolded proteins bind initially to DnaJ; upon interaction with the DnaJ-bound protein, DnaK hydrolyzes its bound ATP, resulting in the formation of a stable complex. GrpE releases ADP from DnaK; ATP binding to DnaK triggers the release of the substrate protein, thus completing the reaction cycle. Several rounds of ATP-depend [...] (216 aa)
clpBChaperone ClpB; Part of a stress-induced multi-chaperone system, it is involved in the recovery of the cell from heat-induced damage, in cooperation with DnaK, DnaJ and GrpE; Belongs to the ClpA/ClpB family. (848 aa)
sodCCopper/zinc superoxide dismutase; Destroys radicals which are normally produced within the cells and which are toxic to biological systems. Belongs to the Cu-Zn superoxide dismutase family. (236 aa)
senX3Sensor histidine kinase SenX3; Part of the two-component regulatory system SenX3/RegX3. Phosphorylates RegX3 under conditions of phosphate limitation. Probably does not itself sense phosphate concentrations, which may be relayed to SenX3 by the PstSCAB phosphate transporter system. (384 aa)
regX3DNA-binding response regulator RegX3; Part of the two-component regulatory system SenX3/RegX3. Once phosphorylated by SenX3, activates the expression of several operons/genes involved in phosphate assimilation and metabolism, such as pstSCAB, phnDCE, and phoA. (225 aa)
gyrB-2DNA gyrase, B subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. (639 aa)
groL-2Chaperonin GroL; Prevents misfolding and promotes the refolding and proper assembly of unfolded polypeptides generated under stress conditions. (540 aa)
mtrADNA-binding response regulator MtrA; Member of the two-component regulatory system MtrA/MtrB, responding to environmental signals (Probable). Controls expression of a number of genes including dnaA, ripA, fbpB and probably itself. Probably plays a role in cell division. (228 aa)
sigHRNA polymerase sigma-70 factor, family protein; 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. This sigma factor is involved in heat shock and oxidative stress responses. (219 aa)
nuoGNADH-quinone oxidoreductase, G subunit; NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory chain. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient. Belongs to the complex I 75 kDa subunit family. (794 aa)
Your Current Organism:
Mycolicibacterium smegmatis
NCBI taxonomy Id: 246196
Other names: M. smegmatis MC2 155, Mycobacterium smegmatis MC2 155, Mycolicibacterium smegmatis MC2 155
Server load: low (18%) [HD]
STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.