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tpiA tpiA abrB abrB sigH sigH skfB skfB amyE amyE putB putB lrpC lrpC cshA cshA sigM sigM scoC scoC comK comK tnrA tnrA glcT glcT ccpC ccpC sbp sbp sigG sigG codY codY sigD sigD rimP rimP ylxR ylxR rplGA rplGA infB infB gltB gltB gltA gltA gltC gltC proJ proJ qcrB qcrB hbs hbs sigX sigX sigF sigF spo0A spo0A ccpN ccpN ilvB ilvB pyk pyk pfkA pfkA ccpA ccpA asnB asnB metK metK bslA bslA eno eno pgk pgk gapA gapA cggR cggR sigL sigL rocG rocG asnH asnH
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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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experimentally determined
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tpiATriose phosphate isomerase; Involved in the gluconeogenesis. Catalyzes stereospecifically the conversion of dihydroxyacetone phosphate (DHAP) to D- glyceraldehyde-3-phosphate (G3P); Belongs to the triosephosphate isomerase family. (253 aa)
abrBTranscriptional regulator for transition state genes; Ambiactive repressor and activator of the transcription of genes expressed during the transition state between vegetative growth and the onset of stationary phase and sporulation. It controls the expression of genes spovG and tycA. AbrB binds to the tycA promoter region at two A- and T-rich sites, it may be the sole repressor of tycA transcription; To B.subtilis Abh and SpoVT. (96 aa)
sigHRNA polymerase sigma-30 factor (sigma(H)); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is involved in the transition to post- exponential phase in the beginning of sporulation. It is also required for transcription of several stationary phase genes. (218 aa)
skfBSynthesis of sporulation killing factor A; Catalyzes the formation of the thioether bond required for production of the sporulation killing factor (SKF) from SkfA. Forms the cysteine-methionine thioether bond found in SKF; the acceptor amino acid can be hydrophobic, aromatic or a small hydrophilic amino acid but not a larger hydrophilic amino acid, i.e. Met=Ala, Phe, Leu, Tyr>Asn, Ser>>Gln, Glu, Lys. The relative position of Cys and Met in the substrate cannot be inverted, in vitro the thioether bond cannot be made in the absence of the SkfA propeptide, suggesting this is the first rea [...] (410 aa)
amyEAlpha-amylase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the glycosyl hydrolase 13 family. (659 aa)
putBProline oxidase; Converts proline to delta-1-pyrroline-5-carboxylate. Important for the use of proline as a sole carbon and energy source or a sole nitrogen source. (303 aa)
lrpCTranscriptional regulator (Lrp/AsnC family); Transcriptional regulator with a possible role in regulation of amino acid metabolism. Plays a role in the growth phase transition. (144 aa)
cshAATP-dependent RNA helicase; The most abundant DEAD-box RNA helicase. An ATP-dependent RNA helicase with RNA-dependent ATPase activity. May work in conjunction with the cold shock proteins to ensure proper initiation of transcription at low and optimal temperatures. In vitro, unwinds dsRNA in both 5'- and 3'- directions. Plays a role in ribosomal 50S subunit assembly. Its deletion leads to changes in mRNA levels for over 200 transcripts. (494 aa)
sigMRNA polymerase ECF (extracytoplasmic function)-type sigma factor (sigma(M)); 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 a cognate anti-sigma factor (YhdL) until released. This sigma factor is involved in the maintenance of membrane and cell wall integrity in response to environmental stresses including salt, acid, ethanol and antibiotics stress. Partially regulates transcription from a number of genes including disA. (163 aa)
scoCHTH-type transcriptional regulator Hpr; Negative regulator of protease production and sporulation. Acts by binding directly to the promoter of protease genes (aprE and nprE), and by repressing oligopeptide permease operons (appABCDF and oppABCDF), thereby preventing uptake of oligopeptides required for initiation of sporulation. Acts with SinR as a corepressor of epr expression. (203 aa)
comKCompetence transcription factor (CTF); A master regulator required for the expression of late competence genes including comC, comE, comG and the bdbDC operon. Receives signals from SrfA, and possibly other regulatory COM genes, and transduces these signals to the late COM genes. Represses transcription of rok. May repress expression of a few genes. (192 aa)
tnrANitrogen sensing transcriptional regulator; Transcription regulator that actives the transcription of genes required for nitrogen assimilation such as nrgAB (ammonium transport), nasABCDEF (nitrate/nitrite assimilation), ureABC (urea degradation) and gabP (GABA transport), during nitrogen limitation. Also represses glnRA and gltAB in the absence of ammonium. On the contrary of the MerR members, which require longer DNA sites for high-affinity binding, TnrA requires a DNA sequence of 17 nucleotides as minimal binding site. (110 aa)
glcTTranscriptional antiterminator (BglG family); Mediates the positive regulation of the glucose PTS operon (ptsGHI) by functioning as an antiterminator factor of transcription via its interaction with the RNA-antiterminator (RAT) sequence located upstream of the ptsG gene. The RNA-binding domain of GlcT directly binds to the RNA antiterminator (RAT) sequence and prevents transcriptional termination. GlcT binding requires two identical and nearly symmetrical triple base pairings in the RAT sequence. (288 aa)
ccpCTranscriptional repressor of citB and citZ; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type r: regulator; Belongs to the LysR transcriptional regulatory family. (293 aa)
sbpPutative integral inner membrane protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type pm: putative membrane component. (121 aa)
sigGRNA polymerase sporulation-specific sigma factor (sigma-G); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is responsible for the expression of sporulation specific genes in the forespore. (260 aa)
codYTranscriptional regulator, GTP and BCAA-dependent; DNA-binding protein that represses the expression of many genes that are induced as cells make the transition from rapid exponential growth to stationary phase and sporulation. It is a GTP- binding protein that senses the intracellular GTP concentration as an indicator of nutritional limitations. At low GTP concentration it no longer binds GTP and stop to act as a transcriptional repressor. (259 aa)
sigDRNA polymerase sigma-28 factor (sigma-D); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This alternative sigma factor is required for the transcription of the flagellin and motility genes as well as for wild- type chemotaxis. (254 aa)
rimPRibosome maturation factor; Required for maturation of 30S ribosomal subunits. Belongs to the RimP family. (156 aa)
ylxRPutative RNA binding protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type pf: putative factor. (91 aa)
rplGARibosomal protein L7Ae; RNA-binding protein that recognizes the K-turn motif present in ribosomal RNA, but also in box C/D and box C'/D' sRNAs. (100 aa)
infBInitiation factor IF-2; One of the essential components for the initiation of protein synthesis. Protects formylmethionyl-tRNA from spontaneous hydrolysis and promotes its binding to the 30S ribosomal subunits. Also involved in the hydrolysis of GTP during the formation of the 70S ribosomal complex; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. IF-2 subfamily. (716 aa)
gltBGlutamate synthase (small subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (493 aa)
gltAGlutamate synthase (large subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the glutamate synthase family. (1520 aa)
gltCTranscriptional regulator (LysR family); Positive regulator of glutamate biosynthesis (gltAB genes). Negatively regulates its own expression. (300 aa)
proJGlutamate 5-kinase; Catalyzes the transfer of a phosphate group to glutamate to form L-glutamate 5-phosphate. (371 aa)
qcrBMenaquinol:cytochrome c oxidoreductase (cytochrome b subunit); Component of the menaquinol-cytochrome c reductase complex. (224 aa)
hbsNon-specific DNA-binding protein HBsu; Histone-like DNA-binding protein which is capable of wrapping DNA to stabilize it, and thus to prevent its denaturation under extreme environmental conditions. Binds evenly across chromosome, does not display a preference for AT content. (92 aa)
sigXRNA polymerase ECF(extracytoplasmic function)-type sigma factor sigma(X); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. May be involved in the regulation of iron metabolism; Belongs to the sigma-70 factor family. ECF subfamily. (194 aa)
sigFRNA polymerase sporulation-specific sigma factor (sigma-F); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is responsible for the expression of sporulation specific genes. Interaction with SpoIIAB inhibits sigma-F activity throughout the cell before the formation of the asymmetric septum; after septation the interaction is confined to the mother cell, and sigma F activity is released in the prespore. Responsible for expression of csfB (the anti-sigma-G factor Gin). (255 aa)
spo0AResponse regulator; May play the central regulatory role in sporulation. It may be an element of the effector pathway responsible for the activation of sporulation genes in response to nutritional stress. Spo0A may act in concert with Spo0H (a sigma factor) to control the expression of some genes that are critical to the sporulation process. Repressor of abrB, activator of the spoIIa operon. Binds the DNA sequence 5'-TGNCGAA-3' (0A box). (267 aa)
ccpNNegative regulator of gluconeogenesis; Transcription repressor that binds to the promoter of gapB and pckA genes, preventing their expression. Acts as a regulator for catabolite repression of gluconeogenic genes. (212 aa)
ilvBAcetolactate synthase (acetohydroxy-acid synthase) (large subunit); Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme. (574 aa)
pykPyruvate kinase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; In the C-terminal section; belongs to the PEP-utilizing enzyme family. (585 aa)
pfkA6-phosphofructokinase; Catalyzes the phosphorylation of D-fructose 6-phosphate to fructose 1,6-bisphosphate by ATP, the first committing step of glycolysis; Belongs to the phosphofructokinase type A (PFKA) family. ATP-dependent PFK group I subfamily. Prokaryotic clade 'B1' sub- subfamily. (319 aa)
ccpATranscriptional regulator (Lacl family); Global transcriptional regulator of carbon catabolite repression (CCR) and carbon catabolite activation (CCA), which ensures optimal energy usage under diverse conditions. Interacts with either P- Ser-HPr or P-Ser-Crh, leading to the formation of a complex that binds to DNA at the catabolite-response elements (cre). Binding to DNA allows activation or repression of many different genes and operons. (334 aa)
asnBAsparagine synthetase; Main asparagine synthetase in vegetative cells. (632 aa)
metKS-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. (400 aa)
bslABiofilm hydrophobic layer component; Involved in biofilm formation. Self-polymerizes and forms a layer on the surface of biofilms that confers hydrophobicity to the biofilm. The layer is stable and capable of resistance to high mechanical force compression. Required for complex colony architecture. May function synergistically with exopolysaccharides and TasA amyloid fibers to facilitate the assembly of the biofilm matrix. (181 aa)
enoEnolase; Catalyzes the reversible conversion of 2-phosphoglycerate into phosphoenolpyruvate. It is essential for the degradation of carbohydrates via glycolysis; Belongs to the enolase family. (430 aa)
pgkPhosphoglycerate kinase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the phosphoglycerate kinase family. (394 aa)
gapAGlyceraldehyde-3-phosphate dehydrogenase; Involved in the glycolysis. Catalyzes the oxidative phosphorylation of glyceraldehyde 3-phosphate (G3P) to 1,3- bisphosphoglycerate (BPG) using the cofactor NAD. The first reaction step involves the formation of a hemiacetal intermediate between G3P and a cysteine residue, and this hemiacetal intermediate is then oxidized to a thioester, with concomitant reduction of NAD to NADH. The reduced NADH is then exchanged with the second NAD, and the thioester is attacked by a nucleophilic inorganic phosphate to produce BPG. (335 aa)
cggRTranscriptional regulator of gapA; In the absence of glucose, represses the transcription of the gapA operon, which encodes five key glycolytic enzymes. Binds specifically to the cggR-gapA promoter region and blocks the progression of the RNA polymerase, leading to the arrest of the transcription; Belongs to the SorC transcriptional regulatory family. (340 aa)
sigLRNA polymerase sigma-54 factor (sigma-L); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is responsible for the expression of the levanase operon. The open complex (sigma-54 and core RNA polymerase) serves as the receptor for receipt of the melting signal from the remotely bound activator protein LevR for the expression of the levanase operon. (436 aa)
rocGGlutamate dehydrogenase; Devoted to catabolic function of glutamate (and other amino acids of the glutamate family) utilization as sole nitrogen source. It is not involved in anabolic function of glutamate biosynthesis since B.subtilis possesses only one route of glutamate biosynthesis from ammonia, catalyzed by glutamate synthase. RocG is unable to utilize glutamate or glutamine as sole carbon source and to synthesize glutamate, but it is involved in the utilization of arginine, and proline as carbon or nitrogen source. The catabolic RocG is essential for controlling gltAB expression [...] (424 aa)
asnHAsparagine synthetase (glutamine-hydrolyzing); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the asparagine synthetase family. (747 aa)
Your Current Organism:
Bacillus subtilis 168
NCBI taxonomy Id: 224308
Other names: B. subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis 168, Bacillus subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis str. BGSC 1A700
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