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sigW sigW sigH sigH bofA bofA sigV sigV spoIVFB spoIVFB spoIVB spoIVB spoIVFA spoIVFA sigL sigL ctpB ctpB prsW prsW rseP rseP divIVA divIVA sigG sigG fabF fabF fabHA fabHA sigM sigM pbpC pbpC rsiW rsiW
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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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sigWRNA polymerase ECF(extracytoplasmic function)-type sigma factor W; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. Sigma-W controls genes involved in response to cell envelope stress such as antimicrobial peptides , alkaline pH , transport processes and detoxification. (187 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)
bofAInhibitor of the pro-sigma(K) processing machinery; Involved in the mediation of the intercompartmental coupling of pro-sigma K processing to events in the forespore. Inhibits SpoIVFB- processing activity until a signal has been received from the forespore. Could inhibit SpoIVFB metalloprotease activity by coordinating a zinc in the SpoIVFB active site, preventing access of a water molecule and the sequence of pro-sigma K, which are necessary for peptide bond hydrolysis to produce sigma-K. (87 aa)
sigVRNA polymerase ECF(extracytoplasmic function)-type sigma factor (sigma(V)); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. Positively regulates the expression of proteins involved in stress responses against bacitracin, paraquat and tellurite. Belongs to the sigma-70 factor family. ECF subfamily. (166 aa)
spoIVFBMembrane metalloprotease; Implicated in the coupling of mother cell to forespore gene expression. Required for spore formation. Processes the pro-sigma K factor. (288 aa)
spoIVBRegulatory membrane-associated serine protease; Plays a central role in the sigma-K checkpoint which coordinates gene expression during the later stages of spore formation. The protease is activated by trans cleavage of the zymogen precursor producing SpoIVB-45 kDa. This undergoes further trimming by cis cleavage to form SpoIVB-43 kDa and SpoIVB-42 kDa. The protease then cleaves the C-terminus of the SpoIVFA metalloprotease activating the latter. (426 aa)
spoIVFARegulator of SpoIVFB (stage IV sporulation); Implicated in the coupling of mother cell to forespore gene expression. Required for spore formation at 37 degrees Celsius, but not at 30 degrees Celsius. SpoIVFA plays a central role in both maintaining the SpoIVFA/BofA/SpoIVFB complex and anchoring it to the outer forespore membrane. SpoIVFA brings BofA into close proximity to SpoIVFB, allowing BofA to inhibit SpoIVFB. Increased accumulation of SpoIVFA seems to inhibit the activity of SpoIVFB and thus regulates the activation of sigma-K. (264 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)
ctpBSwarming motility protein; Involved in the signal transduction pathway leading to the proteolytic activation of the mother cell transcription factor pro- sigma-K during sporulation. The signaling serine protease CtpB triggers pro-sigma-K processing by cleaving the pre-processed regulatory protein SpoIVFA and is necessary for the proper timing of sigma-K activation. Belongs to the peptidase S41A family. (480 aa)
prsWProtease required for RsiW anti-sigma(W) degradation; Involved in the degradation of anti-sigma-W factor RsiW. Responsible for Site-1 cleavage of the RsiW anti-sigma factor. This results, after two other proteolytic steps catalyzed by the RasP and ClpXP proteases, in the release of SigW and the transcription activation of the genes under the control of the sigma-W factor. Seems to be responsible for sensing antimicrobial peptides that damage the cell membrane and other agents that cause cell envelope stress. Therefore it is a protease governing regulated intramembrane proteolysis and r [...] (218 aa)
rsePRegulator of sigma-W protease RasP; Is responsible for site-2 cleavage of the RsiW anti-sigma factor. This results, after a third proteolytic step catalyzed by the ClpXP protease, in the release of SigW and the transcription activation of the genes under the control of the sigma-W factor. Can also cleave liberated signal peptides of PenP and Mpr, probably within in the cell membrane. (422 aa)
divIVACell-division initiation protein; May act as a pilot protein, directing MinCD to the polar septation sites or by inhibiting MinCD at the midcell site of division. Required for polar localization of the chromosome during sporulation. (164 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)
fabFBeta-ketoacyl-acyl carrier protein synthase II; 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. (413 aa)
fabHABeta-ketoacyl-acyl carrier protein synthase III 1; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Has some substrate specificity for branched chain acyl-CoA, determining the biosynthesis of branched-chain of fatty acids instead of straight-chain. (312 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)
pbpCPenicillin-binding lipoprotein 3; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type lp: lipoprotein. (668 aa)
rsiWanti-sigma(W) factor; The anti-sigma factor for extracytoplasmic function (ECF) sigma factor sigma-W (SigW). Holds SigW, its cognate ECF sigma factor, in an inactive form until released by regulated intramembrane proteolysis (RIP). SigW and RsiW mediate cell response to cell wall stress. RIP occurs when an extracytoplasmic signal triggers a concerted proteolytic cascade to transmit information and elicit cellular responses. The membrane-spanning regulatory substrate protein is first cut periplasmically (site-1 protease, S1P, PrsW) , then within the membrane itself (site-2 protease, S2P [...] (208 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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