STRINGSTRING
tsf tsf pckA pckA opuD opuD ackA ackA polA polA tig tig yrbF yrbF greA greA lepA lepA grpE grpE dnaK dnaK dnaJ dnaJ sigA sigA lpdV lpdV zwf zwf mciZ mciZ cspD cspD odhA odhA parC parC hfq hfq luxS luxS clpY clpY topA topA rpoZ rpoZ ftsA ftsA dnaN dnaN gyrB gyrB gyrA gyrA ftsH ftsH rpoB rpoB rpoC rpoC fusA fusA tufA tufA secY secY rpoA rpoA opuAC opuAC putP putP groES groES groEL groEL treA treA acoL acoL ftsZ ftsZ oppA oppA oppD oppD pdhD pdhD yxeM yxeM pta pta fbaA fbaA secA secA pgk pgk
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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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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
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textmining
co-expression
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tsfElongation factor Ts; Associates with the EF-Tu.GDP complex and induces the exchange of GDP to GTP. It remains bound to the aminoacyl-tRNA.EF- Tu.GTP complex up to the GTP hydrolysis stage on the ribosome (By similarity); Belongs to the EF-Ts family. (293 aa)
pckAPhosphoenolpyruvate carboxykinase; Involved in the gluconeogenesis. Catalyzes the conversion of oxaloacetate (OAA) to phosphoenolpyruvate (PEP) through direct phosphoryl transfer between the nucleoside triphosphate and OAA. (527 aa)
opuDGlycine betaine transporter; High-affinity uptake of glycine betaine. Does not mediate either carnitine or choline uptake; Belongs to the BCCT transporter (TC 2.A.15) family. (512 aa)
ackAAcetate kinase; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. Appears to favor the formation of acetate. Involved in the secretion of excess carbohydrate. (395 aa)
polADNA polymerase I; In addition to polymerase activity, this DNA polymerase exhibits 3'-5' and 5'-3' exonuclease activity. (880 aa)
tigProlyl isomerase (trigger factor); Involved in protein export. Acts as a chaperone by maintaining the newly synthesized protein in an open conformation. Functions as a peptidyl-prolyl cis-trans isomerase (By similarity). Belongs to the FKBP-type PPIase family. Tig subfamily. (424 aa)
yrbFComponent of the preprotein translocase; The SecYEG-SecDF-YajC-YidC holo-translocon (HTL) protein secretase/insertase is a supercomplex required for protein secretion, insertion of proteins into membranes, and assembly of membrane protein complexes. While the SecYEG complex is essential for assembly of a number of proteins and complexes, the SecDF-YajC-YidC subcomplex facilitates these functions. (88 aa)
greATranscription elongation factor; Necessary for efficient RNA polymerase transcription elongation past template-encoded arresting sites. The arresting sites in DNA have the property of trapping a certain fraction of elongating RNA polymerases that pass through, resulting in locked ternary complexes. Cleavage of the nascent transcript by cleavage factors such as GreA or GreB allows the resumption of elongation from the new 3'terminus. GreA releases sequences of 2 to 3 nucleotides (By similarity); Belongs to the GreA/GreB family. (157 aa)
lepARibosomal elongation factor, GTPase; Required for accurate and efficient protein synthesis under certain stress conditions. May act as a fidelity factor of the translation reaction, by catalyzing a one-codon backward translocation of tRNAs on improperly translocated ribosomes. Back-translocation proceeds from a post-translocation (POST) complex to a pre- translocation (PRE) complex, thus giving elongation factor G a second chance to translocate the tRNAs correctly. Binds to ribosomes in a GTP- dependent manner. (612 aa)
grpENucleotide exchange factor for DnaK activity; 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. S [...] (187 aa)
dnaKMolecular chaperone; Acts as a chaperone; Belongs to the heat shock protein 70 family. (611 aa)
dnaJCo-factor of molecular chaperone; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins and by disaggregating proteins, also in an autonomous, DnaK-independent fashion. 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-dependent interactions betwe [...] (375 aa)
sigARNA polymerase major sigma-43 factor (sigma-A); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is the primary sigma factor during exponential growth; Belongs to the sigma-70 factor family. RpoD/SigA subfamily. (371 aa)
lpdVBranched-chain alpha-keto acid dehydrogenase E3 subunit (dihydrolipoamide dehydrogenase); The branched-chain alpha-keto dehydrogenase complex catalyzes the overall conversion of alpha-keto acids to acyl-CoA and CO(2). It contains multiple copies of 3 enzymatic components: branched-chain alpha-keto acid decarboxylase (E1), lipoamide acyltransferase (E2) and lipoamide dehydrogenase (E3); Belongs to the class-I pyridine nucleotide-disulfide oxidoreductase family. (474 aa)
zwfGlucose-6-phosphate 1-dehydrogenase; Catalyzes the oxidation of glucose 6-phosphate to 6- phosphogluconolactone. (489 aa)
mciZCell division factor; Blocks Z-ring formation in the mother cell during sporulation by inhibiting the polymerization of FtsZ. Binds to the minus end of FtsZ and functions as a filament-capping protein. At high concentrations, is capable of both capping and sequestration of FtsZ. Decreases the GTPase activity of FtsZ. (40 aa)
cspDCold-shock protein, molecular chaperone, RNA-helicase co-factor; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type f: factor. (66 aa)
odhA2-oxoglutarate dehydrogenase (E1 subunit); E1 component of the 2-oxoglutarate dehydrogenase (OGDH) complex which catalyzes the decarboxylation of 2-oxoglutarate, the first step in the conversion of 2-oxoglutarate to succinyl-CoA and CO(2). (944 aa)
parCSubunit A of DNA topoisomerase IV; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase GyrA/ParC subunit family. ParC type 2 subfamily. (806 aa)
hfqHfq RNA chaperone; RNA chaperone that binds small regulatory RNA (sRNAs) and mRNAs to facilitate mRNA translational regulation in response to envelope stress, environmental stress and changes in metabolite concentrations. Also binds with high specificity to tRNAs. Belongs to the Hfq family. (73 aa)
luxSS-ribosylhomocysteine lyase; Involved in the synthesis of autoinducer 2 (AI-2) which is secreted by bacteria and is used to communicate both the cell density and the metabolic potential of the environment. The regulation of gene expression in response to changes in cell density is called quorum sensing. Catalyzes the transformation of S-ribosylhomocysteine (RHC) to homocysteine (HC) and 4,5-dihydroxy-2,3-pentadione (DPD); Belongs to the LuxS family. (157 aa)
clpYTwo-component ATP-dependent protease (ATPase and chaperone); ATPase subunit of a proteasome-like degradation complex; this subunit has chaperone activity; Belongs to the ClpX chaperone family. HslU subfamily. (467 aa)
topADNA topoisomerase I; Releases the supercoiling and torsional tension of DNA, which is introduced during the DNA replication and transcription, by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA- (5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand then undergoes passage around the unbroken strand, thus removing DNA supe [...] (691 aa)
rpoZOmega subunit of RNA polymerase; Promotes RNA polymerase assembly. Latches the N- and C- terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits (By similarity). (67 aa)
ftsACell-division protein essential fo Z-ring assembly; Cell division protein that is required for the assembly of the Z ring. May serve as a membrane anchor for the Z ring (By similarity). Binds and hydrolyzes ATP. Also involved in sporulation (Probable). Belongs to the FtsA/MreB family. (440 aa)
dnaNDNA polymerase III (beta subunit); Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation o [...] (378 aa)
gyrBDNA gyrase (subunit B); 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. (638 aa)
gyrADNA gyrase (subunit A); 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. (821 aa)
ftsHCell-division protein and general stress protein (class III heat-shock); Acts as a processive, ATP-dependent zinc metallopeptidase for both cytoplasmic and membrane proteins. Plays a role in the quality control of integral membrane proteins; In the central section; belongs to the AAA ATPase family. (637 aa)
rpoBRNA polymerase (beta subunit); DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1193 aa)
rpoCRNA polymerase (beta' subunit); DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1199 aa)
fusAElongation factor G; Catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post-translocational (POST) state as the newly formed A-site-bound peptidyl-tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome (By similarity). (692 aa)
tufAElongation factor Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (396 aa)
secYPreprotein translocase subunit; The central subunit of the protein translocation channel SecYEG. Consists of two halves formed by TMs 1-5 and 6-10. These two domains form a lateral gate at the front which open onto the bilayer between TMs 2 and 7, and are clamped together by SecE at the back. The channel is closed by both a pore ring composed of hydrophobic SecY resides and a short helix (helix 2A) on the extracellular side of the membrane which forms a plug. The plug probably moves laterally to allow the channel to open. The ring and the pore may move independently. (431 aa)
rpoARNA polymerase (alpha subunit); DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (314 aa)
opuACGlycine betaine ABC transporter (glycine betaine-binding lipoprotein); Involved in a multicomponent binding-protein-dependent transport system for glycine betaine. (293 aa)
putPProline permease; Catalyzes the high-affinity uptake of extracellular proline. Important for the use of proline as a sole carbon and energy source or a sole nitrogen source. (473 aa)
groESChaperonin small subunit; Binds to Cpn60 in the presence of Mg-ATP and suppresses the ATPase activity of the latter; Belongs to the GroES chaperonin family. (94 aa)
groELChaperonin large subunit; Prevents misfolding and promotes the refolding and proper assembly of unfolded polypeptides generated under stress conditions. (544 aa)
treATrehalose-6-phosphate hydrolase; Hydrolyzes trehalose-6-phosphate to glucose and glucose 6- phosphate. Can also very effectively hydrolyzes p-nitrophenyl-alpha-D- glucopyranoside, but not lactose, maltose, sucrose or sucrose-6- phosphate. Trehalose is also hydrolyzed, but to a much smaller extent than trehalose-6-phosphate; Belongs to the glycosyl hydrolase 13 family. (561 aa)
acoLAcetoin dehydrogenase E3 component (dihydrolipoamide dehydrogenase); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the class-I pyridine nucleotide-disulfide oxidoreductase family. (458 aa)
ftsZCell-division initiation protein; Essential cell division protein that forms a contractile ring structure (Z ring) at the future cell division site. The regulation of the ring assembly controls the timing and the location of cell division. One of the functions of the FtsZ ring is to recruit other cell division proteins to the septum to produce a new cell wall between the dividing cells. Binds GTP and shows GTPase activity. (382 aa)
oppAOligopeptide ABC transporter (binding lipoprotein); This protein is a component of the oligopeptide permease, a binding protein-dependent transport system, It binds peptides up to five amino acids long with high affinity. Also required for sporulation and competence. (545 aa)
oppDOligopeptide ABC transporter (ATP-binding protein); Part of the binding protein-dependent transport system for oligopeptides. Probably responsible for energy coupling to the transport system. Required for sporulation and competence. (358 aa)
pdhDDihydrolipoyl dehydrogenase; Catalyzes the oxidation of dihydrolipoamide to lipoamide; Belongs to the class-I pyridine nucleotide-disulfide oxidoreductase family. (470 aa)
yxeMPutative ABC transporter (binding lipoprotein); Probably part of the ABC transporter complex YxeMNO that could be involved in amino-acid import. May transport S-methylcysteine; Belongs to the bacterial solute-binding protein 3 family. (264 aa)
ptaPhosphotransacetylase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (323 aa)
fbaAFructose-1,6-bisphosphate aldolase; Catalyzes the aldol condensation of dihydroxyacetone phosphate (DHAP or glycerone-phosphate) with glyceraldehyde 3-phosphate (G3P) to form fructose 1,6-bisphosphate (FBP) in gluconeogenesis and the reverse reaction in glycolysis. (285 aa)
secATranslocase binding subunit (ATPase); 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. (841 aa)
pgkPhosphoglycerate kinase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the phosphoglycerate kinase family. (394 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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