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sodC sodC uspG uspG sucA sucA ybgF ybgF fiu fiu bssR bssR mukB mukB ompA ompA hspQ hspQ cspG cspG csgD csgD csgB csgB csgA csgA csgC csgC bssS bssS uspE uspE uspF uspF tehB tehB dosC dosC gadC gadC gadB gadB ydeO ydeO rsxG rsxG rsxE rsxE pstB pstB pstA pstA pstC pstC pstS pstS fadB fadB rpoB rpoB hfq hfq entA entA entE entE entC entC fepG fepG fepC fepC hha hha bolA bolA tgt tgt tsf tsf araC araC cstA cstA sdiA sdiA wcaB wcaB wcaA wcaA mglC mglC mglA mglA cirA cirA fruK fruK ompC ompC rcsB rcsB glpT glpT evgA evgA evgS evgS clpB clpB rpoS rpoS qseC qseC aaeR aaeR fis fis rpoA rpoA fusA fusA livG livG uspB uspB uspA uspA hdeB hdeB hdeA hdeA hdeD hdeD gadE gadE gadW gadW gadX gadX gadA gadA dppF dppF dppD dppD dppC dppC dppB dppB ibpA ibpA tnaC tnaC tnaA tnaA
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second shell of interactors
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proteins of unknown 3D structure
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sodCSuperoxide dismutase, Cu, Zn, periplasmic; Destroys radicals which are normally produced within the cells and which are toxic to biological systems. (173 aa)
uspGUniversal stress protein UP12; Has intrinsic autoadenylation and autophosphorylation activities, probably on Ser or Thr residues. Belongs to the universal stress protein A family. (142 aa)
sucA2-oxoglutarate decarboxylase, thiamine triphosphate-binding; 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). (933 aa)
ybgFPeriplasmic TolA-binding protein; Mediates coordination of peptidoglycan synthesis and outer membrane constriction during cell division. Promotes physical and functional coordination of the PBP1B-LpoB and Tol machines, and regulates PBP1B activity in response to Tol energy state. (263 aa)
fiuCatecholate siderophore receptor; Involved in the active transport across the outer membrane of iron complexed with catecholate siderophores such as dihydroxybenzoylserine and dihydroxybenzoate. It derives its energy for transport by interacting with the trans-periplasmic membrane protein TonB. Can also transport catechol-substituted cephalosporins. Receptor for microcins M, H47 and E492. (760 aa)
bssRRepressor of biofilm formation by indole transport regulation; Represses biofilm formation in M9C glu and LB glu media but not in M9C and LB media. Seems to act as a global regulator of several genes involved in catabolite repression and stress response and regulation of the uptake and export of signaling pathways. Could be involved the regulation of indole as well as uptake and export of AI-2 through a cAMP-dependent pathway. (127 aa)
mukBChromosome condensin MukBEF, ATPase and DNA-binding subunit; Plays a central role in chromosome condensation, segregation and cell cycle progression. Functions as a homodimer, which is essential for chromosome partition. Involved in negative DNA supercoiling in vivo, and by this means organizes and compacts chromosomes. May achieve or facilitate chromosome segregation by condensation of DNA from both sides of a centrally located replisome during cell division. Stimulates both DNA relaxation and to a lesser extent decatenation activity of topoisomerase IV. (1486 aa)
ompAOuter membrane protein A (3a;II*;G;d); With TolR probably plays a role in maintaining the position of the peptidoglycan cell wall in the periplasm (Probable). Plays a role in resistance to environmental stress, and a role in outer membrane functionality and cell shape. Non-covalently binds peptidoglycan (Probable). Acts as a porin with low permeability that allows slow penetration of small solutes. A very abundant protein, there can be up to 210,000 OmpA molecules per cell. Reconstitution in unilamellar lipid vesicles shows only about 3% of the protein is in an open conformation, whic [...] (346 aa)
hspQHeat shock protein involved in degradation of mutant DnaA; Involved in the degradation of certain denaturated proteins, including DnaA, during heat shock stress. (105 aa)
cspGHomolog of Salmonella cold shock protein; Protein involved in response to temperature stimulus. (70 aa)
csgDcsgBAC operon transcriptional regulator; The master regulator for adhesive curli fimbriae expression; necessary for transcription of the csgBAC/ymdA operon. Plays a positive role in biofilm formation. May have the capability to respond to starvation and/or high cell density by activating csgBA transcription. Low-level constitutive expression confers an adherent curli fimbriae- expressing phenotype, up-regulates 10 genes and down-regulates 14 others. (216 aa)
csgBCurlin nucleator protein, minor subunit in curli complex; Curlin is the structural subunit of the curli fimbriae. Curli are coiled surface structures that assemble preferentially at growth temperatures below 37 degrees Celsius. Curli can bind to fibronectin. The minor subunit is the nucleation component of curlin monomers. Coexpression of cellulose and thin aggregative fimbriae (curli fimbrae or fibers) leads to a hydrophobic network with tightly packed cells embedded in a highly inert matrix that confers cohesion, elasticity and tissue-like properties to colonies. Belongs to the CsgA/ [...] (151 aa)
csgACurlin subunit, amyloid curli fibers, cryptic; Curlin is the structural subunit of the curli fimbriae. Curli are coiled surface structures that assemble preferentially at growth temperatures below 37 degrees Celsius. Curli can bind to fibronectin; Belongs to the CsgA/CsgB family. (151 aa)
csgCCurli assembly protein; Plays a role in the extracellular assembly of CsgA into thin aggregative fimbriae (Tafi) fibers. Assembly may also require CsgE. Tafi are thought to be assembled via an extracellular nucleation- precipitation (ENP) pathway, and possibly also via an intracellular non-CsgC-dependent pathway (By similarity). (110 aa)
bssSBiofilm regulator; Represses biofilm formation in M9C glu and LB glu media but not in M9C and LB media. Seems to act as a global regulator of several genes involved in catabolite repression and stress response and regulation of the uptake and export of signaling pathways. Could be involved the regulation of indole as well as uptake and export of AI-2 through a cAMP-dependent pathway. (84 aa)
uspEStress-induced protein; Required for resistance to DNA-damaging agents. (316 aa)
uspFUniversal stress protein F; Pseudogene, prophage Rac integration site ttcA duplication;Phage or Prophage Related. (144 aa)
tehBTellurite, selenium methyltransferase, SAM-dependent; S-adenosyl-L-methionine dependent methyltransferase that catalyzes the methylation of tellurite and is responsible for tellurite resistance when present in high copy number. Can also methylate selenite and selenium dioxide. Is thus able to detoxify different chalcogens. Cannot methylate arsenic compounds. Belongs to the TehB family. (197 aa)
dosCDiguanylate cyclase, cold- and stationary phase-induced oxygen-dependent biofilm regulator; Globin-coupled heme-based oxygen sensor protein displaying diguanylate cyclase (DGC) activity in response to oxygen availability. Thus, catalyzes the synthesis of cyclic diguanylate (c-di-GMP) via the condensation of 2 GTP molecules. Is involved in the modulation of intracellular c-di-GMP levels, in association with DosP which catalyzes the degradation of c-di-GMP (PDE activity). Cyclic-di-GMP is a second messenger which controls cell surface-associated traits in bacteria. DosC regulates biofilm [...] (460 aa)
gadCGlutamate:gamma-aminobutyric acid antiporter; Involved in glutamate-dependent acid resistance. Imports glutamate inside the cell while simultaneously exporting to the periplasm the GABA produced by GadA and GadB. The gad system helps to maintain a near-neutral intracellular pH when cells are exposed to extremely acidic conditions. The ability to survive transit through the acidic conditions of the stomach is essential for successful colonization of the mammalian host by commensal and pathogenic bacteria; Belongs to the amino acid-polyamine-organocation (APC) superfamily. Glutamate:GABA [...] (511 aa)
gadBGlutamate decarboxylase B, PLP-dependent; Converts glutamate to gamma-aminobutyrate (GABA), consuming one intracellular proton in the reaction. The gad system helps to maintain a near-neutral intracellular pH when cells are exposed to extremely acidic conditions. The ability to survive transit through the acidic conditions of the stomach is essential for successful colonization of the mammalian host by commensal and pathogenic bacteria; Belongs to the group II decarboxylase family. (466 aa)
ydeOUV-inducible global regulator, EvgA-, GadE-dependent; Induces the expression of gadE and mdtEF. Could also regulate the expression of other genes involved in acid resistance. (253 aa)
rsxGSoxR iron-sulfur cluster reduction factor component; Part of a membrane-bound complex that couples electron transfer with translocation of ions across the membrane (By similarity). Required to maintain the reduced state of SoxR. Probably transfers electron from NAD(P)H to SoxR. Belongs to the RnfG family. (206 aa)
rsxESoxR iron-sulfur cluster reduction factor component; Part of a membrane-bound complex that couples electron transfer with translocation of ions across the membrane (By similarity). Required to maintain the reduced state of SoxR. Probably transfers electron from NAD(P)H to SoxR. (231 aa)
pstBPhosphate ABC transporter ATPase; Part of the ABC transporter complex PstSACB involved in phosphate import. Responsible for energy coupling to the transport system; Belongs to the ABC transporter superfamily. Phosphate importer (TC 3.A.1.7) family. (257 aa)
pstAPhosphate ABC transporter permease; 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. (296 aa)
pstCPhosphate ABC transporter permease; 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. (319 aa)
pstSPhosphate ABC transporter periplasmic binding protein; Part of the ABC transporter complex PstSACB involved in phosphate import; Belongs to the PstS family. (346 aa)
fadBEnoyl-CoA hydratase/Delta(3)-cis-Delta(2)-trans-enoyl-CoA isomerase/3-hydroxybutyryl-CoA epimerase; Involved in the aerobic and anaerobic degradation of long- chain fatty acids via beta-oxidation cycle. Catalyzes the formation of 3-oxoacyl-CoA from enoyl-CoA via L-3-hydroxyacyl-CoA. It can also use D-3-hydroxyacyl-CoA and cis-3-enoyl-CoA as substrate. In the C-terminal section; belongs to the 3-hydroxyacyl-CoA dehydrogenase family. (729 aa)
rpoBRNA polymerase, beta subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1342 aa)
hfqGlobal sRNA 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. Involved in the regulation of stress responses mediated by the sigma factors RpoS, sigma-E and sigma-32. Binds with high specificity to tRNAs. Binds sRNA antitoxin RalA. In vitro, stimulates synthesis of long tails by poly(A) polymerase I. Required for RNA phage Qbeta replication. Seems to play a role in persister cell formation; upon overexpression decreases pers [...] (102 aa)
entA2,3-dihydro-2,3-dihydroxybenzoate dehydrogenase; Involved in the biosynthesis of the siderophore enterobactin (enterochelin), which is a macrocyclic trimeric lactone of N-(2,3- dihydroxybenzoyl)-serine. Catalyzes the reversible NAD-dependent oxidation of the C3-hydroxyl group of 2,3-dihydro-2,3-dihydroxybenzoate (2,3-diDHB), producing the transient intermediate 2-hydroxy-3-oxo-4,6- cyclohexadiene-1-carboxylate, which undergoes rapid aromatization to the final product, 2,3-dihydroxybenzoate (2,3-DHB). Only the compounds with a C3-hydroxyl group such as methyl 2,3-dihydro-2,3- dihydroxyb [...] (248 aa)
entE2,3-dihydroxybenzoate-AMP ligase component of enterobactin synthase multienzyme complex; Involved in the biosynthesis of the siderophore enterobactin (enterochelin), which is a macrocyclic trimeric lactone of N-(2,3- dihydroxybenzoyl)-serine. The serine trilactone serves as a scaffolding for the three catechol functionalities that provide hexadentate coordination for the tightly ligated iron(2+) atoms. EntE proccesses via a two-step adenylation-ligation reaction (bi-uni-uni-bi ping-pong mechanism). First, it catalyzes the activation of the carboxylate group of 2,3-dihydroxy-benzoate (D [...] (536 aa)
entCIsochorismate synthase 1; Involved in the biosynthesis of the siderophore enterobactin (macrocyclic trimeric lactone of N-(2,3-dihydroxybenzoyl)-serine). Catalyzes the reversible conversion of chorismate to isochorismate. (391 aa)
fepGIron-enterobactin ABC transporter permease; Part of the binding-protein-dependent transport system for ferric enterobactin. Probably responsible for the translocation of the substrate across the membrane. (330 aa)
fepCFerrienterobactin ABC transporter ATPase; Part of the binding-protein-dependent transport system for ferric enterobactin. Probably responsible for energy coupling to the transport system. (271 aa)
hhaModulator of gene expression, with H-NS; Down-regulates hemolysin (hly) expression in complex with H- NS. Stimulates transposition events in vivo. Modifies the set of genes regulated by H-NS; Hha and Cnu (YdgT) increase the number of genes DNA bound by H-NS/StpA and may also modulate the oligomerization of the H-NS/StpA-complex. Binds DNA and influences DNA topology in response to environmental stimuli; does not however interact with DNA in the absence of H-NS. Involved in persister cell formation, acting downstream of mRNA interferase (toxin) MqsR. Decreases biofilm formation by repre [...] (72 aa)
bolAStationary-phase morphogene, transcriptional repressor for mreB; Transcriptional regulator that plays an important role in general stress response. Has many effects on cell morphology, cell growth and cell division. Acts by regulating the transcription of many genes, including dacA (PBP-5), dacC (PBP-6), ampC and mreB. Probably involved in the coordination of genes that adapt the cell physiology in order to enhance cell adaptation and survival under stress conditions. Essential for normal cell morphology in stationary phase and under conditions of starvation. Also regulates a complex n [...] (105 aa)
tgttRNA-guanine transglycosylase; Catalyzes the base-exchange of a guanine (G) residue with the queuine precursor 7-aminomethyl-7-deazaguanine (PreQ1) at position 34 (anticodon wobble position) in tRNAs with GU(N) anticodons (tRNA-Asp, -Asn, -His and -Tyr). Catalysis occurs through a double-displacement mechanism. The nucleophile active site attacks the C1' of nucleotide 34 to detach the guanine base from the RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor active site deprotonates the incoming PreQ1, allowing a nucleophilic attack on the C1' of the ribose to form the [...] (375 aa)
tsfTranslation elongation factor EF-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. (Microbial infection) Promotes the tRNase activity of CdiA-CT from E.coli strain EC869 (CdiA-CT-EC869); required in vivo but less so in vitro. Probably loads charged tRNA onto EF-Tu, making more ternary GTP-EF-Tu-aa-tRNA complexes. The guanine nucleotide exchange factor capacity of this protein does not seem to be needed as no GTP hydrolysis occurs during tRNA cleavag [...] (283 aa)
araCAra regulon transcriptional activator; Transcription factor that regulates the expression of several genes involved in the transport and metabolism of L-arabinose. Functions both as a positive and a negative regulator. In the presence of arabinose, activates the expression of the araBAD, araE, araFGH and araJ promoters. In the absence of arabinose, negatively regulates the araBAD operon. Represses its own transcription. Acts by binding directly to DNA. (292 aa)
cstACarbon starvation protein involved in peptide utilization; Involved in peptide utilization during carbon starvation. (701 aa)
sdiAQuorum-sensing transcriptional activator; Activates cell division by specifically increasing transcription from one of the two promoters that lie immediately upstream of the ftsQAZ gene cluster. Activates ydiV expression in response to extracellular autoinducer AI-1 (Vibrio fischeri autoinducer oxoC6). (240 aa)
wcaBPutative transferase; Protein involved in colanic acid biosynthetic process. (162 aa)
wcaAPutative glycosyl transferase; Putative regulator; Protein involved in colanic acid biosynthetic process. (279 aa)
mglCMethyl-galactoside transporter subunit; Part of the binding-protein-dependent transport system for galactoside. Probably responsible for the translocation of the substrate across the membrane. (336 aa)
mglAMethyl-galactoside ABC transporter ATPase; Part of the ABC transporter complex MglABC involved in galactose/methyl galactoside import. Responsible for energy coupling to the transport system (Probable). (506 aa)
cirAColicin IA outer membrane receptor and translocator; Not yet known. Postulated to participate in iron transport. Outer membrane receptor for colicins IA and IB. (663 aa)
fruKFructose-1-phosphate kinase; Protein involved in glycolysis; Belongs to the carbohydrate kinase PfkB family. (312 aa)
ompCOuter membrane porin protein C; Forms pores that allow passive diffusion of small molecules across the outer membrane. (Microbial infection) A mixed OmpC-OmpF heterotrimer is the outer membrane receptor for toxin CdiA-EC536; polymorphisms in extracellular loops 4 and 5 of OmpC confer susceptibility to CdiA- EC536-mediated toxicity; Belongs to the Gram-negative porin family. (367 aa)
rcsBResponse regulator in two-component regulatory system with RcsC and YojN; Component of the Rcs signaling system, which controls transcription of numerous genes. RcsB is the response regulator that binds to regulatory DNA regions. Can function both in an RcsA-dependent or RcsA-independent manner. The system regulates expression of numerous genes, including genes involved in colanic acid capsule synthesis, biofilm formation, cell division and outer membrane proteins synthesis. Also involved, with GadE, in control of glutamate-dependent acid resistance, and, with BglJ, in derepression of [...] (216 aa)
glpTSn-glycerol-3-phosphate transporter; Responsible for glycerol-3-phosphate uptake. (452 aa)
evgAResponse regulator in two-component regulatory system with EvgS; Member of the two-component regulatory system EvgS/EvgA. Regulates the expression of emrKY operon and yfdX. Seems also to control expression of at least one other multidrug efflux operon. (204 aa)
evgSHybrid sensory histidine kinase in two-component regulatory system with EvgA; Member of the two-component regulatory system EvgS/EvgA. Phosphorylates EvgA via a four-step phosphorelay in response to environmental signals. (1197 aa)
clpBProtein disaggregation chaperone; 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. Acts before DnaK, in the processing of protein aggregates. Protein binding stimulates the ATPase activity; ATP hydrolysis unfolds the denatured protein aggregates, which probably helps expose new hydrophobic binding sites on the surface of ClpB-bound aggregates, contributing to the solubilization and refolding of denatured protein aggregates by DnaK. (857 aa)
rpoSRNA polymerase, sigma S (sigma 38) factor; 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 master transcriptional regulator of the stationary phase and the general stress response. Controls, positively or negatively, the expression of several hundred genes, which are mainly involved in metabolism, transport, regulation and stress management. (330 aa)
qseCQuorum sensing sensory histidine kinase in two-component regulatory system with QseB; Member of a two-component regulatory system QseB/QseC. Activates the flagella regulon by activating transcription of FlhDC. May activate QseB by phosphorylation. (449 aa)
aaeRTranscriptional regulator for aaeXAB operon; Activates transcription of the aaeXAB operon. (309 aa)
fisGlobal DNA-binding transcriptional dual regulator; Activates ribosomal RNA transcription, as well other genes. Plays a direct role in upstream activation of rRNA promoters. Binds to a recombinational enhancer sequence that is required to stimulate hin- mediated DNA inversion. Prevents initiation of DNA replication from oriC. Binds to hundreds of transcriptionally active and inactive AT- rich sites, approximately half its binding sites are in non-coding DNA, which only accounts for about 10% of the genome. Belongs to the transcriptional regulatory Fis family. (98 aa)
rpoARNA polymerase, alpha subunit; DNA-dependent RNA polymerase (RNAP) catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit plays an important role in subunit assembly since its dimerization is the first step in the sequential assembly of subunits to form the holoenzyme. (329 aa)
fusAProtein chain elongation factor EF-G, GTP-binding; 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; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase f [...] (704 aa)
livGBranched-chain amino acid ABC transporter ATPase; Component of the leucine-specific transport system. (255 aa)
uspBProtein involved in response to stress and xenobiotic metabolic process. (111 aa)
uspAUniversal stress global response regulator; Required for resistance to DNA-damaging agents; Belongs to the universal stress protein A family. (144 aa)
hdeBAcid-resistance protein; Required for optimal acid stress protection, which is important for survival of enteric bacteria in the acidic environment of the host stomach. Exhibits a chaperone-like activity at acidic pH by preventing the aggregation of many different periplasmic proteins. (108 aa)
hdeAStress response protein acid-resistance protein; Required for optimal acid stress protection. Exhibits a chaperone-like activity only at pH below 3 by suppressing non- specifically the aggregation of denaturated periplasmic proteins. Important for survival of enteric bacteria in the acidic environment of the host stomach. Also promotes the solubilization at neutral pH of proteins that had aggregated in their presence at acidic pHs. May cooperate with other periplasmic chaperones such as DegP and SurA. (110 aa)
hdeDAcid-resistance membrane protein. (190 aa)
gadEGad regulon transcriptional activator; Regulates the expression of several genes involved in acid resistance. Required for the expression of gadA and gadBC, among others, regardless of media or growth conditions. Binds directly to the 20 bp GAD box found in the control regions of both loci. (175 aa)
gadWTranscriptional activator of gadA and gadBC; Depending on the conditions (growth phase and medium), acts as a positive or negative regulator of gadA and gadBC. Repression occurs directly or via the repression of the expression of gadX. Activation occurs directly by the binding of GadW to the gadA and gadBC promoters. (242 aa)
gadXAcid resistance regulon transcriptional activator; Positively regulates the expression of about fifteen genes involved in acid resistance such as gadA, gadB and gadC. Depending on the conditions (growth phase and medium), can repress gadW. (274 aa)
gadAGlutamate decarboxylase A, PLP-dependent; Converts glutamate to gamma-aminobutyrate (GABA), consuming one intracellular proton in the reaction. The gad system helps to maintain a near-neutral intracellular pH when cells are exposed to extremely acidic conditions. The ability to survive transit through the acidic conditions of the stomach is essential for successful colonization of the mammalian host by commensal and pathogenic bacteria. (466 aa)
dppFDipeptide/heme ABC transporter ATPas; Part of the binding-protein-dependent transport system for dipeptides. Probably responsible for energy coupling to the transport system; Belongs to the ABC transporter superfamily. (334 aa)
dppDDipeptide/heme ABC transporter ATPas; Part of the binding-protein-dependent transport system for dipeptides. Probably responsible for energy coupling to the transport system. (327 aa)
dppCDipeptide/heme ABC transporter permease; Part of the binding-protein-dependent transport system for dipeptides; probably responsible for the translocation of the substrate across the membrane; Belongs to the binding-protein-dependent transport system permease family. OppBC subfamily. (300 aa)
dppBDipeptide/heme ABC transporter permease; Part of the binding-protein-dependent transport system for dipeptides; probably responsible for the translocation of the substrate across the membrane; Belongs to the binding-protein-dependent transport system permease family. OppBC subfamily. (339 aa)
ibpAHeat shock chaperone; Associates with aggregated proteins, together with IbpB, to stabilize and protect them from irreversible denaturation and extensive proteolysis during heat shock and oxidative stress. Aggregated proteins bound to the IbpAB complex are more efficiently refolded and reactivated by the ATP-dependent chaperone systems ClpB and DnaK/DnaJ/GrpE. Its activity is ATP-independent. (137 aa)
tnaCTryptophanase leader peptide; Required for tryptophan-regulated expression of the tna operon. In the presence of free L-Trp release of this nascent peptide by release factor 2 is inhibited and the ribosome stalls with the last amino acid in the P site and a UGA stop codon in the A site. This prevent transcripiton termination factor Rho binding, and thus allows transcription and translation of TnaA and TnaB. (24 aa)
tnaAtryptophanase/L-cysteine desulfhydrase, PLP-dependent; Tryptophanase; Protein involved in cellular amino acid catabolic process; Belongs to the beta-eliminating lyase family. (471 aa)
Your Current Organism:
Escherichia coli K12
NCBI taxonomy Id: 511145
Other names: E. coli str. K-12 substr. MG1655, Escherichia coli MG1655, Escherichia coli str. K-12 substr. MG1655, Escherichia coli str. K12 substr. MG1655, Escherichia coli str. MG1655, Escherichia coli strain MG1655
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