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pqsC pqsC mexR mexR mexA mexA mexB mexB oprM oprM oprD oprD pqsA pqsA pqsB pqsB pqsD pqsD pqsE pqsE phnA phnA aprA aprA lasR lasR lasI lasI PA1656 PA1656 PA1657 PA1657 PA1658 PA1658 PA1659 PA1659 PA1660 PA1660 PA1661 PA1661 PA1662 PA1662 PA1663 PA1663 PA1665 PA1665 hcnA hcnA hcnB hcnB hcnC hcnC fpvA fpvA gyrA gyrA rhlI rhlI rhlR rhlR rhlA rhlA nalD nalD nalC nalC exoS exoS pqsL pqsL phzM phzM uvrA uvrA folP folP glnE glnE PA5245 PA5245
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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
filled nodes:
a 3D structure is known or predicted
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experimentally determined
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pqsCPqsC; Required for the biosynthesis of the quorum-sensing signaling molecules 2-heptyl-4(1H)-quinolone (HHQ) and 2-heptyl-3-hydroxy-4(1H)- quinolone (Pseudomonas quinolone signal or PQS), which are important for biofilm formation and virulence. The PqsC/PqsB complex catalyzes the condensation of 2-aminobenzoylacetate (2-ABA) and octanoyl-CoA to form HHQ. First, PqsC acquires an octanoyl group from octanoyl-CoA and forms an octanoyl-PqsC intermediate. Then, together with PqsB, it catalyzes the coupling of 2-ABA with the octanoate group, leading to decarboxylation and dehydration, and re [...] (348 aa)
mexRMultidrug resistance operon repressor MexR; Repressor of the mexAB-oprM multidrug resistance operon. Also represses its own expression. Many variants lead to increased expression of the mexAB-oprM operon. (147 aa)
mexAResistance-Nodulation-Cell Division (RND) multidrug efflux membrane fusion protein MexA precursor; The periplasmic linker component of the MexAB-OprM efflux system that confers multidrug resistance. Also functions as the major efflux pump for n-hexane and p-xylene efflux. Over-expression of the pump increases antibiotic and solvent efflux capacities. Required for assembly of the MexA/MexB/OprM complex. Implicated in the secretion of the siderophore pyoverdine; Belongs to the membrane fusion protein (MFP) (TC 8.A.1) family. (383 aa)
mexBResistance-Nodulation-Cell Division (RND) multidrug efflux transporter MexB; The inner membrane transporter component of the MexAB-OprM efflux system that confers multidrug resistance. Also functions as the major efflux pump for n-hexane and p-xylene efflux. Over-expression of the pump increases antibiotic and solvent efflux capacities. Implicated in the secretion of the siderophore pyoverdine; Belongs to the resistance-nodulation-cell division (RND) (TC 2.A.6) family. (1046 aa)
oprMMajor intrinsic multiple antibiotic resistance efflux outer membrane protein OprM precursor; The outer membrane component of the MexAB-OprM efflux system that confers multidrug resistance. Also functions as the major efflux pump for n-hexane and p-xylene efflux. Over-expression of the pump increases antibiotic and solvent efflux capacities. Can replace the OprJ outer membrane component of the MexCD-OprJ pump; the antibiotics exported are those exported by the intact MexCD pump, showing that efflux substrate specificity is not conferred by this component. Serves as the outer membrane co [...] (485 aa)
oprDBasic amino acid, basic peptide and imipenem outer membrane porin OprD precursor; Porin with a specificity for basic amino acids. Also possesses serine protease activity; Belongs to the outer membrane porin (Opr) (TC 1.B.25) family. (443 aa)
pqsAProbable coenzyme A ligase; Catalyzes the formation of anthraniloyl-CoA, which is the priming step for entry into the Pseudomonas quinolone signal (PQS) biosynthetic pathway. Also active on a variety of aromatic substrates, including benzoate and chloro and fluoro derivatives of anthranilate. (517 aa)
pqsBPqsB; Required for the biosynthesis of the quorum-sensing signaling molecules 2-heptyl-4(1H)-quinolone (HHQ) and 2-heptyl-3-hydroxy-4(1H)- quinolone (Pseudomonas quinolone signal or PQS), which are important for biofilm formation and virulence. The PqsC/PqsB complex catalyzes the condensation of 2-aminobenzoylacetate (2-ABA) and octanoyl-CoA to form HHQ. PqsB, together with PqsC, catalyzes the coupling of 2-ABA with the octanoate group, leading to decarboxylation and dehydration, and resulting in closure of the quinoline ring. PqsB is probably required for the proper folding of PqsC ra [...] (283 aa)
pqsD3-oxoacyl-[acyl-carrier-protein] synthase III; Required for the biosynthesis of a number of signaling molecules, such as the quinolone signal 2-heptyl-3-hydroxy-4(1H)- quinolone (PQS), 2-heptyl-4-hydroxyquinoline (HHQ) and 2,4- dihydroxyquinoline (DHQ). These molecules are required for normal biofilm formation. Catalyzes the transfer of the anthraniloyl moiety from anthraniloyl-CoA to malonyl-CoA to form 2-aminobenzoylacetyl-CoA. The first step of the reaction is the formation of a covalent anthraniloyl-PqsD intermediate. Next, the short-lived intermediate 3-(2-aminophenyl)- 3-oxopropa [...] (337 aa)
pqsEQuinolone signal response protein; Required for the biosynthesis of the quorum-sensing signaling molecules 2-heptyl-4(1H)-quinolone (HHQ) and 2-heptyl-3-hydroxy-4(1H)- quinolone (Pseudomonas quinolone signal or PQS), which are important for biofilm formation and virulence. Catalyzes the hydrolysis of the intermediate 2-aminobenzoylacetyl-CoA (2-ABA-CoA) to form 2- aminobenzoylacetate (2-ABA), the precursor of HHQ. In vitro, can also hydrolyze other substrates such as S-ethyl-acetothioacetate and acetoacetyl-CoA, but is inactive against anthraniloyl-CoA, malonyl-CoA and octanoyl-CoA. Be [...] (301 aa)
phnAAnthranilate synthase component I; Part of a heterotetrameric complex that catalyzes the two- step biosynthesis of anthranilate, a precursor for Pseudomonas quinolone signal (2-heptyl-3-hydroxy-4-quinolone; PQS) production which is required to induce the genes for the biosynthesis of the virulence factor pyocyanine (PCN), a characteristic blue-green phenazine pigment produced by P.aeruginosa. In the first step, the glutamine-binding beta subunit (PhnB) of anthranilate synthase (AS) provides the glutamine amidotransferase activity which generates ammonia as a substrate that, along with [...] (530 aa)
aprAAlkaline metalloproteinase precursor; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa); Belongs to the peptidase M10B family. (479 aa)
lasRTranscriptional regulator LasR; Transcriptional activator of elastase structural gene (LasB). Binds to the PAI autoinducer; Belongs to the autoinducer-regulated transcriptional regulatory protein family. (239 aa)
lasIAutoinducer synthesis protein LasI; Required for the synthesis of PAI consisting of 3-oxo-N- (tetrahydro-2-oxo-3-furanyl)-dodecanamide also known as N-(3- oxododecanoyl)homoserine lactone, an autoinducer molecule which binds to LasR and thus acts in elastase biosynthesis regulation. (201 aa)
PA1656Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (518 aa)
PA1657Conserved hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (168 aa)
PA1658Conserved hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (491 aa)
PA1659Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (135 aa)
PA1660Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (526 aa)
PA1661Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (335 aa)
PA1662Probable ClpA/B-type protease; Product name confidence: Class 3 (Function proposed based on presence of conserved amino acid motif, structural feature or limited sequence similarity to an experimentally studied gene); Belongs to the ClpA/ClpB family. (877 aa)
PA1663Probable transcriptional regulator; Product name confidence: Class 3 (Function proposed based on presence of conserved amino acid motif, structural feature or limited sequence similarity to an experimentally studied gene). (503 aa)
PA1665Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (397 aa)
hcnAHydrogen cyanide synthase HcnA; A three-component membrane-bound flavoenzyme that catalyzes the formation of hydrogen cyanide, a secondary metabolite, by transfer of electrons to a cyanide-resistant branch of the aerobic respiratory chain. (104 aa)
hcnBHydrogen cyanide synthase HcnB; A three-component membrane-bound flavoenzyme that catalyzes the formation of hydrogen cyanide, a secondary metabolite, by transfer of electrons to a cyanide-resistant branch of the aerobic respiratory chain. (464 aa)
hcnCHydrogen cyanide synthase HcnC; A three-component membrane-bound flavoenzyme that catalyzes the formation of hydrogen cyanide, a secondary metabolite, by transfer of electrons to a cyanide-resistant branch of the aerobic respiratory chain. Belongs to the FAD-dependent glycerol-3-phosphate dehydrogenase family. (417 aa)
fpvAFerripyoverdine receptor; Receptor for the siderophore ferripyoverdine. (815 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. (923 aa)
rhlIAutoinducer synthesis protein RhlI; Required for the synthesis of BHL (N-butanoyl-L-homoserine lactone), and HHL (N-hexanoyl-L-homoserine lactone) autoinducer molecules which bind to RhlR and thus acts in elastase biosynthesis regulation. (201 aa)
rhlRTranscriptional regulator RhlR; Necessary for transcriptional activation of the rhlAB genes encoding the rhamnosyltransferase. It also functions as a transcriptional activator of elastase structural gene (lasB). Binds to autoinducer molecules BHL (N-butanoyl-L-homoserine lactone), and HHL (N-hexanoyl-L-homoserine lactone). (241 aa)
rhlARhamnosyltransferase chain A; Required for rhamnolipid surfactant production. Supplies the acyl moieties for rhamnolipid biosynthesis by competing with the enzymes of the type II fatty acid synthase (FASII) cycle for the beta-hydroxyacyl-acyl carrier protein (ACP) pathway intermediates. Catalyzes the formation of one molecule of beta-hydroxydecanoyl-beta-hydroxydecanoate from two molecules of beta- hydroxydecanoyl-ACP. Is the only enzyme required to generate the lipid component of rhamnolipid. In vitro results establish that RhlA is highly selective for 10-carbon acyl-ACP intermediates [...] (295 aa)
nalDNalD; Product name confidence: Class 1: Function experimentally demonstrated in P. aeruginosa. (212 aa)
nalCNalC; Product name confidence: Class 1: Function experimentally demonstrated in P. aeruginosa. (213 aa)
exoSExoenzyme S; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa). (453 aa)
pqsLProbable FAD-dependent monooxygenase; Product name confidence: Class 3 (Function proposed based on presence of conserved amino acid motif, structural feature or limited sequence similarity to an experimentally studied gene). (398 aa)
phzMProbable phenazine-specific methyltransferase; Involved in the biosynthesis of pyocyanine, a blue-pigmented phenazine derivative, which plays a role in virulence. Converts phenazine-1-carboxylate (PCA) to 5-methylphenazine-1-carboxylate (5- methyl-PCA); Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family. (334 aa)
uvrAExcinuclease ABC subunit A; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. UvrA is an ATPase and a DNA-binding protein. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. When the presence of a lesion has been verified by UvrB, the UvrA molecules dissociate. (945 aa)
folPDihydropteroate synthase; Catalyzes the condensation of para-aminobenzoate (pABA) with 6-hydroxymethyl-7,8-dihydropterin diphosphate (DHPt-PP) to form 7,8- dihydropteroate (H2Pte), the immediate precursor of folate derivatives. (283 aa)
glnEGlutamate-ammonia-ligase adenylyltransferase; Involved in the regulation of glutamine synthetase GlnA, a key enzyme in the process to assimilate ammonia. When cellular nitrogen levels are high, the C-terminal adenylyl transferase (AT) inactivates GlnA by covalent transfer of an adenylyl group from ATP to specific tyrosine residue of GlnA, thus reducing its activity. Conversely, when nitrogen levels are low, the N-terminal adenylyl removase (AR) activates GlnA by removing the adenylyl group by phosphorolysis, increasing its activity. The regulatory region of GlnE binds the signal transd [...] (982 aa)
PA5245Conserved hypothetical protein; Displays glyoxalase activity, catalyzing the conversion of glyoxal to glycolate; Belongs to the peptidase C56 family. (222 aa)
Your Current Organism:
Pseudomonas aeruginosa
NCBI taxonomy Id: 208964
Other names: P. aeruginosa PAO1, Pseudomonas aeruginosa PAO1, Pseudomonas sp. PAO1
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