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rmlB rmlB rmlA rmlA rmlC rmlC pqsH pqsH phzH phzH hcp1 hcp1 cbpD cbpD pqsA pqsA pqsB pqsB pqsC pqsC pqsD pqsD pqsE pqsE phnA phnA phnB phnB nadA nadA PA1131 PA1131 PA1203 PA1203 aprA aprA lasR lasR rsaL rsaL lasI lasI lasA lasA qscR qscR phzA2 phzA2 phzD2 phzD2 metE metE PA2069 PA2069 PA2274 PA2274 chiC chiC PA2384 PA2384 pvdQ pvdQ pvdA pvdA PA2411 PA2411 pvdS pvdS bexR bexR catA catA lecA lecA qteE qteE eco eco msrB msrB PA2828 PA2828 fabV fabV clpP2 clpP2 PA3329 PA3329 lecB lecB nosR nosR rhlI rhlI rhlR rhlR rhlA rhlA rhl rhl pqsL pqsL mexG mexG opmD opmD phzM phzM pchR pchR pchA pchA
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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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empty nodes:
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
protein homology
Your Input:
rmlBdTDP-D-glucose 4,6-dehydratase; Product name confidence: Class 2 (High similarity to functionally studied protein); Belongs to the NAD(P)-dependent epimerase/dehydratase family. dTDP-glucose dehydratase subfamily. (352 aa)
rmlAGlucose-1-phosphate thymidylyltransferase; Catalyzes the formation of dTDP-glucose, from dTTP and glucose 1-phosphate, as well as its pyrophosphorolysis. Belongs to the glucose-1-phosphate thymidylyltransferase family. (293 aa)
rmlCdTDP-4-dehydrorhamnose 3,5-epimerase; Catalyzes the epimerization of the C3' and C5'positions of dTDP-6-deoxy-D-xylo-4-hexulose, forming dTDP-6-deoxy-L-lyxo-4-hexulose. (181 aa)
pqsHProbable FAD-dependent monooxygenase; Involved in the terminal step of the biosynthesis of quinolone which in addition to serve as a potent signal for quorum sensing, chelates iron and promotes the formation of membrane vesicles (MVs). Catalyzes the hydroxylation of 2-heptyl-4-quinolone (C7-HHQ) to yield 2-heptyl-3-hydroxy-4-quinolone (PQS). Belongs to the 3-hydroxybenzoate 6-hydroxylase family. (382 aa)
phzHPotential phenazine-modifying enzyme; Product name confidence: Class 2 (High similarity to functionally studied protein). (610 aa)
hcp1Hcp1; Required for assembly of the protein secretion apparatus HSI- I. Actively secreted during chronic infection of cystic fibrosis patients; Belongs to the hcp1 family. (162 aa)
cbpDChitin-binding protein CbpD precursor; Binds chitin but does not hydrolyze it, has no detectable protease or staphylolytic activity. (389 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)
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)
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)
phnBAnthranilate synthase component II; 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 [...] (200 aa)
nadAQuinolinate synthetase A; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate; Belongs to the quinolinate synthase A family. Type 1 subfamily. (352 aa)
PA1131Probable major facilitator superfamily (MFS) transporter; 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). (422 aa)
PA1203Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (135 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)
rsaLRegulatory protein RsaL; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa). (80 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)
lasALasA protease precursor; Involved in proteolysis and elastolysis (degradation of the host protein elastin). Has staphylolytic activity (degrades pentaglycine cross-links in cell wall peptidogylcan), preferring Gly- Gly-|-X substrates where X is Ala or Gly. Enhances the elastolytic but not proteolytic activity of elastase (lasB) and elastolytic activity of other proteases. Degradation of host elastin is likely to contribute to the pathogenicity of P.aeruginosa. While either His-317 or His-356 can abstract a proton in the hydrolysis reaction, the same residue performs both functions in a [...] (418 aa)
qscRQuorum-sensing control repressor; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa). (237 aa)
phzA2Probable phenazine biosynthesis protein; Involved in the biosynthesis of the antibiotic phenazine, a nitrogen-containing heterocyclic molecule having important roles in virulence, competition and biological control. PhzA2 (operon phzA2B2C2E2F2G2) has a role in the biosynthesis of the phenazine during both planktonic growth and biofilm development, and in host infection during biofilm development. (162 aa)
phzD2Phenazine biosynthesis protein PhzD; Involved in the biosynthesis of the antibiotic phenazine, a nitrogen-containing heterocyclic molecule. PhzD1 (operon phzA1B1C1E1F1G1) has a role in the biosynthesis of the phenazine during planktonic growth. Catalyzes the hydrolysis of the vinyl ether functional group of 2-amino-2-deoxyisochorismate (ADIC), yielding pyruvate and trans-2,3-dihydro-3-hydroxyanthranilic acid (DHHA). Also able to act on isochorismate, chorismate and 4-amino-4-deoxychorismate (ADC) as substrates ; Belongs to the isochorismatase family. (207 aa)
metE5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. (766 aa)
PA2069Probable carbamoyl transferase; 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). (574 aa)
PA2274Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (125 aa)
chiCChitinase; Product name confidence: Class 2 (High similarity to functionally studied protein); Belongs to the glycosyl hydrolase 18 family. (483 aa)
PA2384Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (107 aa)
pvdQ3-oxo-C12-homoserine lactone acylase PvdQ; Catalyzes the deacylation of acyl-homoserine lactone (AHL or acyl-HSL), releasing homoserine lactone (HSL) and the corresponding fatty acid. Possesses a specificity for the degradation of long-chain acyl-HSLs (side chains of 11 to 14 carbons in length). Degrades 3-oxo- C12-HSL, one of the two main AHL signal molecules of P.aeruginosa, and thereby functions as a quorum quencher, inhibiting the las quorum- sensing system. Therefore, may enable P.aeruginosa to modulate its own quorum-sensing-dependent pathogenic potential. Also appears to be requ [...] (762 aa)
pvdAL-ornithine N5-oxygenase; Catalyzes the conversion of L-ornithine to N(5)- hydroxyornithine, the first step in the biosynthesis of all hydroxamate-containing siderophores, such as pyoverdin. Pyoverdin is a hydroxamate siderophore composed of a 6,7-dihydroxyquinoline-containing fluorescent chromophore joined to the N-terminus of a partly cyclic octapeptide (D-Ser-L-Arg-D-Ser-L-N(5)-OH-Orn-L-Lys-L-N(5)-OH-Orn-L-Thr- L-Thr in strain PAO1). Specific for NADPH, which plays a role in stabilization of the C4a-hydroperoxyflavin intermediate. (443 aa)
PA2411Probable thioesterase; 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). (254 aa)
pvdSSigma factor PvdS; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa); Belongs to the sigma-70 factor family. ECF subfamily. (187 aa)
bexRBistable expression regulator, BexR; Product name confidence: Class 1: Function experimentally demonstrated in P. aeruginosa; Belongs to the LysR transcriptional regulatory family. (304 aa)
catACatechol 1,2-dioxygenase; Product name confidence: Class 2 (High similarity to functionally studied protein). (310 aa)
lecALecA; D-galactose specific lectin. Binds in decreasing order of affinity: melibiose, methyl-alpha-D-galactoside, D-galactose, methyl- beta-D-galactoside, N-acetyl-D-galactosamine. Similar to plant lectins in its selective (carbohydrate-specific) hemagglutinating activity; Belongs to the LecA/PllA lectin family. (122 aa)
qteEQuorum threshold expression element, QteE; Product name confidence: Class 1: Function experimentally demonstrated in P. aeruginosa. (190 aa)
ecoEcotin precursor; General inhibitor of family S1 serine proteases. (156 aa)
msrBConserved hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences); Belongs to the MsrB Met sulfoxide reductase family. (132 aa)
PA2828Probable aminotransferase; 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). (403 aa)
fabVHypothetical protein; Involved in the final reduction of the elongation cycle of fatty acid synthesis (FAS II). Catalyzes the reduction of a carbon- carbon double bond in an enoyl moiety that is covalently linked to an acyl carrier protein (ACP). It can use both crotonyl-CoA and trans-2- decenoyl-ACP. It is able to convert trans-2-enoyl-ACP of different length (C2 to C16) to the corresponding acyl-ACP. Belongs to the TER reductase family. (398 aa)
clpP2Probable Clp-family ATP-dependent protease; Cleaves peptides in various proteins in a process that requires ATP hydrolysis. Has a chymotrypsin-like activity. Plays a major role in the degradation of misfolded proteins. Belongs to the peptidase S14 family. (201 aa)
PA3329Hypothetical protein; Product name confidence: Class 4 (Homologs of previously reported genes of unknown function, or no similarity to any previously reported sequences). (442 aa)
lecBFucose-binding lectin PA-IIL; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa). (115 aa)
nosRRegulatory protein NosR; Transcriptional activator of the nitrous-oxide reductase gene NosZ. (715 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)
rhlATP-dependent RNA helicase RhlB; DEAD-box RNA helicase involved in RNA degradation. Has RNA- dependent ATPase activity and unwinds double-stranded RNA. Belongs to the DEAD box helicase family. RhlB subfamily. (397 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)
mexGHypothetical protein; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa). (148 aa)
opmDProbable outer membrane protein precursor; Product name confidence: Class 1 (Function experimentally demonstrated in P. aeruginosa). (487 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)
pchRTranscriptional regulator PchR; Positive activator of the genes for pyochelin and ferripyochelin receptors. (296 aa)
pchASalicylate biosynthesis isochorismate synthase; Involved in the conversion of chorismate to salicylate. (476 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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