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| | yrbI | Putative protein of HAD superfamily; Catalyzes the hydrolysis of 3-deoxy-D-manno-octulosonate 8- phosphate (KDO 8-P) to 3-deoxy-D-manno-octulosonate (KDO) and inorganic phosphate; Belongs to the KdsC family. (188 aa) |
| | yrbH | Putative polysialic acid capsule expression protein; Involved in the biosynthesis of 3-deoxy-D-manno-octulosonate (KDO), a unique 8-carbon sugar component of lipopolysaccharides (LPSs). Catalyzes the reversible aldol-ketol isomerization between D-ribulose 5-phosphate (Ru5P) and D-arabinose 5-phosphate (A5P) (By similarity). (328 aa) |
| | ispB | Similar to E. coli octaprenyl diphosphate synthase (AAC76219.1); Blastp hit to AAC76219.1 (323 aa), 95% identity in aa 1 - 323; Belongs to the FPP/GGPP synthase family. (323 aa) |
| | tdcB | Threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. TdcB also dehydrates serine to yield pyruv [...] (329 aa) |
| | tdcD | Propionate kinase; Catalyzes the conversion of propionyl phosphate and ADP to propionate and ATP. It can also use acetyl phosphate as phosphate group acceptor; Belongs to the acetokinase family. TdcD subfamily. (402 aa) |
| | fadH | 2,4-dieonyl-coa reductase; Similar to E. coli putative NADPH dehydrogenase (AAC76116.1); Blastp hit to AAC76116.1 (672 aa), 85% identity in aa 1 - 672. (672 aa) |
| | ygiH | Putative inner membrane protein; Catalyzes the transfer of an acyl group from acyl-ACP to glycerol-3-phosphate (G3P) to form lysophosphatidic acid (LPA). This enzyme can also utilize acyl-CoA as fatty acyl donor, but not acyl- PO(4); Belongs to the PlsY family. (203 aa) |
| | rfaE | Putative sugar nucleotide transferase domain of ADP-L-glycero-D-manno-heptose synthase; Catalyzes the phosphorylation of D-glycero-D-manno-heptose 7- phosphate at the C-1 position to selectively form D-glycero-beta-D- manno-heptose-1,7-bisphosphate; In the N-terminal section; belongs to the carbohydrate kinase PfkB family. (477 aa) |
| | ygiW | Putative outer membrane protein; Similar to E. coli orf, hypothetical protein (AAC76060.1); Blastp hit to AAC76060.1 (130 aa), 89% identity in aa 1 - 130. (130 aa) |
| | plsC | 1-acyl-sn-glycerol-3-phosphate acyltransferase; Converts lysophosphatidic acid (LPA) into phosphatidic acid by incorporating an acyl moiety at the 2 position. This enzyme can utilize either acyl-CoA or acyl-acyl-carrier-protein as the fatty acyl donor. (245 aa) |
| | STM3118 | Putative acetyl-CoA hydrolase; Similar to E. coli putative coenzyme A transferase (AAC75957.1); Blastp hit to AAC75957.1 (492 aa), 27% identity in aa 187 - 458, 24% identity in aa 8 - 169. (441 aa) |
| | idi | Isopentenyldiphosphate isomerase; Catalyzes the 1,3-allylic rearrangement of the homoallylic substrate isopentenyl (IPP) to its highly electrophilic allylic isomer, dimethylallyl diphosphate (DMAPP). (181 aa) |
| | yqeF | Putative acetyl-CoA acetyltransferase; Similar to E. coli putative acyltransferase (AAC75883.1); Blastp hit to AAC75883.1 (394 aa), 91% identity in aa 2 - 393; Belongs to the thiolase-like superfamily. Thiolase family. (392 aa) |
| | aas | 2-acylglycerophospho-ethanolamine acyl transferase; Plays a role in lysophospholipid acylation. Transfers fatty acids to the 1-position via an enzyme-bound acyl-ACP intermediate in the presence of ATP and magnesium. Its physiological function is to regenerate phosphatidylethanolamine from 2-acyl-glycero-3- phosphoethanolamine (2-acyl-GPE) formed by transacylation reactions or degradation by phospholipase A1. (719 aa) |
| | ispD | 4-phosphocytidyl-2C-methyl-D-erythritol synthase; Catalyzes the formation of 4-diphosphocytidyl-2-C-methyl-D- erythritol from CTP and 2-C-methyl-D-erythritol 4-phosphate (MEP). Belongs to the IspD/TarI cytidylyltransferase family. IspD subfamily. (236 aa) |
| | ispF | 2C-methyl-d-erythritol-2,4-cyclodiphosphate synthase; Involved in the biosynthesis of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP), two major building blocks of isoprenoid compounds. Catalyzes the conversion of 4-diphosphocytidyl-2- C-methyl-D-erythritol 2-phosphate (CDP-ME2P) to 2-C-methyl-D-erythritol 2,4-cyclodiphosphate (ME-CPP) with a corresponding release of cytidine 5-monophosphate (CMP) (By similarity). (159 aa) |
| | iacP | Putative acyl carrier protein; Acyl carrier protein. (82 aa) |
| | gutQ | Putative polysialic acid capsule expression protein; Catalyzes the reversible aldol-ketol isomerization between D- ribulose 5-phosphate (Ru5P) and D-arabinose 5-phosphate (A5P). It is also able of sustaining the biosynthetic pathway of 3-deoxy-D-manno- octulosonate (KDO), a unique 8-carbon sugar component of lipopolysaccharides (LPSs) (By similarity). (308 aa) |
| | pssA | Phosphatidylserine synthase; CDP-diacylglycerol-serine O-phosphatidyltransferase; similar to E. coli phosphatidylserine synthase; phospholipid synthesis (AAC75638.1); Blastp hit to AAC75638.1 (452 aa), 93% identity in aa 2 - 452. (451 aa) |
| | acpS | Holo-[acyl-carrier-protein] synthase, subunit; Transfers the 4'-phosphopantetheine moiety from coenzyme A to a Ser of acyl-carrier-protein. (126 aa) |
| | suhB | Inositol monophosphatase; Similar to E. coli enhances synthesis of sigma32 in mutant; extragenic suppressor, may modulate RNAse III lethal action (AAC75586.1); Blastp hit to AAC75586.1 (267 aa), 97% identity in aa 1 - 267; Belongs to the inositol monophosphatase superfamily. (267 aa) |
| | gcpE | Putative protein; Converts 2C-methyl-D-erythritol 2,4-cyclodiphosphate (ME- 2,4cPP) into 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate. Belongs to the IspG family. (372 aa) |
| | ddg | Cold shock-induced palmitoleoyl transferase; Catalyzes the transfer of palmitoleate from palmitoleoyl-acyl carrier protein (ACP) to Kdo(2)-lipid IV(A) to form Kdo(2)- (palmitoleoyl)-lipid IV(A); Belongs to the LpxL/LpxM/LpxP family. LpxP subfamily. (306 aa) |
| | yfcY | Putative acetyl-CoA acetyltransferase; Catalyzes the final step of fatty acid oxidation in which acetyl-CoA is released and the CoA ester of a fatty acid two carbons shorter is formed. (436 aa) |
| | yfcX | Putative dehydrogenase; Catalyzes the formation of a hydroxyacyl-CoA by addition of water on enoyl-CoA. Also exhibits 3-hydroxyacyl-CoA epimerase and 3- hydroxyacyl-CoA dehydrogenase activities; In the N-terminal section; belongs to the enoyl-CoA hydratase/isomerase family. (715 aa) |
| | fabB | Similar to E. coli 3-oxoacyl-[acyl-carrier-protein] synthase I (AAC75383.1); Blastp hit to AAC75383.1 (406 aa), 96% identity in aa 1 - 404; Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP synthases family. (404 aa) |
| | accD | acetylCoA carboxylase, beta subunit; Component of the acetyl coenzyme A carboxylase (ACC) complex. Biotin carboxylase (BC) catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the transcarboxylase to acetyl-CoA to form malonyl-CoA; Belongs to the AccD/PCCB family. (304 aa) |
| | arnF | Putative inner membrane protein; Translocates 4-amino-4-deoxy-L-arabinose-phosphoundecaprenol (alpha-L-Ara4N-phosphoundecaprenol) from the cytoplasmic to the periplasmic side of the inner membrane. (125 aa) |
| | arnE | Putative inner membrane protein; Translocates 4-amino-4-deoxy-L-arabinose-phosphoundecaprenol (alpha-L-Ara4N-phosphoundecaprenol) from the cytoplasmic to the periplasmic side of the inner membrane; Belongs to the ArnE family. (111 aa) |
| | pqaB | Putative melittin resistance protein; Catalyzes the transfer of the L-Ara4N moiety of the glycolipid undecaprenyl phosphate-alpha-L-Ara4N to lipid A. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides. Belongs to the glycosyltransferase 83 family. (548 aa) |
| | arnD | Putative cytoplasmic protein; Catalyzes the deformylation of 4-deoxy-4-formamido-L- arabinose-phosphoundecaprenol to 4-amino-4-deoxy-L-arabinose- phosphoundecaprenol. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides (Probable). (299 aa) |
| | yfbG | Putative transformylase; Bifunctional enzyme that catalyzes the oxidative decarboxylation of UDP-glucuronic acid (UDP-GlcUA) to UDP-4-keto- arabinose (UDP-Ara4O) and the addition of a formyl group to UDP-4- amino-4-deoxy-L-arabinose (UDP-L-Ara4N) to form UDP-L-4-formamido- arabinose (UDP-L-Ara4FN). The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides (By similarity); In the N-terminal section; belongs to the Fmt family. UDP- L-Ara4N formyltransferase subfamily. (660 aa) |
| | pmrF | Putative glycosyl transferase; Catalyzes the transfer of 4-deoxy-4-formamido-L-arabinose from UDP to undecaprenyl phosphate. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides. Plays an important role in pathogenesis by providing resistance to antimicrobial peptides within macrophages or at other anatomic sites encountered during infection. Belongs to the glycosyltransferase 2 family. (327 aa) |
| | yfbE | Putative DegT/DnrJ/EryC1/StrS family; Catalyzes the conversion of UDP-4-keto-arabinose (UDP-Ara4O) to UDP-4-amino-4-deoxy-L-arabinose (UDP-L-Ara4N). The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides (By similarity); Belongs to the DegT/DnrJ/EryC1 family. ArnB subfamily. (385 aa) |
| | ais | Aluminum inducible protein; Catalyzes the dephosphorylation of heptose(II) of the outer membrane lipopolysaccharide core. Required for iron(3+) resistance. Belongs to the phosphoglycerate mutase family. Ais subfamily. (201 aa) |
| | oafA | Acetylation of the O-antigen (LPS); O-antigen five:. (609 aa) |
| | yeiU | Putative permease; Involved in the modification of the lipid A domain of lipopolysaccharides (LPS). Transfers a phosphate group from undecaprenyl pyrophosphate (C55-PP) to lipid A to form lipid A 1- diphosphate. Contributes to the recycling of undecaprenyl phosphate (C55-P); Belongs to the LpxT phosphotransferase family. (239 aa) |
| | yegS | Putative diacylglycerol kinase catalytic domain containing protein; In vitro does not phosphorylate diacylglycerol, sphingosine, N,N-dimethylsphingosine; threo-dihydrosphingosine, erythro- dihydrosphingosine, C2 ceramide, C6 ceramide, phosphatidylinositol or dimethylsphingosine. The potential in vivo substrate is unknown. (299 aa) |
| | wzc | Putative tyrosine-protein kinase; Required for the extracellular polysaccharide colanic acid synthesis. The autophosphorylated form is inactive. Probably involved in the export of colanic acid from the cell to medium (By similarity). Belongs to the etk/wzc family. (719 aa) |
| | manC | Mannose-1-phosphate; Involved in the biosynthesis of the capsular polysaccharide colanic acid. (480 aa) |
| | cpsG | Phosphomannomutase; Involved in the biosynthesis of the capsular polysaccharide colanic acid; Belongs to the phosphohexose mutase family. (456 aa) |
| | wcaL | Putative glycosyl transferase; In colanic acid gene cluster; putative colanic acid biosynthesis glycosyl transferase WCAL. (SW:WCAL_SALTY). (406 aa) |
| | wcaM | Colanic acid biosynthesis protein WCAM. (SW:WCAM_SALTY). (467 aa) |
| | galF | Putative glucose-1-phosphate uridylyltransferase, non-catalytic subunit; May play a role in stationary phase survival; Belongs to the UDPGP type 2 family. (297 aa) |
| | rfbB | dTDP-glucose 4,6 dehydratase; Catalyzes the dehydration of dTDP-D-glucose to form dTDP-6- deoxy-D-xylo-4-hexulose via a three-step process involving oxidation, dehydration and reduction; Belongs to the NAD(P)-dependent epimerase/dehydratase family. dTDP-glucose dehydratase subfamily. (361 aa) |
| | rfbD | TDP-rhamnose synthetase; Involved in the biosynthesis of the dTDP-L-rhamnose which is an important component of lipopolysaccharide (LPS). Catalyzes the reduction of dTDP-6-deoxy-L-lyxo-4-hexulose to yield dTDP-L-rhamnose. RmlD uses NADH and NADPH nearly equally well. (299 aa) |
| | rfbA | dTDP-glucose pyrophosphorylase; Catalyzes the formation of dTDP-glucose, from dTTP and glucose 1-phosphate, as well as its pyrophosphorolysis. Is also able to convert non natural substrates such as a wide array of alpha-D- hexopyranosyl, deoxy-alpha-D-glucopyranosyl, aminodeoxy-alpha-D- hexopyranosyl and acetamidodeoxy-alpha-D-hexopyranosyl phosphates to their corresponding dTDP- and UDP-nucleotide sugars. (292 aa) |
| | rfbC | dTDP-4,deoxyrhamnose 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. Belongs to the dTDP-4-dehydrorhamnose 3,5-epimerase family. (183 aa) |
| | rfbI-2 | CDP-6-deoxy-delta3,4-glucoseen reductase; LPS side chain defect; RFBI protein. (SW:RFBI_SALTY). (330 aa) |
| | rfbF | Glucose-1-phosphate cytidylyltransferase; Involved in the biosynthesis of the tyvelose, a 3,6- dideoxyhexose found in the O-antigen of the surface lipopolysaccharides. It catalyzes the transfer of a CMP moiety from CTP to glucose 1-phosphate (By similarity). (257 aa) |
| | rfbG | LPS side chain defect; CDP-glucose 4,6-dehydratase. (SW:RFBG_SALTY); Belongs to the NAD(P)-dependent epimerase/dehydratase family. (359 aa) |
| | rfbH | CDP-6deoxy-D-xylo-4-hexulose-3-dehydrase; LPS side chain defect; lipopolysaccharide biosynthesis protein RFBH. (SW:RFBH_SALTY); Belongs to the DegT/DnrJ/EryC1 family. (437 aa) |
| | rfbJ | LPS side chain defect; CDP-abequose synthase. (SW:RFBJ_SALTY). (299 aa) |
| | rfbX | Putative O-antigen transferase; May be involved in the translocation process of the nascent O-polysaccharide molecules and/or its ligation to lipid A core units. (430 aa) |
| | rfbV | Abequosyltransferase; Catalyzes the transfer of CDP-abequose on D-mannosyl-L- rhamnosyl-D-galactose-1-diphospholipid to yield D-abequosyl-D-mannosyl- rhamnosyl-D-galactose-1-diphospholipid. (333 aa) |
| | rfbU | Mannosyl transferase; LPS side chain defect; RFBU protein. (SW:RFBU_SALTY). (353 aa) |
| | rfbN | LPS side chain defect: putative rhamnosyltransferase RFBN. (SW:RFBN_SALTY). (314 aa) |
| | rfbM | Mannose-1-phosphate guanylyltransferase; Involved in GDP-mannose biosynthesis which serves as the activated sugar nucleotide precursor for mannose residues in cell surface polysaccharides. This enzyme participates in synthesis of the LPS group B O antigen; Belongs to the mannose-6-phosphate isomerase type 2 family. (479 aa) |
| | rfbK | Phosphomannomutase; Involved in GDP-mannose biosynthesis which serves as the activated sugar nucleotide precursor for mannose residues in cell surface polysaccharides. This enzyme participates in synthesis of the LPS group B O antigen; Belongs to the phosphohexose mutase family. (477 aa) |
| | rfbP | Undecaprenol-phosphate galactosephosphotransferase, and; Is responsible for transferring galactose-1-phosphate to the lipid precursor undecaprenol phosphate in the first steps of O- polysaccharide biosynthesis; Belongs to the bacterial sugar transferase family. (476 aa) |
| | udg | UDP-glucose 6-dehydrogenase. (SW:UDG_SALTY). (388 aa) |
| | wzzB | Regulator of length of O-antigen component of lipopolysaccharide chains; Confers a modal distribution of chain length on the O-antigen component of lipopolysaccharide (LPS). Gives rise to a reduced number of short chain molecules and increases in numbers of longer molecules, with a modal value of 20; Belongs to the WzzB/Cld/Rol family. (327 aa) |
| | pduW | Probable propionate kinase. (SW:PDUW_SALTY); Belongs to the acetokinase family. PduW subfamily. (404 aa) |
| | pgsA | Phosphatidylglycerophosphate synthetase; This protein catalyzes the committed step to the synthesis of the acidic phospholipids; Belongs to the CDP-alcohol phosphatidyltransferase class-I family. (182 aa) |
| | msbB | Myristoyl transferase in lipid A biosynthesis; Catalyzes the transfer of myristate from myristoyl-acyl carrier protein (ACP) to Kdo(2)-(lauroyl)-lipid IV(A) to form Kdo(2)- lipid A. (323 aa) |
| | fadD | acyl-CoA synthetase; Catalyzes the esterification, concomitant with transport, of exogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids; Belongs to the ATP-dependent AMP-binding enzyme family. (561 aa) |
| | fadR | Negative regulator of fad regulon; Multifunctional regulator of fatty acid metabolism. Represses transcription of at least eight genes required for fatty acid transport and beta-oxidation including fadA, fadB, fadD, fadL and fadE. Activates transcription of at least three genes required for unsaturated fatty acid biosynthesis: fabA, fabB and iclR, the gene encoding the transcriptional regulator of the aceBAK operon encoding the glyoxylate shunt enzymes. Binding of FadR is specifically inhibited by long chain fatty acyl-CoA compounds (By similarity). (239 aa) |
| | ipk | Isopentenyl monophosphate kinase; Catalyzes the phosphorylation of the position 2 hydroxy group of 4-diphosphocytidyl-2C-methyl-D-erythritol; Belongs to the GHMP kinase family. IspE subfamily. (283 aa) |
| | kdsA | 3-deoxy-D-manno-octulosonic acid 8-P synthetase; Similar to E. coli 2-dehydro-3-deoxyphosphooctulonate aldolase (AAC74299.1); Blastp hit to AAC74299.1 (284 aa), 93% identity in aa 1 - 282; Belongs to the KdsA family. (284 aa) |
| | ychK | Putative phosphoesterase; Similar to E. coli orf, hypothetical protein (AAC74316.1); Blastp hit to AAC74316.1 (314 aa), 83% identity in aa 14 - 314. (301 aa) |
| | cls | Cardiolipin synthase; Catalyzes the reversible phosphatidyl group transfer from one phosphatidylglycerol molecule to another to form cardiolipin (CL) (diphosphatidylglycerol) and glycerol. (486 aa) |
| | yciA | Putative Acyl-CoA hydrolase; Catalyzes the hydrolysis of the thioester bond in palmitoyl- CoA and malonyl-CoA. (133 aa) |
| | acnA | Aconitate hydratase 1; Involved in the catabolism of short chain fatty acids (SCFA) via the tricarboxylic acid (TCA)(acetyl degradation route) and the 2- methylcitrate cycle I (propionate degradation route). Catalyzes the reversible isomerization of citrate to isocitrate via cis-aconitate. Also catalyzes the hydration of 2-methyl-cis-aconitate to yield (2R,3S)-2-methylisocitrate. The (2S,3S)-2-methylcitrate (2-MC) is a very poor substrate. The apo form of AcnA functions as a RNA-binding regulatory protein (By similarity). Belongs to the aconitase/IPM isomerase family. (891 aa) |
| | yciS | Putative inner membrane protein; Involved in the assembly of lipopolysaccharide (LPS). Belongs to the LapA family. (102 aa) |
| | yciM | Putative N-acetylglucosaminyl transferase; Modulates cellular lipopolysaccharide (LPS) levels by regulating LpxC, which is involved in lipid A biosynthesis. May act by modulating the proteolytic activity of FtsH towards LpxC. May also coordinate assembly of proteins involved in LPS synthesis at the plasma membrane; Belongs to the LapB family. (389 aa) |
| | fabI | Enoyl-[acyl-carrier-protein] reductase (NADH); Catalyzes the reduction of a carbon-carbon double bond in an enoyl moiety that is covalently linked to an acyl carrier protein (ACP). Involved in the elongation cycle of fatty acid which are used in the lipid metabolism and in the biotin biosynthesis (By similarity). Belongs to the short-chain dehydrogenases/reductases (SDR) family. FabI subfamily. (262 aa) |
| | STM1637 | Putative inner membrane protein. (516 aa) |
| | ydfG | Putative oxidoreductase; NADP-dependent dehydrogenase with broad substrate specificity acting on 3-hydroxy acids. Catalyzes the NADP-dependent oxidation of L- allo-threonine to L-2-amino-3-keto-butyrate, which is spontaneously decarboxylated into aminoacetone. Also acts on D-threonine, L-serine, D-serine, D-3-hydroxyisobutyrate, L-3-hydroxyisobutyrate, D-glycerate and L-glycerate. Able to catalyze the reduction of the malonic semialdehyde to 3-hydroxypropionic acid. YdfG is apparently supplementing RutE, the presumed malonic semialdehyde reductase involved in pyrimidine degradation sin [...] (248 aa) |
| | orf32 | Putative hydrolase or acyltransferase; Proline iminopeptidase like protein (gi|1526980). (297 aa) |
| | lpp | Murein lipoprotein; Plays an important role in virulence. A highly abundant outer membrane lipoprotein that controls the distance between the inner and outer membranes. The only protein known to be covalently linked to the peptidoglycan network (PGN). Also non- covalently binds the PGN. The link between the cell outer membrane and PGN contributes to maintenance of the structural and functional integrity of the cell envelope, and maintains the correct distance between the PGN and the outer membrane (By similarity). (78 aa) |
| | lppB | Putative methyl-accepting chemotaxis protein; Plays an important role in virulence. A highly abundant outer membrane lipoprotein that controls the distance between the inner and outer membranes. The only protein known to be covalently linked to the peptidoglycan network (PGN). Also non- covalently binds the PGN. The link between the cell outer membrane and PGN contributes to maintenance of the structural and functional integrity of the cell envelope, and maintains the correct distance between the PGN and the outer membrane (By similarity). (79 aa) |
| | ydiO | Putative acyl-CoA dehydrogenase; Similar to E. coli putative oxidoreductase (AAC74765.1); Blastp hit to AAC74765.1 (401 aa), 95% identity in aa 19 - 401. (383 aa) |
| | ydiR | Similar to E. coli putative flavoprotein (AAC74768.1); Blastp hit to AAC74768.1 (312 aa), 72% identity in aa 1 - 312. (311 aa) |
| | rfc | O-antigen polymerase; May link the O-antigen tetrasaccharide units into long chains, giving rise to typical smooth LPS. (407 aa) |
| | fabF | 3-oxoacyl-[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. (413 aa) |
| | acpP | Acyl carrier protein; Carrier of the growing fatty acid chain in fatty acid biosynthesis; Belongs to the acyl carrier protein (ACP) family. (78 aa) |
| | fabG | 3-oxoacyl-[acyl-carrier-protein] reductase; Catalyzes the NADPH-dependent reduction of beta-ketoacyl-ACP substrates to beta-hydroxyacyl-ACP products, the first reductive step in the elongation cycle of fatty acid biosynthesis. (244 aa) |
| | fabD | Malonyl coA-acyl carrier protein transacylase. (SW:FABD_SALTY); Belongs to the FabD family. (309 aa) |
| | fabH | 3-oxoacyl-[acyl-carrier-protein] synthase III; 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. Its substrate specificity determines the biosynthesis of branched-chain and/or straight-chain of fatty acids; Belongs to the thiolase-like superfamily. FabH family. (317 aa) |
| | plsX | Putative fatty acid/phospholipid synthesis protein; Catalyzes the reversible formation of acyl-phosphate (acyl- PO(4)) from acyl-[acyl-carrier-protein] (acyl-ACP). This enzyme utilizes acyl-ACP as fatty acyl donor, but not acyl-CoA. (359 aa) |
| | htrB | Lauroyl/myristoyl acyltransferase involved in lipid A biosynthesis; Catalyzes the transfer of laurate from lauroyl-acyl carrier protein (ACP) to Kdo(2)-lipid IV(A) to form Kdo(2)-(lauroyl)-lipid IV(A). (306 aa) |
| | ymdC | Putative phospholipase; Catalyzes the synthesis of cardiolipin (CL) (diphosphatidylglycerol) from phosphatidylglycerol (PG) and phosphatidylethanolamine (PE); Belongs to the phospholipase D family. Cardiolipin synthase subfamily. ClsC sub-subfamily. (494 aa) |
| | fabA | Beta-hydroxydecanoyl thioester dehydrase; Necessary for the introduction of cis unsaturation into fatty acids. Catalyzes the dehydration of (3R)-3-hydroxydecanoyl-ACP to E- (2)-decenoyl-ACP and then its isomerization to Z-(3)-decenoyl-ACP. Can catalyze the dehydratase reaction for beta-hydroxyacyl-ACPs with saturated chain lengths up to 16:0, being most active on intermediate chain length. (172 aa) |
| | kdsB | CTP:CMP-3-deoxy-D-manno-octulosonate transferase; Activates KDO (a required 8-carbon sugar) for incorporation into bacterial lipopolysaccharide in Gram-negative bacteria. (248 aa) |
| | lpxK | Tetraacyldisaccharide 4' kinase; Transfers the gamma-phosphate of ATP to the 4'-position of a tetraacyldisaccharide 1-phosphate intermediate (termed DS-1-P) to form tetraacyldisaccharide 1,4'-bis-phosphate (lipid IVA). (325 aa) |
| | nanH | Sialidase; Cleaves the terminal sialic acid (N-acetyl neuraminic acid) from carbohydrate chains in glycoproteins providing free sialic acid which can be used as carbon and energy sources. Sialidases have been suggested to be pathogenic factors in microbial infections. (412 aa) |
| | STM0857 | Putative acyl-CoA dehydrogenase; Similar to E. coli putative oxidoreductase (AAC74765.1); Blastp hit to AAC74765.1 (401 aa), 28% identity in aa 33 - 390. (387 aa) |
| | STM0856 | Putative electron transfer flavoprotein alpha subunit; Similar to E. coli putative flavoprotein (AAC74768.1); Blastp hit to AAC74768.1 (312 aa), 35% identity in aa 65 - 310. (315 aa) |
| | ybiP | Putative integral membrane protein; Similar to E. coli putative enzyme (AAC73902.1); Blastp hit to AAC73902.1 (527 aa), 84% identity in aa 1 - 526. (526 aa) |
| | ybhO | Cardiolipin (CL) synthase; Catalyzes the phosphatidyl group transfer from one phosphatidylglycerol molecule to another to form cardiolipin (CL) (diphosphatidylglycerol) and glycerol. (413 aa) |
| | ybfF | Putative enzyme; Similar to E. coli orf, hypothetical protein (AAC73780.1); Blastp hit to AAC73780.1 (254 aa), 89% identity in aa 1 - 254. (256 aa) |
| | lipA | Lipoate synthase, an iron-sulfur enzyme; Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives. (321 aa) |
| | pagP | PhoPQ-activated gene; Transfers a palmitate residue from the sn-1 position of a phospholipid to the N-linked hydroxymyristate on the proximal unit of lipid A or its precursors. Required for resistance to cationic antimicrobial peptides (CAMPs). Modifications of lipid A with a palmitate chain allow to evade host immune defenses by resisting antimicrobial peptides and attenuating the inflammatory response to infection triggered by lipopolysaccharide through the Toll-like receptor 4 (TLR4) signal transduction pathway. (190 aa) |
| | fepE | Similar to E. coli ferric enterobactin (enterochelin) transport (AAC73688.1); Blastp hit to AAC73688.1 (377 aa), 73% identity in aa 1 - 373. (378 aa) |
| | lpxH | UDP-2,3-diacylglucosamine hydrolase; Hydrolyzes the pyrophosphate bond of UDP-2,3- diacylglucosamine to yield 2,3-diacylglucosamine 1-phosphate (lipid X) and UMP by catalyzing the attack of water at the alpha-P atom. Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (240 aa) |
| | tesB | Similar to E. coli acyl-CoA thioesterase II (AAC73555.1); Blastp hit to AAC73555.1 (286 aa), 91% identity in aa 1 - 286. (286 aa) |
| | ispA | Similar to E. coli geranyltranstransferase (farnesyldiphosphate synthase) (AAC73524.1); Blastp hit to AAC73524.1 (299 aa), 90% identity in aa 1 - 299; Belongs to the FPP/GGPP synthase family. (299 aa) |
| | dxs | 1-deoxyxylulose-5-phosphate synthase; Catalyzes the acyloin condensation reaction between C atoms 2 and 3 of pyruvate and glyceraldehyde 3-phosphate to yield 1-deoxy-D- xylulose-5-phosphate (DXP); Belongs to the transketolase family. DXPS subfamily. (620 aa) |
| | pgpA | Phosphatidylglycerophosphatase A; Lipid phosphatase which dephosphorylates phosphatidylglycerophosphate (PGP) to phosphatidylglycerol (PG). (171 aa) |
| | yajB | Putative cytoplasmic protein; Converts holo-ACP to apo-ACP by hydrolytic cleavage of the phosphopantetheine prosthetic group from ACP; Belongs to the AcpH family. (193 aa) |
| | prpE | Putative acetyl-CoA synthetase, propionate catabolism operon; Catalyzes the synthesis of propionyl-CoA from propionate and CoA. Also converts acetate to acetyl-CoA but with a lower specific activity. (628 aa) |
| | prpD | Putative protein in propionate catabolism; Involved in the catabolism of short chain fatty acids (SCFA) via the 2-methylcitrate cycle I (propionate degradation route). Catalyzes the dehydration of 2-methylcitrate (2-MC) to yield the cis isomer of 2-methyl-aconitate. It is also able to catalyze the dehydration of citrate at a lower rate, and the hydration of cis- aconitate. It has no aconitase-like activity and is unable to catalyze the hydration of 2-methyl-cis-aconitate. (483 aa) |
| | prpC | Putative citrate synthase; Involved in the catabolism of short chain fatty acids (SCFA) via the tricarboxylic acid (TCA)(acetyl degradation route) and via the 2-methylcitrate cycle I (propionate degradation route). Catalyzes the Claisen condensation of propionyl-CoA and oxaloacetate (OAA) to yield 2-methylcitrate (2-MC) and CoA. Also catalyzes the condensation of oxaloacetate with acetyl-CoA or butyryl-CoA but with a lower specificity. (389 aa) |
| | prpB | Putative carboxyphosphonoenolpyruvate mutase; Involved in the catabolism of short chain fatty acids (SCFA) via the 2-methylcitrate cycle I (propionate degradation route). Catalyzes the thermodynamically favored C-C bond cleavage of (2R,3S)-2- methylisocitrate to yield pyruvate and succinate via an alpha-carboxy- carbanion intermediate. Belongs to the isocitrate lyase/PEP mutase superfamily. Methylisocitrate lyase family. (295 aa) |
| | prpR | Regulator for prp operon (EBP family); Involved in the transcriptional regulation of the propionate catabolism operon. (541 aa) |
| | ghmA | Phosphoheptose isomerase; Catalyzes the isomerization of sedoheptulose 7-phosphate in D-glycero-D-manno-heptose 7-phosphate; Belongs to the SIS family. GmhA subfamily. (192 aa) |
| | yafH | Putative acyl-CoA dehydrogenase; Catalyzes the dehydrogenation of acyl-coenzymes A (acyl-CoAs) to 2-enoyl-CoAs, the first step of the beta-oxidation cycle of fatty acid degradation. Is required for S.typhimurium to utilize medium- and long-chain fatty acids as sole carbon sources for growth. Is needed for bacterial survival during carbone-source starvation. (814 aa) |
| | yaeD | Putative dehydratase; Converts the D-glycero-beta-D-manno-heptose 1,7-bisphosphate intermediate into D-glycero-beta-D-manno-heptose 1-phosphate by removing the phosphate group at the C-7 position; Belongs to the GmhB family. (188 aa) |
| | accA | acetylCoA carboxylase, carboxytransferase component, alpha subunit; Component of the acetyl coenzyme A carboxylase (ACC) complex. First, biotin carboxylase catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the carboxyltransferase to acetyl-CoA to form malonyl-CoA. (319 aa) |
| | lpxB | tetraacyldisaccharide-1-P; Condensation of UDP-2,3-diacylglucosamine and 2,3- diacylglucosamine-1-phosphate to form lipid A disaccharide, a precursor of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (382 aa) |
| | lpxA | UDP-N-acetylglucosamine acetyltransferase; Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (262 aa) |
| | fabZ | (3R)-hydroxymyristol acyl carrier protein dehydratase; Involved in unsaturated fatty acids biosynthesis. Catalyzes the dehydration of short chain beta-hydroxyacyl-ACPs and long chain saturated and unsaturated beta-hydroxyacyl-ACPs (By similarity). (151 aa) |
| | lpxD | UDP-3-O-(3-hydroxymyristoyl)-glucosamine n-acyltransferase; Catalyzes the N-acylation of UDP-3-O- (hydroxytetradecanoyl)glucosamine using 3-hydroxytetradecanoyl-ACP as the acyl donor. Is involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (341 aa) |
| | cdsA | Similar to E. coli CDP-diglyceride synthetase (AAC73286.1); Blastp hit to AAC73286.1 (249 aa), 95% identity in aa 1 - 249; Belongs to the CDS family. (285 aa) |
| | uppS | Undecaprenyl pyrophosphate synthetase (di-trans, poly-cis-decaprenylcistransferase); Catalyzes the sequential condensation of isopentenyl diphosphate (IPP) with (2E,6E)-farnesyl diphosphate (E,E-FPP) to yield (2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E,38E)-undecaprenyl diphosphate (di- trans,octa-cis-UPP). UPP is the precursor of glycosyl carrier lipid in the biosynthesis of bacterial cell wall polysaccharide components such as peptidoglycan and lipopolysaccharide. (252 aa) |
| | dxr | 1-deoxy-D-xylulose 5-phosphate reductoisomerase; Catalyzes the NADP-dependent rearrangement and reduction of 1-deoxy-D-xylulose-5-phosphate (DXP) to 2-C-methyl-D-erythritol 4- phosphate (MEP). (398 aa) |
| | acnB | Aconitate hydratase 2; Involved in the catabolism of short chain fatty acids (SCFA) via the tricarboxylic acid (TCA)(acetyl degradation route) and the 2- methylcitrate cycle I (propionate degradation route). Catalyzes the reversible isomerization of citrate to isocitrate via cis-aconitate. Also catalyzes the hydration of 2-methyl-cis-aconitate to yield (2R,3S)-2-methylisocitrate. The apo form of AcnB functions as a RNA- binding regulatory protein which regulates FliC synthesis via interaction with the ftsH transcript to decrease the intracellular levels of FtsH. The lower levels of Fts [...] (865 aa) |
| | lpxC | UDP-3-O-acyl N-acetylglucosamine deacetylase; Catalyzes the hydrolysis of UDP-3-O-myristoyl-N- acetylglucosamine to form UDP-3-O-myristoylglucosamine and acetate, the committed step in lipid A biosynthesis; Belongs to the LpxC family. (305 aa) |
| | murG | Undecaprenyldiphospho-muramoylpentapeptide beta-N-acetylglucosaminyltransferase; Cell wall formation. Catalyzes the transfer of a GlcNAc subunit on undecaprenyl-pyrophosphoryl-MurNAc-pentapeptide (lipid intermediate I) to form undecaprenyl-pyrophosphoryl-MurNAc- (pentapeptide)GlcNAc (lipid intermediate II); Belongs to the glycosyltransferase 28 family. MurG subfamily. (355 aa) |
| | fixB | Putative electron transfer flavoprotein, carnitine metabolism; Required for anaerobic carnitine reduction. May bring reductant to CaiA. (313 aa) |
| | caiA | Putative acyl-CoA dehydrogenase, carnitine metabolism; Catalyzes the reduction of crotonobetainyl-CoA to gamma- butyrobetainyl-CoA; Belongs to the acyl-CoA dehydrogenase family. (380 aa) |
| | lytB | Regulates the activity of guanosine 3',5'-bispyrophosphate synthetase I (RelA); Catalyzes the conversion of 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate (HMBPP) into a mixture of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP). Acts in the terminal step of the DOXP/MEP pathway for isoprenoid precursor biosynthesis. (316 aa) |
| | STM4489 | Putative superfamily I DNA helicases; Similar to E. coli putative frameshift suppressor (AAC77264.1); Blastp hit to AAC77264.1 (338 aa), 68% identity in aa 1 - 338. (1171 aa) |
| | srfJ | Activated by transcription factor SsrB; Similar to Homo sapiens lysosomal glucosyl ceramidase; SrfJ (gi|8347262); Belongs to the glycosyl hydrolase 30 family. (447 aa) |
| | cysQ | CysQ protein; Converts adenosine-3',5'-bisphosphate (PAP) to AMP. (246 aa) |
| | psd | Phosphatidylserine decarboxylase; Catalyzes the formation of phosphatidylethanolamine (PtdEtn) from phosphatidylserine (PtdSer). (322 aa) |
| | yjdB | Putative integral membrane protein; Catalyzes the addition of a phosphoethanolamine moiety to the lipid A. The phosphoethanolamine modification is required for resistance to polymyxin; Belongs to the phosphoethanolamine transferase family. EptA subfamily. (547 aa) |
| | lpxO | Putative dioxygenase for synthesis of lipid; Putative dioxygenase; LpxO (gi|9454389). (302 aa) |
| | dgkA | Diacylglycerol kinase; Recycling of diacylglycerol produced during the turnover of membrane phospholipid. (122 aa) |
| | plsB | Glycerolphosphate acyltransferase activity; Similar to E. coli glycerol-3-phosphate acyltransferase (AAC77011.1); Blastp hit to AAC77011.1 (827 aa), 94% identity in aa 21 - 826; Belongs to the GPAT/DAPAT family. (806 aa) |
| | yijC | Putative TetR/AcrR family transcriptional repressor; Represses the transcription of fabB, involved in unsaturated fatty acid (UFA) biosynthesis. By controlling UFA production, FabR directly influences the physical properties of the membrane bilayer. (211 aa) |
| | yijP | Putative integral membrane protein; Catalyzes the addition of a phosphoethanolamine moiety to the outer membrane lipopolysaccharide core; Belongs to the phosphoethanolamine transferase family. EptC/CptA subfamily. (577 aa) |
| | ushB | CDP-diacylglycerol pyrophosphatase. (SW:CDH_SALTY). (251 aa) |
| | fadB | 3-hydroxyacyl-coA dehydrogenase of 4-enzyme FadB protein; 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) |
| | fadA | 3-ketoacyl-CoA thiolase; Catalyzes the final step of fatty acid oxidation in which acetyl-CoA is released and the CoA ester of a fatty acid two carbons shorter is formed. Involved in the aerobic and anaerobic degradation of long-chain fatty acids (By similarity). (387 aa) |
| | wzzE | Modulator of enterobacterial common antigen (ECA) polysaccharide chain length; Modulates the polysaccharide chain length of enterobacterial common antigen (ECA); Belongs to the WzzB/Cld/Rol family. (348 aa) |
| | rfe | Undecaprenyl-phosphate N-acetylglucosaminyltransferase; Catalyzes the transfer of the GlcNAc-1-phosphate moiety from UDP-GlcNAc onto the carrier lipid undecaprenyl phosphate (C55-P), yielding GlcNAc-pyrophosphoryl-undecaprenyl (GlcNAc-PP-C55). Belongs to the glycosyltransferase 4 family. WecA subfamily. (367 aa) |
| | glmU | N-acetyl glucosamine-1-phosphate uridyltransferase; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. In the C-terminal section; belongs to the transferase hexapeptide repeat family. (456 aa) |
| | kdtA | 3-deoxy-D-manno-octulosonic-acid transferase; Involved in lipopolysaccharide (LPS) biosynthesis. Catalyzes the transfer of 3-deoxy-D-manno-octulosonate (Kdo) residue(s) from CMP- Kdo to lipid IV(A), the tetraacyldisaccharide-1,4'-bisphosphate precursor of lipid A; Belongs to the glycosyltransferase group 1 family. (425 aa) |
| | rfaQ | Modification of heptose region of core; similar to E. coli lipopolysaccharide core biosynthesis (AAC76656.1); Blastp hit to AAC76656.1 (344 aa), 78% identity in aa 1 - 344. (344 aa) |
| | rfaP | Lipopolysaccharide core biosynthesis protein; Catalyzes the phosphorylation of heptose(I) of the outer membrane lipopolysaccharide core. (265 aa) |
| | rfaB | UDP-D-galactose:(glucosyl)lipopolysaccharide-1, 6-D-galactosyltransferase; Adds a galactose goup to a glucose group of LPS; Belongs to the glycosyltransferase group 1 family. Glycosyltransferase 4 subfamily. (359 aa) |
| | rfaI | UDP-D-galactose:(glucosyl)lipopolysaccharide- alpha-1,3-D-galactosyltransferase; Adds the galactose(I) group on the glucose(I) group of LPS. (337 aa) |
| | rfaJ | UDP-D-glucose:(galactosyl)lipopolysaccharide glucosyltransferase; Adds the glucose(II) group on the galactose(I) group of LPS. (336 aa) |
| | rfaY | Lipopolysaccharide core biosynthesis protein; Catalyzes the phosphorylation of heptose(II) of the outer membrane lipopolysaccharide core; Belongs to the protein kinase superfamily. RfaY/WaaY family. (232 aa) |
| | rfaZ | Lipopolysaccharide core biosynthesis protein RFAZ. (SW:RFAZ_SALTY). (269 aa) |
| | rfaK | Putative hexose transferase; Adds the terminal N-acetyl-D-glucosamine group on the glucose(II) group of LPS; Belongs to the glycosyltransferase group 1 family. Glycosyltransferase 4 subfamily. (381 aa) |
| | rfaL | O-antigen ligase; Adds the O-antigen on the glucose(II) group of LPS. (404 aa) |
| | rfaC | Heptosyl transferase I; Heptose transfer to the lipopolysaccharide core. It transfers the innermost heptose to [4'-P](3-deoxy-D-manno-octulosonic acid)2-IVA; Belongs to the glycosyltransferase 9 family. (317 aa) |
| | rfaF | ADP-heptose; AFP-heptose--lps heptosyltransferase II. (SW:RFAF_SALTY). (348 aa) |
| | rfaD | ADP-L-glycero-D-mannoheptose-6-epimerase; Catalyzes the interconversion between ADP-D-glycero-beta-D- manno-heptose and ADP-L-glycero-beta-D-manno-heptose via an epimerization at carbon 6 of the heptose. (310 aa) |
| | gpsA | Glycerol-3-phosphate dehydrogenase [NAD+]. (SW:GPDA_SALTY); Belongs to the NAD-dependent glycerol-3-phosphate dehydrogenase family. (339 aa) |
| | yhjW | Putative membrane-associated metal-dependent hydrolase; Catalyzes the addition of a phosphoethanolamine (pEtN) moiety to the outer 3-deoxy-D-manno-octulosonic acid (Kdo) residue of a Kdo(2)-lipid A. Phosphatidylethanolamines with one unsaturated acyl group functions as pEtN donors and the reaction releases diacylglycerol. (563 aa) |
| | yheT | Contains alpha/beta-hydrolase fold; similar to E. coli orf, hypothetical protein (AAC76378.1); Blastp hit to AAC76378.1 (340 aa), 84% identity in aa 1 - 339. (355 aa) |
| | accC | Acetyl CoA carboxylase; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. (449 aa) |
| | accB | acetylCoA carboxylase, BCCP subunit; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. (156 aa) |
