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fepE fepE ybiP ybiP lpxK lpxK kdsB kdsB htrB htrB rfc rfc STM1637 STM1637 kdsA kdsA msbB msbB wzzB wzzB udg udg rfbP rfbP rfbK rfbK rfbM rfbM rfbN rfbN rfbU rfbU rfbV rfbV yaeD yaeD ghmA ghmA arnF arnF ddg ddg gutQ gutQ rfaE rfaE yrbH yrbH yrbI yrbI yhjW yhjW rfaD rfaD rfaF rfaF rfaC rfaC rfaL rfaL rfaK rfaK rfaZ rfaZ rfaY rfaY rfaJ rfaJ rfaI rfaI rfaB rfaB rfaP rfaP rfaQ rfaQ kdtA kdtA rfe rfe wzzE wzzE yijP yijP yjdB yjdB rfbX rfbX rfbJ rfbJ rfbH rfbH rfbG rfbG rfbF rfbF rfbI-2 rfbI-2 rfbC rfbC rfbA rfbA rfbD rfbD rfbB rfbB galF galF wcaM wcaM wcaL wcaL cpsG cpsG manC manC wzc wzc yeiU yeiU oafA oafA yfbE yfbE pmrF pmrF yfbG yfbG arnD arnD pqaB pqaB arnE arnE
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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
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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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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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fepESimilar to E. coli ferric enterobactin (enterochelin) transport (AAC73688.1); Blastp hit to AAC73688.1 (377 aa), 73% identity in aa 1 - 373. (378 aa)
ybiPPutative 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)
lpxKTetraacyldisaccharide 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)
kdsBCTP: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)
htrBLauroyl/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)
rfcO-antigen polymerase; May link the O-antigen tetrasaccharide units into long chains, giving rise to typical smooth LPS. (407 aa)
STM1637Putative inner membrane protein. (516 aa)
kdsA3-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)
msbBMyristoyl 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)
wzzBRegulator 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)
udgUDP-glucose 6-dehydrogenase. (SW:UDG_SALTY). (388 aa)
rfbPUndecaprenol-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)
rfbKPhosphomannomutase; 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)
rfbMMannose-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)
rfbNLPS side chain defect: putative rhamnosyltransferase RFBN. (SW:RFBN_SALTY). (314 aa)
rfbUMannosyl transferase; LPS side chain defect; RFBU protein. (SW:RFBU_SALTY). (353 aa)
rfbVAbequosyltransferase; 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)
yaeDPutative 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)
ghmAPhosphoheptose 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)
arnFPutative 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)
ddgCold 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)
gutQPutative 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)
rfaEPutative 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)
yrbHPutative 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)
yrbIPutative 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)
yhjWPutative 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)
rfaDADP-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)
rfaFADP-heptose; AFP-heptose--lps heptosyltransferase II. (SW:RFAF_SALTY). (348 aa)
rfaCHeptosyl 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)
rfaLO-antigen ligase; Adds the O-antigen on the glucose(II) group of LPS. (404 aa)
rfaKPutative 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)
rfaZLipopolysaccharide core biosynthesis protein RFAZ. (SW:RFAZ_SALTY). (269 aa)
rfaYLipopolysaccharide 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)
rfaJUDP-D-glucose:(galactosyl)lipopolysaccharide glucosyltransferase; Adds the glucose(II) group on the galactose(I) group of LPS. (336 aa)
rfaIUDP-D-galactose:(glucosyl)lipopolysaccharide- alpha-1,3-D-galactosyltransferase; Adds the galactose(I) group on the glucose(I) group of LPS. (337 aa)
rfaBUDP-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)
rfaPLipopolysaccharide core biosynthesis protein; Catalyzes the phosphorylation of heptose(I) of the outer membrane lipopolysaccharide core. (265 aa)
rfaQModification 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)
kdtA3-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)
rfeUndecaprenyl-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)
wzzEModulator 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)
yijPPutative 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)
yjdBPutative 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)
rfbXPutative 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)
rfbJLPS side chain defect; CDP-abequose synthase. (SW:RFBJ_SALTY). (299 aa)
rfbHCDP-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)
rfbGLPS side chain defect; CDP-glucose 4,6-dehydratase. (SW:RFBG_SALTY); Belongs to the NAD(P)-dependent epimerase/dehydratase family. (359 aa)
rfbFGlucose-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)
rfbI-2CDP-6-deoxy-delta3,4-glucoseen reductase; LPS side chain defect; RFBI protein. (SW:RFBI_SALTY). (330 aa)
rfbCdTDP-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)
rfbAdTDP-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)
rfbDTDP-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)
rfbBdTDP-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)
galFPutative glucose-1-phosphate uridylyltransferase, non-catalytic subunit; May play a role in stationary phase survival; Belongs to the UDPGP type 2 family. (297 aa)
wcaMColanic acid biosynthesis protein WCAM. (SW:WCAM_SALTY). (467 aa)
wcaLPutative glycosyl transferase; In colanic acid gene cluster; putative colanic acid biosynthesis glycosyl transferase WCAL. (SW:WCAL_SALTY). (406 aa)
cpsGPhosphomannomutase; Involved in the biosynthesis of the capsular polysaccharide colanic acid; Belongs to the phosphohexose mutase family. (456 aa)
manCMannose-1-phosphate; Involved in the biosynthesis of the capsular polysaccharide colanic acid. (480 aa)
wzcPutative 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)
yeiUPutative 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)
oafAAcetylation of the O-antigen (LPS); O-antigen five:. (609 aa)
yfbEPutative 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)
pmrFPutative 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)
yfbGPutative 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)
arnDPutative 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)
pqaBPutative 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)
arnEPutative 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)
Your Current Organism:
Salmonella enterica Typhimurium
NCBI taxonomy Id: 99287
Other names: S. enterica subsp. enterica serovar Typhimurium str. LT2, Salmonella enterica subsp. enterica serovar Typhimurium LT2, Salmonella enterica subsp. enterica serovar Typhimurium str. LT2, Salmonella enterica subsp. enterica serovar Typhimurium strain LT2, Salmonella enterica subsp. enterica serovar Typhimurium strain LT2-LTL2, Salmonella typhimurium LT2
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