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nlpE nlpE yaeF yaeF rcsF rcsF metQ metQ mltD mltD yafT yafT yafL yafL yafY yafY yajI yajI cyoA cyoA yajG yajG ybaY ybaY acrA acrA borD borD cusC cusC rlpA rlpA lptE lptE chiQ chiQ ybfP ybfP pal pal ybhC ybhC yliF yliF ybjP ybjP amiD amiD ycaL ycaL pqiC pqiC gfcE gfcE gfcD gfcD gfcB gfcB pgaB pgaB csgG csgG yceB yceB flgH flgH lpoB lpoB emtA emtA lolB lolB osmB osmB ydcL ydcL yddW yddW ynfC ynfC mliC mliC slyB slyB lpp lpp nlpC nlpC osmE osmE yeaY yeaY yedD yedD wza wza yehR yehR mepS mepS apbE apbE mlaA mlaA ypdI ypdI bamC bamC yfgH yfgH bamB bamB yfhM yfhM bamD bamD yfiB yfiB bamE bamE yfjS yfjS mltB mltB nlpD nlpD ygdI ygdI mltA mltA ygdR ygdR ygeR ygeR loiP loiP mltC mltC yghG yghG yqhH yqhH lpoA lpoA nlpI nlpI acrE acrE slp slp mdtE mdtE yiaD yiaD nlpA nlpA yjbF yjbF yjbH yjbH mdtP mdtP blc blc bsmA bsmA ecnA ecnA ecnB ecnB sslE sslE rzoD rzoD rzoR rzoR ysaB ysaB yifL yifL ytcA ytcA rzoQ rzoQ
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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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textmining
co-expression
protein homology
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nlpELipoprotein involved with copper homeostasis and adhesion; Involved in copper homeostasis, could be involved in both copper efflux and the delivery of copper to copper-dependent enzymes. Required for efficient binding of stationary phase cells to hydrophobic surfaces, part of the process of biofilm formation. Functions during envelope stress responses; when overproduced induces degP through the activation of the two-component envelope stress response system CpxA/CpxR. DegP induction seems to require membrane anchoring of this protein. Structural changes and/or interaction of the CXXC m [...] (236 aa)
yaeFPutative lipoprotein. (274 aa)
rcsFPutative outer membrane protein; Essential component of the Rcs signaling system, which controls transcription of numerous genes. Plays a role in signal transduction from the cell surface to the histidine kinase RcsC. May detect outer membrane defects. The system controls expression of genes involved in colanic acid capsule synthesis, biofilm formation and cell division. Belongs to the RcsF family. (134 aa)
metQDL-methionine transporter subunit; This protein is a component of a D-methionine permease, a binding protein-dependent, ATP-driven transport system. Belongs to the NlpA lipoprotein family. (271 aa)
mltDPutative membrane-bound lytic murein transglycosylase D; Murein-degrading enzyme. May play a role in recycling of muropeptides during cell elongation and/or cell division (By similarity); Belongs to the transglycosylase Slt family. (452 aa)
yafTLipoprotein; Putative aminopeptidase. (261 aa)
yafLPutative lipoprotein and C40 family peptidase; Putative lipoprotein. (249 aa)
yafYLipoprotein, inner membrane; When overproduced strongly induces degP through the activation of the two-component envelope stress response system CpxA/CpxR ; To E.coli YfjS. (147 aa)
yajIPutative lipoprotein. (179 aa)
cyoACytochrome o ubiquinol oxidase subunit II; Cytochrome bo(3) ubiquinol terminal oxidase is the component of the aerobic respiratory chain of E.coli that predominates when cells are grown at high aeration. Has proton pump activity across the membrane in addition to electron transfer, pumping 2 protons/electron. (315 aa)
yajGPutative polymerase/proteinase. (192 aa)
ybaYOuter membrane lipoprotein; Glycoprotein/polysaccharide metabolism; Protein involved in lipoprotein biosynthetic process and glycoprotein biosynthetic process. (190 aa)
acrAMultidrug efflux system; AcrA-AcrB-AcrZ-TolC is a drug efflux protein complex with broad substrate specificity that uses the proton motive force to export substrates. This subunit may act as an adapter protein that links AcrB and TolC stably together. It is elongated in shape, being long enough to span the periplasm. (397 aa)
borDDLP12 prophage; Bacteriophage lambda Bor protein homolog; Belongs to the lambda phage bor family. (97 aa)
cusCCopper/silver efflux system, outer membrane component; Forms pores that allow passive diffusion of cations across the outer membrane. Part of a cation efflux system that mediates resistance to copper and silver. In pathogenic strains it allows the bacteria to invade brain microvascular endothelial cells (BMEC) thus allowing it to cross the blood-brain barrier and cause neonatal meningitis. (457 aa)
rlpASeptal ring protein, suppressor of prc, minor lipoprotein; Lytic transglycosylase with a strong preference for naked glycan strands that lack stem peptides; Belongs to the RlpA family. (362 aa)
lptELPS assembly OM complex LptDE, lipoprotein component; Together with LptD, is involved in the assembly of lipopolysaccharide (LPS) at the surface of the outer membrane. Required for the proper assembly of LptD. Binds LPS and may serve as the LPS recognition site at the outer membrane. Belongs to the LptE lipoprotein family. (193 aa)
chiQChitosugar-induced verified lipoprotein. (108 aa)
ybfPLipoprotein; Putative pectinase. (164 aa)
palPeptidoglycan-associated outer membrane lipoprotein; Part of the Tol-Pal system, which plays a role in outer membrane invagination during cell division and is important for maintaining outer membrane integrity. The Tol-Pal system is also required for polar localization of chemoreceptors clusters. (173 aa)
ybhCacyl-CoA thioesterase, lipoprotein; Putative thioesterase. Does not bind pectin, and has no pectinesterase activity; Belongs to the pectinesterase family. (427 aa)
yliFPutative membrane-anchored diguanylate cyclase; Catalyzes the synthesis of cyclic-di-GMP (c-di-GMP) via the condensation of 2 GTP molecules. (442 aa)
ybjPPutative lipoprotein. (171 aa)
amiD1,6-anhydro-N-acetylmuramyl-L-alanine amidase, Zn-dependent; OM lipoprotein. (276 aa)
ycaLPutative peptidase-related chaperone; Involved in the degradation of the LPS-assembly protein LptD. Degrades LptD that have engaged the Bam complex but are stalled at an early step in the outer membrane protein assembly process. (254 aa)
pqiCDUF330 family putative lipoprotein; Component of a transport pathway that contributes to membrane integrity. (187 aa)
gfcEPutative O-antigen capsule outer membrane auxillary protein export channel; May be involved in polysaccharide transport; Belongs to the BexD/CtrA/VexA family. (379 aa)
gfcDPutative O-antigen capsule production periplasmic protein. (698 aa)
gfcBO-antigen capsule production lipoprotein; Putative regulator. (214 aa)
pgaBpoly-beta-1,6-N-acetyl-D-glucosamine (PGA) N-deacetylase outer membrane export lipoprotein; Catalyzes the N-deacetylation of poly-beta-1,6-N-acetyl-D- glucosamine (PGA), a biofilm adhesin polysaccharide. N-deacetylation promotes PGA export through the PgaA porin. Belongs to the polysaccharide deacetylase family. (672 aa)
csgGCurli production assembly/transport outer membrane lipoprotein; May be involved in the biogenesis of curli organelles. (277 aa)
yceBLipoprotein, DUF1439 family. (186 aa)
flgHFlagellar protein of basal-body outer-membrane L ring; Assembles around the rod to form the L-ring and probably protects the motor/basal body from shearing forces during rotation. (232 aa)
lpoBOM lipoprotein stimulator of MrcB transpeptidase; Regulator of peptidoglycan synthesis that is essential for the function of penicillin-binding protein 1B (PBP1b). Stimulates transpeptidase and transglycosylase activities of PBP1b in vitro. May also contribute to outer membrane constriction during cell division, in complex with PBP1b. (213 aa)
emtALytic murein endotransglycosylase E; Murein-degrading enzyme. May play a role in recycling of muropeptides during cell elongation and/or cell division. Preferentially cleaves at a distance of more than two disaccharide units from the ends of the glycan chain. Prefers cross-linked murein in vivo; Belongs to the transglycosylase Slt family. (203 aa)
lolBLipoprotein localization factor; Plays a critical role in the incorporation of lipoproteins in the outer membrane after they are released by the LolA protein. Essential for E.coli viability; Belongs to the LolB family. (207 aa)
osmBOsmotically and stress inducible lipoprotein; Provides resistance to osmotic stress. May be important for stationary-phase survival. (72 aa)
ydcLLipoprotein. (222 aa)
yddWLiprotein, glycosyl hydrolase homolog. (439 aa)
ynfCUPF0257 family lipoprotein. (236 aa)
mliCInhibitor of c-type lysozyme, membrane-bound; Specifically inhibits C-type lysozymes. Belongs to the MliC family. Type 1 subfamily. (109 aa)
slyBPutative outer membrane protein; Belongs to the Pcp/SlyB lipoprotein family. (155 aa)
lppMurein lipoprotein; An outer membrane lipoprotein that controls the distance between the inner and outer membranes; adding residues to Lpp increases the width of the periplasm. 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 the maintenance of the structural and functional integrity of the cell envelope, and maintains the correct distance between the PGN and the outer membrane. The most adundant cellular protein, there can be up to 10(6) Lpp molecules pe [...] (78 aa)
nlpCPutative C40 clan peptidase lipoprotein; Lipoprotein. (154 aa)
osmEOsmotically-inducible lipoprotein; Activator of ntrL gene; Protein involved in transcription activator activity, transcription and response to osmotic stress. (112 aa)
yeaYSlp family lipoprotein, RpoE-regulated; Putative outer membrane protein. (193 aa)
yedDLipoprotein. (137 aa)
wzaColanic acid export protein; Probably involved in the export of the extracellular polysaccharide colanic acid from the cell to medium. (379 aa)
yehRUncharacterized lipoprotein YehR; Pseudogene. (153 aa)
mepSMurein DD-endopeptidase MepS/Murein LD-carboxypeptidase; A murein DD-endopeptidase with specificity for D-Ala-meso- diaminopimelic acid (mDAP) cross-links. Its role is probably to cleave D-Ala-mDAP cross-links to allow insertion of new glycans and thus cell wall expansion. Functionally redundant with MepM and MepH. Also has weak LD-carboxypeptidase activity on L-mDAP-D-Ala peptide bonds. Partially suppresses a prc disruption mutant. Belongs to the peptidase C40 family. (188 aa)
apbEPutative thiamine-synthetic flavin transferase lipoprotein; Flavin transferase that catalyzes the transfer of the FMN moiety of FAD and its covalent binding to the hydroxyl group of a threonine residue in a target flavoprotein such as NqrB and NqrC, two subunits of the NQR complex. (351 aa)
mlaAABC transporter maintaining OM lipid asymmetry, OM lipoprotein component; Involved in a phospholipid transport pathway that maintains lipid asymmetry in the outer membrane by retrograde trafficking of phospholipids from the outer membrane to the inner membrane. Belongs to the MlaA family. (251 aa)
ypdIPutative lipoprotein involved in colanic acid biosynthesis. (91 aa)
bamCBamABCDE complex OM biogenesis lipoprotein; Part of the outer membrane protein assembly complex (Bam), which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. Nonessential member of the complex that stabilizes the interaction between the essential proteins BamA and BamD. Efficient substrate folding and insertion into the outer membrane requires all 5 subunits. A lateral gate may open between the first and last strands of the BamA beta-barrel that allows substrate to insert into the outer membrane; comparison of the structures of complete and nearly [...] (344 aa)
yfgHPutative outer membrane lipoprotein. (172 aa)
bamBBamABCDE complex OM biogenesis lipoprotein; Part of the outer membrane protein assembly complex (Bam), which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. Nonessential member of the complex, which may orient the flexible periplasmic domain of BamA for interaction with other Bam components, chaperones and nascent outer membrane proteins. Efficient substrate folding and insertion into the outer membrane requires all 5 subunits. A lateral gate may open between the first and last strands of the BamA beta-barrel that allows substrate to insert into t [...] (392 aa)
yfhMBacterial alpha2-macroglobulin colonization factor ECAM; Protects the bacterial cell from host peptidases. Acts by a 'trapping' mechanism. Cleavage of the bait-region domain by host peptidases leads to a global conformational change, which results in entrapment of the host peptidase and activation of the thioester bond that covalently binds the attacking host peptidase. Trapped peptidases are still active except against very large substrates. May protect the entire periplam, including the lipoproteins anchored to the periplasmic side of the outer membrane, against intruding endopeptidases. (1653 aa)
bamDBamABCDE complex OM biogenesis lipoprotein; Part of the outer membrane protein assembly complex (Bam), which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. Constitutes, with BamA, the core component of the assembly machinery. Probably involved in transient protein interactions. Efficient substrate folding and insertion into the outer membrane requires all 5 subunits. A lateral gate may open between the first and last strands of the BamA beta-barrel that allows substrate to insert into the outer membrane; comparison of the structures of complete a [...] (245 aa)
yfiBOM lipoprotein putative positive effector of YfiN activity; Putative outer membrane protein. (160 aa)
bamELipoprotein component of BamABCDE OM biogenesis complex; Part of the outer membrane protein assembly complex (Bam), which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. Nonessential member of the complex that stabilizes the interaction between the essential proteins BamA and BamD. May modulate the conformation of BamA, likely through interactions with BamD. Efficient substrate folding and insertion into the outer membrane requires all 5 subunits. A lateral gate may open between the first and last strands of the BamA beta-barrel that allows substr [...] (113 aa)
yfjSCP4-57 prophage; Does not induce degP when overexpressed unless it is mutated to resemble YafY. (147 aa)
mltBMembrane-bound lytic murein transglycosylase B; Murein-degrading enzyme. Catalyzes the cleavage of the glycosidic bonds between N-acetylmuramic acid and N-acetylglucosamine residues in peptidoglycan. May play a role in recycling of muropeptides during cell elongation and/or cell division. (361 aa)
nlpDActivator of AmiC murein hydrolase activity, lipoprotein; Activator of the cell wall hydrolase AmiC. Required for septal murein cleavage and daughter cell separation during cell division. (379 aa)
ygdIDUF903 family verified lipoprotein. (75 aa)
mltAMembrane-bound lytic murein transglycosylase A; Murein-degrading enzyme. May play a role in recycling of muropeptides during cell elongation and/or cell division. Degrades murein glycan strands and insoluble, high-molecular weight murein sacculi. (365 aa)
ygdRDUF903 family verified lipoprotein. (72 aa)
ygeRtRNA-Gly; Anticodon: CCC; Belongs to the peptidase M23B family. (251 aa)
loiPPhe-Phe periplasmic metalloprotease, OM lipoprotein; Metalloprotease that cleaves substrates preferentially between Phe-Phe residues. Plays a role in response to some stress conditions. Seems to regulate the expression of speB. (252 aa)
mltCMembrane-bound lytic murein transglycosylase C; Murein-degrading enzyme. May play a role in recycling of muropeptides during cell elongation and/or cell division. Belongs to the transglycosylase Slt family. (359 aa)
yghGLipoprotein YghG; Involved in a type II secretion system (T2SS, formerly general secretion pathway, GSP) for the export of folded proteins across the outer membrane. In a functional T2SS this subunit helps assemble the outer membrane channel; Belongs to the GspS/AspS pilotin family. (136 aa)
yqhHOuter membrane lipoprotein, Lpp paralog. (85 aa)
lpoAOM lipoprotein stimulator of MrcA transpeptidase; Regulator of peptidoglycan synthesis that is essential for the function of penicillin-binding protein 1A (PBP1a). Stimulates transpeptidase activity of PBP1a in vitro. (678 aa)
nlpILipoprotein involved in osmotic sensitivity and filamentation; May be involved in cell division. May play a role in bacterial septation or regulation of cell wall degradation during cell division. Negatively controls the production of extracellular DNA (eDNA). (294 aa)
acrECytoplasmic membrane lipoprotein; Part of the tripartite efflux system AcrEF-TolC. Involved in the efflux of indole and organic solvents. Belongs to the membrane fusion protein (MFP) (TC 8.A.1) family. (385 aa)
slpOuter membrane lipoprotein; The induction of Slp may help to stabilize the outer membrane during carbon starvation and stationary phase. (188 aa)
mdtEAnaerobic multidrug efflux transporter, ArcA-regulated; Part of the tripartite efflux system MdtEF-TolC, which confers resistance to compounds such as rhodamine 6G, erythromycin, doxorubicin, ethidium bromide, TPP, SDS, deoxycholate, crystal violet and benzalkonium; Belongs to the membrane fusion protein (MFP) (TC 8.A.1) family. (385 aa)
yiaDMulticopy suppressor of bamB; Suppresses temperature-sensitive mutations in BamB when overexpressed. (219 aa)
nlpACytoplasmic membrane lipoprotein-28; Lipoprotein-28. (272 aa)
yjbFExtracellular polysaccharide production lipoprotein. (212 aa)
yjbHDUF940 family extracellular polysaccharide protein. (698 aa)
mdtPOuter membrane factor of efflux pump; Could be involved in resistance to puromycin, acriflavine and tetraphenylarsonium chloride. (488 aa)
blcOuter membrane lipoprotein cell division and growth lipocalin; Involved in the storage or transport of lipids necessary for membrane maintenance under stressful conditions. Displays a binding preference for lysophospholipids; Belongs to the calycin superfamily. Lipocalin family. (177 aa)
bsmABioflm peroxide resistance protein; Involved in protection of biofilms against oxidative stress. Belongs to the BhsA/McbA family. (109 aa)
ecnAEntericidin A membrane lipoprotein, antidote entericidin B; Acts as antidote to the effect of entericidin B; Belongs to the EcnA/EcnB lipoprotein family. (41 aa)
ecnBEntericidin B membrane lipoprotein; Plays a role in the bacteriolysis. Is activated under conditions of high osmolarity by the factor sigma S. Entericidin A functions as an antidote; Belongs to the EcnA/EcnB lipoprotein family. (48 aa)
sslEPutative secreted and surface-associated lipoprotein mucinase; Involved in a type II secretion system (T2SS, formerly general secretion pathway, GSP) for the export of folded proteins across the outer membrane. (1520 aa)
rzoDDLP12 prophage; Component of the spanin complex that disrupts the outer membrane and causes cell lysis during virus exit. The spanin complex conducts the final step in cell lysis by disrupting the outer membrane after holin and endolysin action have permeabilized the inner membrane and degraded the host peptidoglycans (By similarity); Belongs to the lambdalikevirus o-spanin family. (60 aa)
rzoRProphage outer membrane lipoprotein RzoR; Component of the spanin complex that disrupts the outer membrane and causes cell lysis during virus exit. The spanin complex conducts the final step in cell lysis by disrupting the outer membrane after holin and endolysin action have permeabilized the inner membrane and degraded the host peptidoglycans (By similarity). (61 aa)
ysaBUncharacterized protein. (99 aa)
yifLPutative lipoprotein. (67 aa)
ytcAPutative inner membrane efflux pump-associated DUF1656 family protein. (91 aa)
rzoQPutative Rz1-like lipoprotein, Qin prophage; Completely contained in another CDS. (84 aa)
Your Current Organism:
Escherichia coli K12
NCBI taxonomy Id: 511145
Other names: E. coli str. K-12 substr. MG1655, Escherichia coli MG1655, Escherichia coli str. K-12 substr. MG1655, Escherichia coli str. K12 substr. MG1655, Escherichia coli str. MG1655, Escherichia coli strain MG1655
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