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mraZ mraZ rsmH rsmH ftsL ftsL ftsI ftsI murE murE murF murF mraY mraY murD murD ftsW ftsW murG murG murC murC ddlB ddlB ftsQ ftsQ ftsA ftsA ftsZ ftsZ mrcB mrcB ddlA ddlA mrdB mrdB mrdA mrdA ftsK ftsK zipA zipA amiA amiA rodZ rodZ nlpD nlpD ftsB ftsB amiC amiC ygeR ygeR murA murA mreD mreD mreC mreC mreB mreB mrcA mrcA ftsX ftsX ftsE ftsE envC envC yibQ yibQ ftsN ftsN murI murI murB murB alr alr amiB amiB
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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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experimentally determined
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mraZRsmH methytransferase inhibitor; Negatively regulates its own expression and that of the subsequent genes in the proximal part of the division and cell wall (dcw) gene cluster. Acts by binding directly to DNA. May also regulate the expression of genes outside the dcw cluster; Belongs to the MraZ family. (152 aa)
rsmH16S rRNA m(4)C1402 methyltransferase, SAM-dependent; Specifically methylates the N4 position of cytidine in position 1402 (C1402) of 16S rRNA. In vitro, active on the assembled 30S subunit, but not naked 16S rRNA or 70S ribosomes. (313 aa)
ftsLMembrane bound cell division leucine zipper septum protein; Essential cell division protein. May link together the upstream cell division proteins, which are predominantly cytoplasmic, with the downstream cell division proteins, which are predominantly periplasmic. Can also mediate Zn(2+)-sensitivity probably by increasing the permeability of the inner membrane. Belongs to the FtsL family. (121 aa)
ftsITranspeptidase involved in septal peptidoglycan synthesis; Essential cell division protein that catalyzes cross-linking of the peptidoglycan cell wall at the division septum. Required for localization of FtsN. Belongs to the transpeptidase family. FtsI subfamily. (588 aa)
murEUDP-N-acetylmuramoyl-L-alanyl-D-glutamate:meso- diaminopimelate ligase; Catalyzes the addition of meso-diaminopimelic acid to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanyl-D-glutamate (UMAG) in the biosynthesis of bacterial cell-wall peptidoglycan. Is also able to use many meso-diaminopimelate analogs as substrates, although much less efficiently, but not L-lysine. (495 aa)
murFUDP-N-acetylmuramoyl-tripeptide:D-alanyl-D- alanine ligase; Involved in cell wall formation. Catalyzes the final step in the synthesis of UDP-N-acetylmuramoyl-pentapeptide, the precursor of murein. (452 aa)
mraYphospho-N-acetylmuramoyl-pentapeptide transferase; First step of the lipid cycle reactions in the biosynthesis of the cell wall peptidoglycan. (360 aa)
murDUDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase; Cell wall formation. Catalyzes the addition of glutamate to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanine (UMA). (438 aa)
ftsWPutative lipid II flippase; Peptidoglycan polymerase that is essential for cell division (Probable). Functions probably in conjunction with the penicillin- binding protein 3 (ftsI). Required for localization of FtsI. (414 aa)
murGN-acetylglucosaminyl transferase; 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). (355 aa)
murCUDP-N-acetylmuramate:L-alanine ligase; Cell wall formation; Belongs to the MurCDEF family. (491 aa)
ddlBD-alanine:D-alanine ligase; Cell wall formation; Belongs to the D-alanine--D-alanine ligase family. (306 aa)
ftsQDivisome assembly protein, membrane anchored protein involved in growth of wall at septum; Essential cell division protein. May link together the upstream cell division proteins, which are predominantly cytoplasmic, with the downstream cell division proteins, which are predominantly periplasmic. May control correct divisome assembly. Belongs to the FtsQ/DivIB family. FtsQ subfamily. (276 aa)
ftsAATP-binding cell division FtsK recruitment protein; Essential cell division protein that assists in the assembly of the Z ring. May serve as the principal membrane anchor for the Z ring. Also required for the recruitment to the septal ring of the downstream cell division proteins FtsK, FtsQ, FtsL, FtsI and FtsN. Binds ATP. (420 aa)
ftsZGTP-binding tubulin-like cell division protein; Essential cell division protein that forms a contractile ring structure (Z ring) at the future cell division site. The regulation of the ring assembly controls the timing and the location of cell division. One of the functions of the FtsZ ring is to recruit other cell division proteins to the septum to produce a new cell wall between the dividing cells. Binds GTP and shows GTPase activity. Polymerization and bundle formation is enhanced by CbeA. (383 aa)
mrcBFused glycosyl transferase and transpeptidase; Cell wall formation. Synthesis of cross-linked peptidoglycan from the lipid intermediates. The enzyme has a penicillin-insensitive transglycosylase N-terminal domain (formation of linear glycan strands) and a penicillin-sensitive transpeptidase C-terminal domain (cross- linking of the peptide subunits); In the N-terminal section; belongs to the glycosyltransferase 51 family. (844 aa)
ddlAD-alanine-D-alanine ligase A; Cell wall formation. (364 aa)
mrdBCell wall shape-determining protein; Peptidoglycan polymerase that is essential for cell wall elongation. Also required for the maintenance of the rod cell shape. Functions probably in conjunction with the penicillin-binding protein 2 (mrdA). (370 aa)
mrdAPenicillin-binding protein 2, transpeptidase involved in peptidoglycan synthesis; Catalyzes cross-linking of the peptidoglycan cell wall. Responsible for the determination of the rod shape of the cell. Is probably required for lateral peptidoglycan synthesis and maintenance of the correct diameter during lateral and centripetal growth. Belongs to the transpeptidase family. MrdA subfamily. (633 aa)
ftsKDNA translocase at septal ring sorting daughter chromsomes; Essential cell division protein that coordinates cell division and chromosome segregation. The N-terminus is involved in assembly of the cell-division machinery. The C-terminus functions as a DNA motor that moves dsDNA in an ATP-dependent manner towards the dif recombination site, which is located within the replication terminus region. Translocation stops specifically at Xer-dif sites, where FtsK interacts with the Xer recombinase, allowing activation of chromosome unlinking by recombination. FtsK orienting polar sequences (K [...] (1329 aa)
zipAFtsZ stabilizer; Essential cell division protein that stabilizes the FtsZ protofilaments by cross-linking them and that serves as a cytoplasmic membrane anchor for the Z ring. Also required for the recruitment to the septal ring of the downstream cell division proteins FtsK, FtsQ, FtsL and FtsN. ZipA overproduction protects FtsZ from degradation by ClpP by preventing recognition by ClpX. Does not affect the GTPase activity of FtsZ. (328 aa)
amiAN-acetylmuramoyl-l-alanine amidase I; Cell-wall hydrolase involved in septum cleavage during cell division. Can also act as powerful autolysin in the presence of murein synthesis inhibitors. (289 aa)
rodZMreB assembly cytoskeletal protein; Cytoskeletal protein that is involved in cell-shape control through regulation of the length of the long axis. Belongs to the RodZ family. (337 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)
ftsBCell division protein; Essential cell division protein. May link together the upstream cell division proteins, which are predominantly cytoplasmic, with the downstream cell division proteins, which are predominantly periplasmic. (103 aa)
amiCN-acetylmuramoyl-L-alanine amidase; Cell-wall hydrolase involved in septum cleavage during cell division. Can also act as powerful autolysin in the presence of murein synthesis inhibitors; Belongs to the N-acetylmuramoyl-L-alanine amidase 3 family. (417 aa)
ygeRtRNA-Gly; Anticodon: CCC; Belongs to the peptidase M23B family. (251 aa)
murAUDP-N-acetylglucosamine 1-carboxyvinyltransferase; Cell wall formation. Adds enolpyruvyl to UDP-N-acetylglucosamine. Target for the antibiotic fosfomycin; Belongs to the EPSP synthase family. MurA subfamily. (419 aa)
mreDCell wall structural complex MreBCD transmembrane component MreD; Involved in formation of the rod shape of the cell. May also contribute to regulation of formation of penicillin-binding proteins; Belongs to the MreD family. (162 aa)
mreCCell wall structural complex MreBCD transmembrane component MreC; Involved in formation and maintenance of cell shape. Responsible for formation of rod shape. May also contribute to regulation of formation of penicillin-binding proteins. Belongs to the MreC family. (367 aa)
mreBCell wall structural complex MreBCD, actin-like component MreB; Forms membrane-associated dynamic filaments that are essential for cell shape determination. Acts by regulating cell wall synthesis and cell elongation, and thus cell shape. A feedback loop between cell geometry and MreB localization maintains elongated cell shape by targeting cell wall growth to regions of negative cell wall curvature. Filaments rotate around the cell circumference in concert with the cell wall synthesis enzymes. The process is driven by the cell wall synthesis machinery and does not depend on MreB polyme [...] (347 aa)
mrcAPenicillin-binding protein 1a, murein transglycosylase and transpeptidase; Cell wall formation. Synthesis of cross-linked peptidoglycan from the lipid intermediates. The enzyme has a penicillin-insensitive transglycosylase N-terminal domain (formation of linear glycan strands) and a penicillin-sensitive transpeptidase C-terminal domain (cross- linking of the peptide subunits); In the N-terminal section; belongs to the glycosyltransferase 51 family. (850 aa)
ftsXPutative ABC transporter permease; Part of the ABC transporter FtsEX involved in cellular division. Important for assembly or stability of the septal ring. Encoded in an operon consisting of genes ftsY, ftsE and ftsX. Belongs to the ABC-4 integral membrane protein family. FtsX subfamily. (352 aa)
ftsECell division ATP-binding protein; Part of the ABC transporter FtsEX involved in cellular division. Important for assembly or stability of the septal ring. (222 aa)
envCActivator of AmiB,C murein hydrolases, septal ring factor; Activator of the cell wall hydrolases AmiA and AmiB. Required for septal murein cleavage and daughter cell separation during cell division. In vitro, exhibits weak endoproteolytic activity on beta- casein. (419 aa)
yibQPutative polysaccharide deacetylase; To H.influenzae HI_0755. (319 aa)
ftsNEssential cell division protein; Essential cell division protein that activates septal peptidoglycan synthesis and constriction of the cell. Acts on both sides of the membrane, via interaction with FtsA in the cytoplasm and interaction with the FtsQBL complex in the periplasm. These interactions may induce a conformational switch in both FtsA and FtsQBL, leading to septal peptidoglycan synthesis by FtsI and associated synthases (Probable). Required for full FtsI activity. Required for recruitment of AmiC to the septal ring. Belongs to the FtsN family. (319 aa)
murIGlutamate racemase; Provides the (R)-glutamate required for cell wall biosynthesis. Belongs to the aspartate/glutamate racemases family. (285 aa)
murBUDP-N-acetylenolpyruvoylglucosamine reductase, FAD-binding; Cell wall formation; Belongs to the MurB family. (342 aa)
alrAlanine racemase, biosynthetic, PLP-binding; Catalyzes the interconversion of L-alanine and D-alanine. Provides the D-alanine required for cell wall biosynthesis. (359 aa)
amiBN-acetylmuramoyl-l-alanine amidase II; Cell-wall hydrolase involved in septum cleavage during cell division. Can also act as powerful autolysin in the presence of murein synthesis inhibitors. (445 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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