STRINGSTRING
ftsX ftsX ftsL ftsL ftsI ftsI ftsW ftsW ftsQ ftsQ ftsA ftsA ftsZ ftsZ zapD zapD mrdB mrdB tolQ tolQ tolR tolR tolA tolA tolB tolB pal pal ftsK ftsK zapC zapC murJ murJ yedR yedR dedD dedD zipA zipA dapE dapE yfiN yfiN nlpD nlpD ftsB ftsB queE queE ygeR ygeR zapA zapA ftsP ftsP yraP yraP zapE zapE damX damX ftsE ftsE envC envC zapB zapB ftsN ftsN blr blr ymgF ymgF
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
white nodes:
second shell of interactors
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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
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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)
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)
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)
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)
zapDFtsZ stabilizer; Cell division factor that enhances FtsZ-ring assembly. Directly interacts with FtsZ and promotes bundling of FtsZ protofilaments, with a reduction in FtsZ GTPase activity. (247 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)
tolQMembrane spanning protein in TolA-TolQ-TolR complex; 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. Required, with TolR, for the proton motive force-dependent activation of TolA and for TolA-Pal interaction. Is also involved in the uptake of group A colicins (colicins A, E1, E2, E3, and K) and in the uptake of filamentous phage DNA. The Tol-Pal system is also required for polar localization of chemoreceptors clusters. Belongs to the ExbB/TolQ family. (230 aa)
tolRMembrane spanning protein in TolA-TolQ-TolR complex; 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. Required, with TolQ, for the proton motive force-dependent activation of TolA and for TolA-Pal interaction .The Tol-Pal system is also required for polar localization of chemoreceptors clusters (Probable). There are about 900 TolR molecules per cell. Modeling suggests that non-covalent binding of OmpA (from the outer membrane) and TolR (from the inner membrane) to peptidoglycan [...] (142 aa)
tolAMembrane anchored protein in TolA-TolQ-TolR complex; 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. Is also involved in the uptake of group A colicins (colicins A, E1, E2, E3, and K) and in the uptake of filamentous phage DNA. The Tol-Pal system is also required for polar localization of chemoreceptors clusters. Belongs to the TolA family. (421 aa)
tolBPeriplasmic protein; 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. TolB occupies a key intermediary position in the Tol-Pal system because it communicates directly with both membrane-embedded components, Pal in the outer membrane and TolA in the inner membrane. Is also involved in the uptake of some colicins A. The Tol-Pal system is also required for polar localization of chemoreceptors clusters. (430 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)
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)
zapCFtsZ stabilizer; Contributes to the efficiency of the cell division process by stabilizing the polymeric form of the cell division protein FtsZ. Acts by promoting interactions between FtsZ protofilaments and suppressing the GTPase activity of FtsZ. (180 aa)
murJPutative lipid II flippase; Involved in peptidoglycan biosynthesis. Transports lipid- linked peptidoglycan precursors from the inner to the outer leaflet of the cytoplasmic membrane. Belongs to the MurJ/MviN family. (511 aa)
yedRInner membrane protein. (121 aa)
dedDMembrane-anchored periplasmic protein involved in septation; Non-essential cell division protein that could be required for efficient cell constriction; Belongs to the DedD family. (220 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)
dapEN-succinyl-diaminopimelate deacylase; Catalyzes the hydrolysis of N-succinyl-L,L-diaminopimelic acid (SDAP), forming succinate and LL-2,6-diaminoheptanedioate (DAP), an intermediate involved in the bacterial biosynthesis of lysine and meso-diaminopimelic acid, an essential component of bacterial cell walls; Belongs to the peptidase M20A family. DapE subfamily. (375 aa)
yfiNPutative membrane-anchored diguanylate cyclase; Bifunctional protein that catalyzes the synthesis of cyclic- di-GMP (c-di-GMP) in response to reductive stress and then dynamically relocates to the division site to arrest cell division in response to envelope stress. In the presence of high intracellular c-di-GMP levels, and in response to envelope stress, interacts with cell division proteins and halts cell division, without disassembling the Z ring, but by blocking its further progress toward cytokinesis. Part of a network that regulates cell motility by altering levels of c- di-GMP. (408 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)
queE7-carboxy-7-deazaguanine synthase; Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7- deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds. (223 aa)
ygeRtRNA-Gly; Anticodon: CCC; Belongs to the peptidase M23B family. (251 aa)
zapAFtsZ stabilizer; Activator of cell division through the inhibition of FtsZ GTPase activity, therefore promoting FtsZ assembly into bundles of protofilaments necessary for the formation of the division Z ring. It is recruited early at mid-cell but it is not essential for cell division; Belongs to the ZapA family. Type 1 subfamily. (109 aa)
ftsPSeptal ring component that protects the divisome from stress; Cell division protein that is required for growth during stress conditions. May be involved in protecting or stabilizing the divisomal assembly under conditions of stress. (470 aa)
yraPOuter membrane lipoprotein; Putative periplasmic protein. (191 aa)
zapEDivisome ATPase; Reduces the stability of FtsZ polymers in the presence of ATP. Required for cell division under low-oxygen conditions. Hydrolyzes ATP but not GTP. (375 aa)
damXCell division protein that binds to the septal ring; Non-essential cell division protein. Belongs to the DamX family. (428 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)
zapBFtsZ stabilizer, septal ring assembly factor, cell division stimulator; Non-essential, abundant cell division factor that is required for proper Z-ring formation. It is recruited early to the divisome by direct interaction with FtsZ, stimulating Z-ring assembly and thereby promoting cell division earlier in the cell cycle. Its recruitment to the Z-ring requires functional FtsA or ZipA. Belongs to the ZapB family. (81 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)
blrBeta-lactam resistance membrane protein; Component of the cell division machinery, which is probably involved in the stabilization of the divisome under certain stress conditions. (41 aa)
ymgFInner membrane division septum protein; Could be involved in cell division. May participate in the stabilization of the cell divisome under specific conditions. (72 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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