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araD araD dapB dapB ileS ileS dnaK dnaK argS argS sms sms trpS-2 trpS-2 valS valS efp efp groES groES dnaB dnaB lexA lexA murB murB ilvD ilvD polA polA rbsB rbsB atpF atpF atpH atpH atpD atpD pstA pstA yidC yidC dnaA dnaA recF recF ilvB ilvB dut dut dppD dppD livK livK trpS trpS rpsE rpsE prlA prlA rplM rplM murA murA yneA yneA ygjD ygjD pgk pgk lysA lysA relA relA mazG mazG pyrG pyrG recN recN grpE grpE trmD trmD clpB clpB tadA tadA hisS hisS guaB guaB guaA guaA ppk ppk dapA dapA nfo nfo hisF hisF hisD hisD ruvA ruvA purT purT pheS pheS pheT pheT sufD sufD sapF sapF pyrF pyrF topA topA rpmF rpmF aroG aroG sdhA sdhA leuS leuS yajC yajC proS proS frr frr dapD dapD aroP aroP murE murE leuB leuB leuC leuC leuD leuD
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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
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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araDL-ribulose-5-phosphate 4-epimerase; Involved in the degradation of L-arabinose. Catalyzes the interconversion of L-ribulose 5-phosphate (LRu5P) and D-xylulose 5- phosphate (D-Xu5P) via a retroaldol/aldol mechanism (carbon-carbon bond cleavage analogous to a class II aldolase reaction). (231 aa)
dapBDihydrodipicolinate reductase; Catalyzes the conversion of 4-hydroxy-tetrahydrodipicolinate (HTPA) to tetrahydrodipicolinate; Belongs to the DapB family. (273 aa)
ileSisoleucyl-tRNA synthetase; Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile). Belongs to the class-I aminoacyl-tRNA synthetase family. IleS type 1 subfamily. (922 aa)
dnaKMolecular chaperone DnaK; Acts as a chaperone; Belongs to the heat shock protein 70 family. (638 aa)
argSarginyl-tRNA synthetase. (577 aa)
smsProbable ATP-dependent protease; DNA-dependent ATPase involved in processing of recombination intermediates, plays a role in repairing DNA breaks. Stimulates the branch migration of RecA-mediated strand transfer reactions, allowing the 3' invading strand to extend heteroduplex DNA faster. Binds ssDNA in the presence of ADP but not other nucleotides, has ATPase activity that is stimulated by ssDNA and various branched DNA structures, but inhibited by SSB. Does not have RecA's homology-searching function. (460 aa)
trpS-2Putative tryptophanyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (335 aa)
valSvalyl-tRNA synthetase; Catalyzes the attachment of valine to tRNA(Val). As ValRS can inadvertently accommodate and process structurally similar amino acids such as threonine, to avoid such errors, it has a 'posttransfer' editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA- dependent manner; Belongs to the class-I aminoacyl-tRNA synthetase family. ValS type 1 subfamily. (951 aa)
efpElongation factor P; Involved in peptide bond synthesis. Alleviates ribosome stalling that occurs when 3 or more consecutive Pro residues or the sequence PPG is present in a protein, possibly by augmenting the peptidyl transferase activity of the ribosome. Modification of Lys-34 is required for alleviation; Belongs to the elongation factor P family. (188 aa)
groESCo-chaperonin GroES; Binds to Cpn60 in the presence of Mg-ATP and suppresses the ATPase activity of the latter. (97 aa)
dnaBReplicative DNA helicase; Participates in initiation and elongation during chromosome replication; it exhibits DNA-dependent ATPase activity and contains distinct active sites for ATP binding, DNA binding, and interaction with DnaC protein, primase, and other prepriming proteins. Belongs to the helicase family. DnaB subfamily. (471 aa)
lexALexA repressor; Represses a number of genes involved in the response to DNA damage (SOS response), including recA and lexA. Binds to the 16 bp palindromic sequence 5'-CTGTATATATATACAG-3'. In the presence of single- stranded DNA, RecA interacts with LexA causing an autocatalytic cleavage which disrupts the DNA-binding part of LexA, leading to derepression of the SOS regulon and eventually DNA repair. (202 aa)
murBUDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. (342 aa)
ilvDDihydroxy-acid dehydratase; Belongs to the IlvD/Edd family. (616 aa)
polADNA polymerase I; In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity; Belongs to the DNA polymerase type-A family. (930 aa)
rbsBD-ribose periplasmic binding protein. (296 aa)
atpFATP synthase subunit B; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (154 aa)
atpHATP synthase subunit D; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation; Belongs to the ATPase delta chain family. (177 aa)
atpDATP synthase subunit B; Produces ATP from ADP in the presence of a proton gradient across the membrane. The catalytic sites are hosted primarily by the beta subunits; Belongs to the ATPase alpha/beta chains family. (460 aa)
pstAHigh-affinity phosphate transport protein (ABC superfamily, membrane). (296 aa)
yidCInner membrane protein translocase component YidC; Required for the insertion and/or proper folding and/or complex formation of integral membrane proteins into the membrane. Involved in integration of membrane proteins that insert both dependently and independently of the Sec translocase complex, as well as at least some lipoproteins. Aids folding of multispanning membrane proteins. (548 aa)
dnaAChromosomal replication initiation protein; Plays an important role in the initiation and regulation of chromosomal replication. Binds to the origin of replication; it binds specifically double-stranded DNA at a 9 bp consensus (dnaA box): 5'- TTATC[CA]A[CA]A-3'. DnaA binds to ATP and to acidic phospholipids. Belongs to the DnaA family. (444 aa)
recFRecombination protein F; The RecF protein is involved in DNA metabolism; it is required for DNA replication and normal SOS inducibility. RecF binds preferentially to single-stranded, linear DNA. It also seems to bind ATP. (357 aa)
ilvBAcetolactate synthase large subunit. (552 aa)
dutDeoxyuridine 5'-triphosphate nucleotidohydrolase; This enzyme is involved in nucleotide metabolism: it produces dUMP, the immediate precursor of thymidine nucleotides and it decreases the intracellular concentration of dUTP so that uracil cannot be incorporated into DNA; Belongs to the dUTPase family. (152 aa)
dppDDipeptide transport protein (ABC superfamily, atp_bind); Belongs to the ABC transporter superfamily. (327 aa)
livKHigh-affinity branched-chain amino acid transport protein (ABC superfamily, peri_bind). (369 aa)
trpStryptophanyl-tRNA synthetase; Catalyzes the attachment of tryptophan to tRNA(Trp). Belongs to the class-I aminoacyl-tRNA synthetase family. (334 aa)
rpsE30S ribosomal protein S5; With S4 and S12 plays an important role in translational accuracy; Belongs to the universal ribosomal protein uS5 family. (167 aa)
prlAPreprotein translocase SecY; The central subunit of the protein translocation channel SecYEG. Consists of two halves formed by TMs 1-5 and 6-10. These two domains form a lateral gate at the front which open onto the bilayer between TMs 2 and 7, and are clamped together by SecE at the back. The channel is closed by both a pore ring composed of hydrophobic SecY resides and a short helix (helix 2A) on the extracellular side of the membrane which forms a plug. The plug probably moves laterally to allow the channel to open. The ring and the pore may move independently. (443 aa)
rplM50S ribosomal protein L13; This protein is one of the early assembly proteins of the 50S ribosomal subunit, although it is not seen to bind rRNA by itself. It is important during the early stages of 50S assembly. (142 aa)
murAUDP-N-acetylglucosamine 1-carboxyvinyltransferase; Cell wall formation. Adds enolpyruvyl to UDP-N- acetylglucosamine; Belongs to the EPSP synthase family. MurA subfamily. (419 aa)
yneAPutative LACI-type transcriptional regulator; Part of the ABC transporter complex LsrABCD involved in autoinducer 2 (AI-2) import. Binds AI-2 and delivers it to the LsrC and LsrD permeases (By similarity). (333 aa)
ygjDPutative O-sialoglycoprotein endopeptidase; Required for the formation of a threonylcarbamoyl group on adenosine at position 37 (t(6)A37) in tRNAs that read codons beginning with adenine. Is involved in the transfer of the threonylcarbamoyl moiety of threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37, together with TsaE and TsaB. TsaD likely plays a direct catalytic role in this reaction; Belongs to the KAE1 / TsaD family. (337 aa)
pgkPhosphoglycerate kinase; Belongs to the phosphoglycerate kinase family. (382 aa)
lysADiaminopimelate decarboxylase; Specifically catalyzes the decarboxylation of meso- diaminopimelate (meso-DAP) to L-lysine. (420 aa)
relA(p)ppGpp synthetase I (GTP pyrophosphokinase); In eubacteria ppGpp (guanosine 3'-diphosphate 5-' diphosphate) is a mediator of the stringent response that coordinates a variety of cellular activities in response to changes in nutritional abundance. (745 aa)
mazGHypothetical protein. (263 aa)
pyrGCTP synthetase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates. (545 aa)
recNProtein used in recombination and DNA repair; May be involved in recombinational repair of damaged DNA. (553 aa)
grpEHsp 24 nucleotide exchange factor; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins, in association with DnaK and GrpE. It is the nucleotide exchange factor for DnaK and may function as a thermosensor. Unfolded proteins bind initially to DnaJ; upon interaction with the DnaJ-bound protein, DnaK hydrolyzes its bound ATP, resulting in the formation of a stable complex. GrpE releases ADP from DnaK; ATP binding to DnaK triggers the release of the substrate protein, thus completing the reaction cycle. Several roun [...] (196 aa)
trmDtRNA (guanine-N(1)-)-methyltransferase; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family. (255 aa)
clpBATP-dependent protease, Hsp 100; Part of a stress-induced multi-chaperone system, it is involved in the recovery of the cell from heat-induced damage, in cooperation with DnaK, DnaJ and GrpE; Belongs to the ClpA/ClpB family. (857 aa)
tadAtRNA-specific adenosine deaminase; Catalyzes the deamination of adenosine to inosine at the wobble position 34 of tRNA(Arg2); Belongs to the cytidine and deoxycytidylate deaminase family. (172 aa)
hisShistidyl-tRNA synthetase. (414 aa)
guaBInositol-5-monophosphate dehydrogenase; Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth. Belongs to the IMPDH/GMPR family. (488 aa)
guaABifunctional GMP synthase/glutamine amidotransferase protein; Catalyzes the synthesis of GMP from XMP. (525 aa)
ppkPolyphosphate kinase; Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP). Belongs to the polyphosphate kinase 1 (PPK1) family. (686 aa)
dapADihydrodipicolinate synthase; Catalyzes the condensation of (S)-aspartate-beta-semialdehyde [(S)-ASA] and pyruvate to 4-hydroxy-tetrahydrodipicolinate (HTPA). (292 aa)
nfoEndonuclease IV; Endonuclease IV plays a role in DNA repair. It cleaves phosphodiester bonds at apurinic or apyrimidinic (AP) sites, generating a 3'-hydroxyl group and a 5'-terminal sugar phosphate. (284 aa)
hisFImidazole glycerol phosphate synthase subunit HisF; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisF subunit catalyzes the cyclization activity that produces IGP and AICAR from PRFAR using the ammonia provided by the HisH subunit. (258 aa)
hisDHistidinol dehydrogenase; Catalyzes the sequential NAD-dependent oxidations of L- histidinol to L-histidinaldehyde and then to L-histidine. (434 aa)
ruvAHolliday junction DNA helicase motor protein; The RuvA-RuvB complex in the presence of ATP renatures cruciform structure in supercoiled DNA with palindromic sequence, indicating that it may promote strand exchange reactions in homologous recombination. RuvAB is a helicase that mediates the Holliday junction migration by localized denaturation and reannealing. RuvA stimulates, in the presence of DNA, the weak ATPase activity of RuvB. (203 aa)
purT5'-phosphoribosylglycinamide transformylase; Involved in the de novo purine biosynthesis. Catalyzes the transfer of formate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR). Formate is provided by PurU via hydrolysis of 10-formyl-tetrahydrofolate; Belongs to the PurK/PurT family. (392 aa)
pheSphenylalanyl-tRNA synthetase alpha subunit; Belongs to the class-II aminoacyl-tRNA synthetase family. Phe-tRNA synthetase alpha subunit type 1 subfamily. (327 aa)
pheTphenylalanyl-tRNA synthetase beta subunit; Belongs to the phenylalanyl-tRNA synthetase beta subunit family. Type 1 subfamily. (795 aa)
sufDRequired for stability of iron-sulfur component of FhuF. (424 aa)
sapFPeptide transport protein (ABC superfamily, atp_bind). (269 aa)
pyrFOrotidine 5'-phosphate decarboxylase; Catalyzes the decarboxylation of orotidine 5'-monophosphate (OMP) to uridine 5'-monophosphate (UMP); Belongs to the OMP decarboxylase family. Type 1 subfamily. (228 aa)
topADNA topoisomerase I; Releases the supercoiling and torsional tension of DNA, which is introduced during the DNA replication and transcription, by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA- (5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand then undergoes passage around the unbroken strand, thus removing DNA supe [...] (865 aa)
rpmF50S ribosomal protein L32; Belongs to the bacterial ribosomal protein bL32 family. (57 aa)
aroG3-deoxy-7-phosphoheptulonate synthase; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP). (350 aa)
sdhASuccinate dehydrogenase catalytic subunit; Belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. (588 aa)
leuSleucyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (860 aa)
yajCPreprotein translocase subunit YajC; The SecYEG-SecDF-YajC-YidC holo-translocon (HTL) protein secretase/insertase is a supercomplex required for protein secretion, insertion of proteins into membranes, and assembly of membrane protein complexes. While the SecYEG complex is essential for assembly of a number of proteins and complexes, the SecDF-YajC-YidC subcomplex facilitates these functions. (110 aa)
proSprolyl-tRNA synthetase; Catalyzes the attachment of proline to tRNA(Pro) in a two- step reaction: proline is first activated by ATP to form Pro-AMP and then transferred to the acceptor end of tRNA(Pro). As ProRS can inadvertently accommodate and process non-cognate amino acids such as alanine and cysteine, to avoid such errors it has two additional distinct editing activities against alanine. One activity is designated as 'pretransfer' editing and involves the tRNA(Pro)-independent hydrolysis of activated Ala-AMP. The other activity is designated 'posttransfer' editing and involves dea [...] (572 aa)
frrRibosome releasing factor; Responsible for the release of ribosomes from messenger RNA at the termination of protein biosynthesis. May increase the efficiency of translation by recycling ribosomes from one round of translation to another; Belongs to the RRF family. (173 aa)
dapD2,3,4,5-tetrahydropyridine-2-carboxylate N-succinyltransferase; Belongs to the transferase hexapeptide repeat family. (274 aa)
aroPAromatic amino acid transport protein. (456 aa)
murEUDP-N-acetylmuramoylalanyl-D-glutamate--2, 6-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. Belongs to the MurCDEF family. MurE subfamily. (495 aa)
leuB3-isopropylmalate dehydrogenase; Catalyzes the oxidation of 3-carboxy-2-hydroxy-4- methylpentanoate (3-isopropylmalate) to 3-carboxy-4-methyl-2- oxopentanoate. The product decarboxylates to 4-methyl-2 oxopentanoate. (363 aa)
leuCIsopropylmalate isomerase large subunit; Catalyzes the isomerization between 2-isopropylmalate and 3- isopropylmalate, via the formation of 2-isopropylmaleate. (466 aa)
leuDIsopropylmalate isomerase small subunit; Catalyzes the isomerization between 2-isopropylmalate and 3- isopropylmalate, via the formation of 2-isopropylmaleate. Belongs to the LeuD family. LeuD type 1 subfamily. (201 aa)
Your Current Organism:
Klebsiella pneumoniae MGH78578
NCBI taxonomy Id: 272620
Other names: K. pneumoniae subsp. pneumoniae MGH 78578, Klebsiella pneumoniae MCG 78578, Klebsiella pneumoniae str. MCG 78578, Klebsiella pneumoniae subsp. pneumoniae ATCC 700721, Klebsiella pneumoniae subsp. pneumoniae MGH 78578, Klebsiella pneumoniae subsp. pneumoniae str. MGH 78578, Klebsiella pneumoniae subsp. pneumoniae strain MGH 78578
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