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CHEB1_BURL3
ID   CHEB1_BURL3             Reviewed;         334 AA.
AC   Q394I6;
DT   07-MAR-2006, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 91.
DE   RecName: Full=Protein-glutamate methylesterase/protein-glutamine glutaminase 1 {ECO:0000255|HAMAP-Rule:MF_00099};
DE            EC=3.1.1.61 {ECO:0000255|HAMAP-Rule:MF_00099};
DE            EC=3.5.1.44 {ECO:0000255|HAMAP-Rule:MF_00099};
GN   Name=cheB1 {ECO:0000255|HAMAP-Rule:MF_00099};
GN   OrderedLocusNames=Bcep18194_B2017;
OS   Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 /
OS   R18194 / 383).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX   NCBI_TaxID=482957;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA   Vergez L., Schmutz J., Larimer F., Land M., Kyrpides N., Lykidis A.,
RA   Richardson P.;
RT   "Complete sequence of chromosome 2 of Burkholderia sp. 383.";
RL   Submitted (OCT-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Involved in chemotaxis. Part of a chemotaxis signal
CC       transduction system that modulates chemotaxis in response to various
CC       stimuli. Catalyzes the demethylation of specific methylglutamate
CC       residues introduced into the chemoreceptors (methyl-accepting
CC       chemotaxis proteins or MCP) by CheR. Also mediates the irreversible
CC       deamidation of specific glutamine residues to glutamic acid.
CC       {ECO:0000255|HAMAP-Rule:MF_00099}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[protein]-L-glutamate 5-O-methyl ester + H2O = H(+) + L-
CC         glutamyl-[protein] + methanol; Xref=Rhea:RHEA:23236, Rhea:RHEA-
CC         COMP:10208, Rhea:RHEA-COMP:10311, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17790, ChEBI:CHEBI:29973,
CC         ChEBI:CHEBI:82795; EC=3.1.1.61; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00099};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + L-glutaminyl-[protein] = L-glutamyl-[protein] + NH4(+);
CC         Xref=Rhea:RHEA:16441, Rhea:RHEA-COMP:10207, Rhea:RHEA-COMP:10208,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:28938, ChEBI:CHEBI:29973,
CC         ChEBI:CHEBI:30011; EC=3.5.1.44; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00099};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00099}.
CC   -!- DOMAIN: Contains a C-terminal catalytic domain, and an N-terminal
CC       region which modulates catalytic activity. {ECO:0000255|HAMAP-
CC       Rule:MF_00099}.
CC   -!- PTM: Phosphorylated by CheA. Phosphorylation of the N-terminal
CC       regulatory domain activates the methylesterase activity.
CC       {ECO:0000255|HAMAP-Rule:MF_00099}.
CC   -!- SIMILARITY: Belongs to the CheB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00099}.
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DR   EMBL; CP000152; ABB12130.1; -; Genomic_DNA.
DR   RefSeq; WP_011355614.1; NC_007511.1.
DR   AlphaFoldDB; Q394I6; -.
DR   SMR; Q394I6; -.
DR   PRIDE; Q394I6; -.
DR   EnsemblBacteria; ABB12130; ABB12130; Bcep18194_B2017.
DR   GeneID; 45098346; -.
DR   KEGG; bur:Bcep18194_B2017; -.
DR   PATRIC; fig|482957.22.peg.5762; -.
DR   HOGENOM; CLU_000445_51_0_4; -.
DR   OMA; RPCAILI; -.
DR   OrthoDB; 1655418at2; -.
DR   Proteomes; UP000002705; Chromosome 2.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000156; F:phosphorelay response regulator activity; IEA:InterPro.
DR   GO; GO:0008984; F:protein-glutamate methylesterase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0050568; F:protein-glutamine glutaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006935; P:chemotaxis; IEA:UniProtKB-UniRule.
DR   GO; GO:0018277; P:protein deamination; IEA:UniProtKB-UniRule.
DR   GO; GO:0006482; P:protein demethylation; IEA:UniProtKB-UniRule.
DR   CDD; cd16432; CheB_Rec; 1.
DR   Gene3D; 3.40.50.180; -; 1.
DR   HAMAP; MF_00099; CheB_chemtxs; 1.
DR   InterPro; IPR008248; CheB-like.
DR   InterPro; IPR035909; CheB_C.
DR   InterPro; IPR011006; CheY-like_superfamily.
DR   InterPro; IPR000673; Sig_transdc_resp-reg_Me-estase.
DR   InterPro; IPR001789; Sig_transdc_resp-reg_receiver.
DR   Pfam; PF01339; CheB_methylest; 1.
DR   Pfam; PF00072; Response_reg; 1.
DR   PIRSF; PIRSF000876; RR_chemtxs_CheB; 1.
DR   SMART; SM00448; REC; 1.
DR   SUPFAM; SSF52172; SSF52172; 1.
DR   SUPFAM; SSF52738; SSF52738; 1.
DR   PROSITE; PS50122; CHEB; 1.
DR   PROSITE; PS50110; RESPONSE_REGULATORY; 1.
PE   3: Inferred from homology;
KW   Chemotaxis; Cytoplasm; Hydrolase; Phosphoprotein.
FT   CHAIN           1..334
FT                   /note="Protein-glutamate methylesterase/protein-glutamine
FT                   glutaminase 1"
FT                   /id="PRO_0000225449"
FT   DOMAIN          2..120
FT                   /note="Response regulatory"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00099"
FT   DOMAIN          145..334
FT                   /note="CheB-type methylesterase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00099"
FT   ACT_SITE        157
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00099"
FT   ACT_SITE        184
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00099"
FT   ACT_SITE        277
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00099"
FT   MOD_RES         53
FT                   /note="4-aspartylphosphate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00099"
SQ   SEQUENCE   334 AA;  34802 MW;  75A9209A9F46423E CRC64;
     MNIGIVNDLP LAVEAMRRAI ARRPEHRVLW VATDGAQAVE LCAAQPPDVV LMDLIMPKFD
     GIEATRRIMR SERPCAILIV TSCIGANAWR VFEAMGAGAL DAVDTPRLGD GAAGDTTKLL
     LAKIDQIGRL LDAPGGTRLA GTAARAGGGP LIAIGASAGG PGALASILGG LPADFSAPIV
     IVQHVDRAFA EGMAQWLDGQ TPLAVRVARE GDRPQPGVAL LAATDDHLRI TRAGTLEYTR
     EPAATPYRPS VDVFFNSLTE HWPGRVIGVL LTGMGRDGAI GLKALRMKGY HTIAQDEATS
     AVYGMPKAAA TLGAARAILP LGRIAGELAA LARI
 
 
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