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Database: UniProt
Entry: A0A2S5SRX0_9BURK
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ID   A0A2S5SRX0_9BURK        Unreviewed;       363 AA.
AC   A0A2S5SRX0;
DT   18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT   18-JUL-2018, sequence version 1.
DT   27-MAR-2024, entry version 19.
DE   RecName: Full=Protein-glutamate methylesterase/protein-glutamine glutaminase {ECO:0000256|HAMAP-Rule:MF_00099};
DE            EC=3.1.1.61 {ECO:0000256|HAMAP-Rule:MF_00099};
DE            EC=3.5.1.44 {ECO:0000256|HAMAP-Rule:MF_00099};
GN   Name=cheB {ECO:0000256|HAMAP-Rule:MF_00099};
GN   ORFNames=C1704_13700 {ECO:0000313|EMBL:PPE65482.1};
OS   Caldimonas caldifontis.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Sphaerotilaceae; Caldimonas.
OX   NCBI_TaxID=1452508 {ECO:0000313|EMBL:PPE65482.1, ECO:0000313|Proteomes:UP000238605};
RN   [1] {ECO:0000313|EMBL:PPE65482.1, ECO:0000313|Proteomes:UP000238605}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BCRC 80649 {ECO:0000313|EMBL:PPE65482.1,
RC   ECO:0000313|Proteomes:UP000238605};
RA   Tang B.;
RT   "Reclassifiation of [Polyangium] brachysporum DSM 7029 as Guopingzhaonella
RT   breviflexa gen. nov., sp. nov., a member of the family Comamonadaceae.";
RL   Submitted (FEB-2018) 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:0000256|HAMAP-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:0000256|HAMAP-
CC         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;
CC         Evidence={ECO:0000256|ARBA:ARBA00000941, ECO:0000256|HAMAP-
CC         Rule:MF_00099};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00099}.
CC   -!- DOMAIN: Contains a C-terminal catalytic domain, and an N-terminal
CC       region which modulates catalytic activity. {ECO:0000256|HAMAP-
CC       Rule:MF_00099}.
CC   -!- PTM: Phosphorylated by CheA. Phosphorylation of the N-terminal
CC       regulatory domain activates the methylesterase activity.
CC       {ECO:0000256|HAMAP-Rule:MF_00099}.
CC   -!- SIMILARITY: Belongs to the CheB family. {ECO:0000256|HAMAP-
CC       Rule:MF_00099}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:PPE65482.1}.
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DR   EMBL; PSNX01000013; PPE65482.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A2S5SRX0; -.
DR   OrthoDB; 9793421at2; -.
DR   Proteomes; UP000238605; Unassembled WGS sequence.
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   CDD; cd16432; CheB_Rec; 1.
DR   CDD; cd17541; REC_CheB-like; 1.
DR   Gene3D; 3.40.50.2300; -; 1.
DR   Gene3D; 3.40.50.180; Methylesterase CheB, C-terminal domain; 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   PANTHER; PTHR42872; PROTEIN-GLUTAMATE METHYLESTERASE/PROTEIN-GLUTAMINE GLUTAMINASE; 1.
DR   PANTHER; PTHR42872:SF6; PROTEIN-GLUTAMATE METHYLESTERASE_PROTEIN-GLUTAMINE GLUTAMINASE; 1.
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; CheY-like; 1.
DR   SUPFAM; SSF52738; Methylesterase CheB, C-terminal domain; 1.
DR   PROSITE; PS50122; CHEB; 1.
DR   PROSITE; PS50110; RESPONSE_REGULATORY; 1.
PE   3: Inferred from homology;
KW   Chemotaxis {ECO:0000256|ARBA:ARBA00022500, ECO:0000256|HAMAP-
KW   Rule:MF_00099};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00099};
KW   Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00099};
KW   Phosphoprotein {ECO:0000256|ARBA:ARBA00022553, ECO:0000256|HAMAP-
KW   Rule:MF_00099}; Reference proteome {ECO:0000313|Proteomes:UP000238605}.
FT   DOMAIN          5..122
FT                   /note="Response regulatory"
FT                   /evidence="ECO:0000259|PROSITE:PS50110"
FT   DOMAIN          163..355
FT                   /note="CheB-type methylesterase"
FT                   /evidence="ECO:0000259|PROSITE:PS50122"
FT   ACT_SITE        175
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00050"
FT   ACT_SITE        201
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00050"
FT   ACT_SITE        297
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00050"
FT   MOD_RES         56
FT                   /note="4-aspartylphosphate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00169"
SQ   SEQUENCE   363 AA;  38619 MW;  F399CD1D08E6EED0 CRC64;
     MTKIRAVVVD DSALVRSLLT EIINRQPDMQ CVGAAADPYA AREMIRNLNP DVITLDVEMP
     RMDGIDFLSK LMRLRPMPVV MVSTLTERGA DVTLRALELG AIDFVAKPKI GIADGLQQLA
     QEITEKIRVA AKAQVRKLQV PAPAPTTPAA ADSRPVPLQG LGRLSTEKII FIGASTGGTE
     ATRELITALP ADAPAVVITQ HMPAGFTKSY AARLNGLCRI AVKEAQDGER VLPGHAYIAP
     GGHHLSVERS GANYIARVQV GEPVNRHMPS VEVLFKSAAR VVGPNAIGVM LTGMGADGAK
     AMREMRDAGA YCVAQDEASC VVFGMPREAI AAGAVHEVLP LSQIAPHLIE RLRATAGMSL
     NRV
//
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