GenomeNet

Database: UniProt
Entry: A3IYC0_9CHRO
LinkDB: A3IYC0_9CHRO
Original site: A3IYC0_9CHRO 
ID   A3IYC0_9CHRO            Unreviewed;       363 AA.
AC   A3IYC0;
DT   03-APR-2007, integrated into UniProtKB/TrEMBL.
DT   03-APR-2007, sequence version 1.
DT   24-JAN-2024, entry version 84.
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=CY0110_06539 {ECO:0000313|EMBL:EAZ88528.1};
OS   Crocosphaera chwakensis CCY0110.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC   Chroococcales; Aphanothecaceae; Crocosphaera; Crocosphaera chwakensis.
OX   NCBI_TaxID=391612 {ECO:0000313|EMBL:EAZ88528.1, ECO:0000313|Proteomes:UP000003781};
RN   [1] {ECO:0000313|EMBL:EAZ88528.1, ECO:0000313|Proteomes:UP000003781}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCY0110 {ECO:0000313|EMBL:EAZ88528.1,
RC   ECO:0000313|Proteomes:UP000003781};
RA   Stal L., Ferriera S., Johnson J., Kravitz S., Beeson K., Sutton G.,
RA   Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RL   Submitted (MAR-2007) 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:EAZ88528.1}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AAXW01000078; EAZ88528.1; -; Genomic_DNA.
DR   RefSeq; WP_008278383.1; NZ_AAXW01000078.1.
DR   AlphaFoldDB; A3IYC0; -.
DR   eggNOG; COG2201; Bacteria.
DR   OrthoDB; 9793421at2; -.
DR   Proteomes; UP000003781; 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|HAMAP-Rule:MF_00099, ECO:0000256|PROSITE-
KW   ProRule:PRU00050};
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|HAMAP-Rule:MF_00099, ECO:0000256|PROSITE-
KW   ProRule:PRU00169}.
FT   DOMAIN          7..125
FT                   /note="Response regulatory"
FT                   /evidence="ECO:0000259|PROSITE:PS50110"
FT   DOMAIN          172..352
FT                   /note="CheB-type methylesterase"
FT                   /evidence="ECO:0000259|PROSITE:PS50122"
FT   ACT_SITE        184
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00050"
FT   ACT_SITE        211
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00050"
FT   ACT_SITE        304
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00050"
FT   MOD_RES         58
FT                   /note="4-aspartylphosphate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00099,
FT                   ECO:0000256|PROSITE-ProRule:PRU00169"
SQ   SEQUENCE   363 AA;  39047 MW;  48FAFB8CBBF9EACE CRC64;
     MTKPPIKVLL VDDSPVALKI LQRLIDSSSD VQVIATASNG QEALELIPKV NPNVICTDFH
     MKGMDGLALT QKVMTKYPIP ILIISNSVQE DDPGNIFKLL QAGAIDVFPK PITGQDSDYE
     RIKNLLITKI KVLSGVSVFT KSFSQASQPQ LKTLKSVPNS SLNSINPTVD NHRSPIKVVT
     IGASTGGPKA LHQIIAPLPK NFPVPIICTQ HISPGFLEGL VSWLESESQL KIKIAQAGEY
     PVPGTVYFAP DNYHLGLNSQ GQFGHLNSAP VDGHRPSVTA MFESVAKFYR QGTVGVLLTG
     MGRDGARGMN AIAQAGGINI AQDEKSCTVF GMPKEAIALG VVNYVLPLQE IAPFLNKLQR
     VKV
//
DBGET integrated database retrieval system