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Protein

Chemotaxis response regulator protein-glutamate methylesterase 2

Gene

cheB2

Organism
Koribacter versatilis (strain Ellin345)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Involved in the modulation of the chemotaxis system; catalyzes the demethylation of specific methylglutamate residues introduced into the chemoreceptors (methyl-accepting chemotaxis proteins) by CheR.UniRule annotation

Catalytic activityi

Protein L-glutamate O5-methyl ester + H2O = protein L-glutamate + methanol.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei176UniRule annotation1
Active sitei203UniRule annotation1
Active sitei299UniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionHydrolase
Biological processChemotaxis

Names & Taxonomyi

Protein namesi
Recommended name:
Chemotaxis response regulator protein-glutamate methylesterase 2UniRule annotation (EC:3.1.1.61UniRule annotation)
Gene namesi
Name:cheB2UniRule annotation
Ordered Locus Names:Acid345_1770
OrganismiKoribacter versatilis (strain Ellin345)
Taxonomic identifieri204669 [NCBI]
Taxonomic lineageiBacteriaAcidobacteriaAcidobacterialesAcidobacteriaceaeCandidatus Koribacter
Proteomesi
  • UP000002432 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002642541 – 363Chemotaxis response regulator protein-glutamate methylesterase 2Add BLAST363

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei584-aspartylphosphateUniRule annotation1

Post-translational modificationi

Phosphorylated by CheA. Phosphorylation suppresses the inhibitory activity of the N-terminal domain.UniRule annotation

Keywords - PTMi

Phosphoprotein

Interactioni

Protein-protein interaction databases

STRINGi204669.Acid345_1770.

Structurei

3D structure databases

ProteinModelPortaliQ1IQS9.
SMRiQ1IQS9.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini7 – 124Response regulatoryPROSITE-ProRule annotationAdd BLAST118
Domaini160 – 357CheB-type methylesteraseUniRule annotationAdd BLAST198

Domaini

The N-terminal regulatory domain inhibits the activity of the C-terminal effector domain.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105CMP. Bacteria.
COG2201. LUCA.
HOGENOMiHOG000151423.
KOiK03412.
OMAiHAMAQTT.
OrthoDBiPOG091H045J.

Family and domain databases

CDDicd16432. CheB_Rec. 1 hit.
cd00156. REC. 1 hit.
Gene3Di3.40.50.180. 1 hit.
HAMAPiMF_00099. CheB_methylest. 1 hit.
InterProiView protein in InterPro
IPR035909. CheB_C.
IPR011006. CheY-like_superfamily.
IPR008248. Sig_transdc_resp-reg_CheB.
IPR000673. Sig_transdc_resp-reg_Me-estase.
IPR001789. Sig_transdc_resp-reg_receiver.
PfamiView protein in Pfam
PF01339. CheB_methylest. 1 hit.
PF00072. Response_reg. 1 hit.
PIRSFiPIRSF000876. RR_chemtxs_CheB. 1 hit.
SMARTiView protein in SMART
SM00448. REC. 1 hit.
SUPFAMiSSF52172. SSF52172. 1 hit.
SSF52738. SSF52738. 1 hit.
PROSITEiView protein in PROSITE
PS50122. CHEB. 1 hit.
PS50110. RESPONSE_REGULATORY. 1 hit.

Sequencei

Sequence statusi: Complete.

Q1IQS9-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRTTPIRVLV VDDSALMRKM ITQMLQKDPA IEVIGTAMDG AFGLKKIEEL
60 70 80 90 100
RPDVVTLDLE MPNMDGMEML RHITKRGQTP VIVVSAHTTQ GARETFKALQ
110 120 130 140 150
LGAFDFVAKP QEGSSLTLEN VADEIIAKIK VAGAARKPRP QIATVDEALL
160 170 180 190 200
RSARKPARPP VASRTTPSKI IAIGISTGGP NALLFMLSQL PADFAGTILI
210 220 230 240 250
VQHMPEGFTQ MFSNRLAESC AIEVKEAASG DLLLAGRALI CPGNRHMRVR
260 270 280 290 300
RMPMGDVVVL SDEPPVNGHR PSADVLFRSV AQEFGPKVVA LIMTGMGEDG
310 320 330 340 350
ADAIGAVKAA GGLAVAQDEG SSVVFGMPKV AIERGNVNRV VALDALPNLL
360
MVQSAAQRVS SFD
Length:363
Mass (Da):38,701
Last modified:June 13, 2006 - v1
Checksum:iAF7B13C54B72C59A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000360 Genomic DNA. Translation: ABF40771.1.

Genome annotation databases

EnsemblBacteriaiABF40771; ABF40771; Acid345_1770.
KEGGiaba:Acid345_1770.

Similar proteinsi

Entry informationi

Entry nameiCHEB2_KORVE
AccessioniPrimary (citable) accession number: Q1IQS9
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 12, 2006
Last sequence update: June 13, 2006
Last modified: November 22, 2017
This is version 72 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome