cheR:On One Page

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Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
Quickview | Gene | Product(s) | Expression| Evolution | References |

Quickview

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Standard Name

cheR

Gene Synonym(s)

ECK1885, b1884, JW1873, cheX[1], cheX

Product Desc.

CHER[2][3]

Chemotaxis MCP protein methyltransferase, SAM-dependent; binds C-terminus of chemoreceptors; makes glutamate methyl esters[4]

Product Synonyms(s)

chemotaxis regulator, protein-glutamate methyltransferase[1], B1884[2][1], CheX[2][1], CheR[2][1] , cheX, ECK1885, JW1873, b1884

Function from GO

<GO_nr />

Knock-Out Phenotype
Regulation/Expression

transcription unit(s): tar-tap-cheRBYZ[2]

Regulation/Activity
Quick Links

porteco.png EcoCyc.gif regulondb.jpg

dnadisplay.png proteindisplay.png   pubmed.jpg   textpresso.jpg  

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Notes

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Overexpression causes filamentous biofilm formation. otherPDB (S .typhimurium): 1AF7, 1BC5. Flagellar regulon.[4]



Gene

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Nomenclature

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See Help:Gene_nomenclature for help with entering information in the Gene Nomenclature table.

Standard name

cheR

Mnemonic

Chemotaxis

Synonyms

ECK1885, b1884, JW1873, cheX[1], cheX

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Notes

Location(s) and DNA Sequence

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<protect> See Help:Gene_location for help entering information in the Gene Location and DNA sequence table.

Strain Map location Genome coordinates Genome browsers Sequence links

MG1655

42.39 minutes 

MG1655: 1967388..1966528
<gbrowseImage> name=NC_000913:1966528..1967388 source=MG1655 preset=GeneLocation </gbrowseImage>

REL606

NC_012967: 1948134..1947274
<gbrowseImage> name=NC_012967:1947274..1948134 source=REL606 preset=GeneLocation </gbrowseImage>

BW2952

NC_012759: 1858587..1859447
<gbrowseImage> name=NC_012759:1858587..1859447 source=BW2952 preset=GeneLocation </gbrowseImage>

W3110

 

W3110: 1971078..1970218
<gbrowseImage> name=NC_007779:1970218..1971078 source=W3110 preset=GeneLocation </gbrowseImage>

DH10B

DH10B: 2057959..2057099
<gbrowseImage> name=NC_010473:2057099..2057959 source=DH10B preset=GeneLocation </gbrowseImage>

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Notes

Sequence Features

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See Help:Gene_sequence_features for help in entering sequence features in EcoliWiki.

Feature Type Strain Genomic Location Evidence Reference Notes

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Notes

Alleles and Phenotypes

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See Help:Gene_alleles for how to enter or edit alleles and phenotypes in EcoliWiki.

Allele Nt change(s) AA change(s) Phenotype: Type Phenotype: Description Reference Availability Comments

ΔcheR (Keio:JW1873)

deletion

deletion

PMID:16738554

Shigen
CGSC9559[5]

cheR::Tn5KAN-2 (FB20488)

Insertion at nt 229 in Minus orientation

PMID:15262929

E. coli Genome Project:FB20488

contains pKD46

ΔcheR737::kan

PMID:16738554

CGSC:100300


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Notes

Genetic Interactions

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Interactor Interaction Allele Score(s) Reference(s) Accessions Notes

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Notes

Genetic Resources

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See Help:Gene_resources for help entering information into the Genetic Resources table.

Resource Resource Type Source Notes/Reference

JW1873

Plasmid clone

Shigen

PMID:16769691

Status:Clone OK

Primer 1:GCCACTTCATCTCTGCCCTGTGG

Primer 2:CCATCCTTACTTAGCGCATACAC

12C7

Kohara Phage

Genobase

PMID:3038334

7F11

Kohara Phage

Genobase

PMID:3038334

eda-51::Tn10

Linked marker

CAG18486 = CGSC7392[5]

est. P1 cotransduction: 22% [6]

uvrC279::Tn10

Linked marker

CAG12156 = CGSC7394[5]

est. P1 cotransduction: 41% [6]

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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

EcoCyc

EcoCyc:EG10148

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10148

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000144

Escherichia coli str. K-12 substr. MG1655

NCBI (EcoliWiki Page)

GeneID:946396

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0146

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0006286

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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Product(s)

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Nomenclature

See Help:Product_nomenclature for help entering or editing information in this section of EcoliWiki.

Standard name

CheR

Synonyms

chemotaxis regulator, protein-glutamate methyltransferase[1], B1884[2][1], CheX[2][1], CheR[2][1] , cheX, ECK1885, JW1873, b1884

Product description

CHER[2][3]

Chemotaxis MCP protein methyltransferase, SAM-dependent; binds C-terminus of chemoreceptors; makes glutamate methyl esters[4]

EC number (for enzymes)

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Notes

Function

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<protect> Gene Ontology
See Help:Gene_ontology for help entering or editing GO terms and GO annotations in EcoliWiki.

Qualifier GO ID GO term name Reference Evidence Code with/from Aspect Notes Status

GO:0006935

chemotaxis

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0145

P

Seeded from EcoCyc (v14.0)

complete

GO:0008168

methyltransferase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0489

F

Seeded from EcoCyc (v14.0)

complete

GO:0008757

S-adenosylmethionine-dependent methyltransferase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000780

F

Seeded from EcoCyc (v14.0)

complete

GO:0008983

protein-glutamate O-methyltransferase activity

GOA:spec
GO_REF:0000003

IEA: Inferred from Electronic Annotation

EC:2.1.1.80

F

Seeded from EcoCyc (v14.0)

complete

GO:0016740

transferase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0808

F

Seeded from EcoCyc (v14.0)

complete

Interactions See Help:Product_interactions for help entering or editing information about gene product interactions in this section of EcoliWiki.

Partner Type Partner Notes References Evidence

Protein

groL

PMID:16606699

Experiment(s):EBI-1141181

Protein

ftsZ

PMID:16606699

Experiment(s):EBI-1141181

Protein

dnaK

PMID:16606699

Experiment(s):EBI-1141181

Protein

rplD

PMID:16606699

Experiment(s):EBI-1141181

Protein

yfcU

PMID:16606699

Experiment(s):EBI-1141181

Protein

paaH

PMID:16606699

Experiment(s):EBI-1141181

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Notes

Localization

See Help:Product_localization for how to add or edit information in this section of EcoliWiki.

Compartment Description Evidence Reference/Source Notes

cytoplasm

From EcoCyc[3]


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Notes

Structure and Physical Properties

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<protect> Physical Properties See Help:Product_physical_properties for help entering or editing information about the physical properties of this gene product.

Name
Sequence

at EcoCyc

MTSSLPCGQT SLLLQMTERL ALSDAHFRRI SQLIYQRAGI VLADHKRDMV YNRLVRRLRS
LGLTDFGHYL NLLESNQHSG EWQAFINSLT TNLTAFFREA HHFPLLADHA RRRSGEYRVW
SAAASTGEEP YSIAMTLADT LGTAPGRWKV FASDIDTEVL EKARSGIYRH EELKNLTPQQ
LQRYFMRGTG PHEGLVRVRQ ELANYVDFAP LNLLAKQYTV PGPFDAIFCR NVMIYFDQTT
QQEILRRFVP LLKPDGLLFA GHSENFSHLE RRFTLRGQTV YALSKD
Length

286

Mol. Wt

32.85 kDa

pI

9.6 (calculated)

Extinction coefficient

32,890 - 33,140 (calc based on 11 Y, 3 W, and 2 C residues)


Domains/Motifs/Modification Sites

See Help:Product_domains_motifs for help entering or editing information in this section of EcoliWiki.

Type Residues Description Notes References

Domain

92..283

PF01739 CheR methyltransferase, SAM binding domain

PMID:19920124

Domain

23..79

PF03705 CheR methyltransferase, all-alpha domain

PMID:19920124

<motif_map/>

Structure
See Help:Product_structure for help entering or editing information in this section of EcoliWiki.

Structures

<beststructure> gene=cheR taxon=562,83333 </beststructure>

Models

View models at:

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Structure figures

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Notes

Gene Product Resources

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See Help:Product_resources for help with entering or editing information in this section of EcoliWiki.

Resource type Source Notes/Reference

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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

NCBI (Protein) (EcoliWiki Page)

GI:16129836

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:946396

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0006286

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P07364

Escherichia coli str. K-12 substr. MG1655

EcoCyc

EcoCyc:EG10148

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10148

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:946396

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000144

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0146

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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Expression

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Overview

This is a placeholder for a summary statement on how expression of this gene product is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.


Cellular Levels

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See Help:Cellular levels

Molecule Organism or Strain Value Units Experimental Conditions Assay used Notes Reference(s)

Protein

E. coli K-12 MG1655

0a

molecules/cell/generation

  • Medium: MOPS Complete
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

Low confidence in the sequencing data set.

PMID: 24766808

Protein

E. coli K-12 MG1655

1a

molecules/cell/generation

  • Medium: MOPS Minimal
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

Low confidence in the sequencing data set.

PMID: 24766808

Protein

E. coli K-12 MG1655

0a

molecules/cell/generation

  • Medium: MOPS Complete without Methionine
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

Low confidence in the sequencing data set.

PMID: 24766808

Notes

Transcription and Transcriptional Regulation

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<protect>

See Help:Expression_transcription for help entering or editing information in this section of EcoliWiki.

Transcription unit(s)

tar-tap-cheRBYZ

Figure courtesy of RegulonDB

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Notes

This is a placeholder for a summary statement about how transcription of this gene is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Translation and Regulation of Translation

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<protect><gbrowseImage> name=NC_000913:1967368..1967408 source=MG1655 flip=1 type=Gene+DNA_+Protein preset=Nterminus </gbrowseImage> This picture shows the sequence around the N-terminus.

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Notes

This is a placeholder for a summary statement about how translation of this gene product is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Turnover and Regulation of Turnover

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Notes

This is a placeholder for a summary statement about turnover of this gene product. You can help EcoliWiki by becoming a user and writing/editing this statement.

Experimental

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<protect> Mutations Affecting Expression See Help:Expression_mutations for help entering or editing information in this section of EcoliWiki.

Allele Name Mutation Phenotype Reference


Expression Studies See Help:Expression_studies for help entering or editing information in this section of EcoliWiki.

Type Reference Notes

microarray

GEO Profiles:b1884 (EcoliWiki Page)

NCBI GEO profiles for cheR

microarray

GenExpDB:b1884 (EcoliWiki Page)

Summary of data for cheR from multiple microarray studies


Expression Resources See Help:Expression_resources for help entering or editing information in this section of EcoliWiki.

Resource Name Resource Type Description Source Notes

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Notes

Accessions Related to cheR Expression

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

EcoCyc

EcoCyc:EG10148

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0146

Escherichia coli str. K-12 substr. MG1655

EcoliGenExpDB (EcoliWiki Page)

EcoliGenExpDB:b1884

EcoGene

EcoGene:EG10148

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000144

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0006286

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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Evolution

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Homologs in Other Organisms

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See Help:Evolution_homologs for help entering or editing information in this section of EcoliWiki.

Organism Homologs (Statistics) Comments

Xenopus tropicalis

  • ENSXETP00000026763 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Shigella flexneri

CHER

From SHIGELLACYC

E. coli O157

CHER

From ECOO157CYC


Do-It-Yourself Web Tools

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Notes

Families

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

Pfam (EcoliWiki Page)

PF01739 CheR methyltransferase, SAM binding domain

Pfam (EcoliWiki Page)

PF03705 CheR methyltransferase, all-alpha domain

Superfamily (EcoliWiki Page)

SUPERFAMILY:47757

Panther (EcoliWiki Page)

PTHR24422:SF6

Superfamily (EcoliWiki Page)

SUPERFAMILY:53335

EcoCyc

EcoCyc:EG10148

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10148

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000144

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0146

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0006286

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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References

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See Help:References for how to manage references in EcoliWiki.

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 3.2 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 4.2 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  5. 5.0 5.1 5.2 CGSC: The Coli Genetics Stock Center
  6. 6.0 6.1 The Tn10 insertion sites determined by Nichols et al. 1998 (PMID:9829956) were reannotated by alignment with E. coli K-12 genome sequence (GenBank accession NC_000913). P1 contransduction frequencies were calculated using the formula of Wu (PMID:5338813).

Categories

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