relA: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

relA

Gene Synonym(s)

ECK2778, b2784, JW2755, RC[1], RC

Product Desc.

RELA[2][3]

ATP:GTP 3'-pyrophosphotransferase, ppGpp synthetase I; required for ppGpp synthesis during stringent response to amino acid starvation; self regulated[4]

Product Synonyms(s)

(p)ppGpp synthetase I/GTP pyrophosphokinase[1], B2784[2][1], RelA[2][1], ppGpp synthase I[2][1] , ECK2778, JW2755, RC, b2784

Function from GO

<GO_nr />

Knock-Out Phenotype
Regulation/Expression

transcription unit(s): relA-mazEF[2][3], relA-chpRA, chpA

Regulation/Activity
Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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

</protect> See Help:Quickview for help with entering information in the Quickview table. <protect></protect>

Notes

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RelA has two physically and functionally distinct domains, the N-terminal domain, amino acids 1 to 455, is responsible for (p)ppGpp synthesis, and the C-terminal domain, amino acids 456 to 744, is responsible for self regulation.[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

relA

Mnemonic

Relaxed

Synonyms

ECK2778, b2784, JW2755, RC[1], RC

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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

62.71 minutes 

MG1655: 2911673..2909439
<gbrowseImage> name=NC_000913:2909439..2911673 source=MG1655 preset=GeneLocation </gbrowseImage>

REL606

NC_012967: 2802579..2800345
<gbrowseImage> name=NC_012967:2800345..2802579 source=REL606 preset=GeneLocation </gbrowseImage>

BW2952

NC_012759: 2795251..2797257
<gbrowseImage> name=NC_012759:2795251..2797257 source=BW2952 preset=GeneLocation </gbrowseImage>

BW2952

NC_012759: 2798546..2798821
<gbrowseImage> name=NC_012759:2798546..2798821 source=BW2952 preset=GeneLocation </gbrowseImage>

W3110

 

W3110: 2912307..2910073
<gbrowseImage> name=NC_007779:2910073..2912307 source=W3110 preset=GeneLocation </gbrowseImage>

DH10B

DH10B: 3005551..3001981
<gbrowseImage> name=NC_010473:3001981..3005551 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

ΔrelA (Keio:JW2755)

deletion

deletion

PMID:16738554

Shigen
CGSC10159[5]

relA::Tn5KAN-I-SceI (FB20926)

Insertion at nt 195 in Minus orientation

PMID:15262929

E. coli Genome Project:FB20926

contains pKD46

relA1

IS2 insertion between codons 85 and 86

PMID:2556396

CGSC:4549

relA2

CGSC:5370

relA0

CGSC:6052

relA41

CGSC:12141

relA42

CGSC:12143

ΔrelA782::kan

PMID:16738554

CGSC:102636

crp - relA +

Resistant to

Deficient mutants in relA backgroumd, were found to be resistant to smg (serine+methionine+glycine)

PMID:230407

Experimental strain: CA8307

table 4

relA -

Resistant to

Near UV irradiation resistance.

PMID:783151

Figure 1

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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

JW2755

Plasmid clone

Shigen

PMID:16769691

Status:Clone OK

Primer 1:GCCGTTGCGGTAAGAAGTGCACA

Primer 2:CCACTCCCGTGCAACCGACGCGC

8B9

Kohara Phage

Genobase

PMID:3038334

cysI95::Tn10

Linked marker

CAG12173 = CGSC7425[5]

est. P1 cotransduction: 42% [6]
Synonyms:cysC95::Tn10

fucP3072::Tn10

Linked marker

CAG12079 = CGSC7427[5]

est. P1 cotransduction: 43% [6]
Synonyms:fuc-3072::Tn10

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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:EG10835

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10835

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000826

Escherichia coli str. K-12 substr. MG1655

NCBI (EcoliWiki Page)

GeneID:947244

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0828

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0009125

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

RelA

Synonyms

(p)ppGpp synthetase I/GTP pyrophosphokinase[1], B2784[2][1], RelA[2][1], ppGpp synthase I[2][1] , ECK2778, JW2755, RC, b2784

Product description

RELA[2][3]

ATP:GTP 3'-pyrophosphotransferase, ppGpp synthetase I; required for ppGpp synthesis during stringent response to amino acid starvation; self regulated[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:0000166

nucleotide binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0547

F

Seeded from EcoCyc (v14.0)

complete

GO:0005524

ATP binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0067

F

Seeded from EcoCyc (v14.0)

complete

GO:0005525

GTP binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0342

F

Seeded from EcoCyc (v14.0)

complete

GO:0008152

metabolic process

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR002912

P

Seeded from EcoCyc (v14.0)

complete

GO:0008728

GTP diphosphokinase activity

GOA:spec
GO_REF:0000003

IEA: Inferred from Electronic Annotation

EC:2.7.6.5

F

Seeded from EcoCyc (v14.0)

complete

GO:0015969

guanosine tetraphosphate metabolic process

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR004811

P

Seeded from EcoCyc (v14.0)

complete

GO:0015969

guanosine tetraphosphate metabolic process

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR007685

P

Seeded from EcoCyc (v14.0)

complete

GO:0016301

kinase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0418

F

Seeded from EcoCyc (v14.0)

complete

GO:0016597

amino acid binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR002912

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

acnB

PMID:16606699

Experiment(s):EBI-1143946

Protein

sxy

PMID:16606699

Experiment(s):EBI-1143946

Protein

adhE

PMID:16606699

Experiment(s):EBI-1143946

Protein

rpsM

PMID:16606699

Experiment(s):EBI-1143946

Protein

ftnB

PMID:16606699

Experiment(s):EBI-1143946

Protein

rplD

PMID:16606699

Experiment(s):EBI-1143946

Protein

ais

PMID:16606699

Experiment(s):EBI-1143946

Protein

slyD

PMID:16606699

Experiment(s):EBI-1143946

Protein

rplS

PMID:16606699

Experiment(s):EBI-1143946

Protein

yehH

PMID:16606699

Experiment(s):EBI-1143946

Protein

rplB

PMID:16606699

Experiment(s):EBI-1143946

Protein

aceE

PMID:16606699

Experiment(s):EBI-1143946

Protein

speG

PMID:16606699

Experiment(s):EBI-1143946

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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

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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

MVAVRSAHIN KAGEFDPEKW IASLGITSQK SCECLAETWA YCLQQTQGHP DASLLLWRGV
EMVEILSTLS MDIDTLRAAL LFPLADANVV SEDVLRESVG KSVVNLIHGV RDMAAIRQLK
ATHTDSVSSE QVDNVRRMLL AMVDDFRCVV IKLAERIAHL REVKDAPEDE RVLAAKECTN
IYAPLANRLG IGQLKWELED YCFRYLHPTE YKRIAKLLHE RRLDREHYIE EFVGHLRAEM
KAEGVKAEVY GRPKHIYSIW RKMQKKNLAF DELFDVRAVR IVAERLQDCY AALGIVHTHY
RHLPDEFDDY VANPKPNGYQ SIHTVVLGPG GKTVEIQIRT KQMHEDAELG VAAHWKYKEG
AAAGGARSGH EDRIAWLRKL IAWQEEMADS GEMLDEVRSQ VFDDRVYVFT PKGDVVDLPA
GSTPLDFAYH IHSDVGHRCI GAKIGGRIVP FTYQLQMGDQ IEIITQKQPN PSRDWLNPNL
GYVTTSRGRS KIHAWFRKQD RDKNILAGRQ ILDDELEHLG ISLKEAEKHL LPRYNFNDVD
ELLAAIGGGD IRLNQMVNFL QSQFNKPSAE EQDAAALKQL QQKSYTPQNR SKDNGRVVVE
GVGNLMHHIA RCCQPIPGDE IVGFITQGRG ISVHRADCEQ LAELRSHAPE RIVDAVWGES
YSAGYSLVVR VVANDRSGLL RDITTILANE KVNVLGVASR SDTKQQLATI DMTIEIYNLQ
VLGRVLGKLN QVPDVIDARR LHGS
Length

744

Mol. Wt

83.875 kDa

pI

6.8 (calculated)

Extinction coefficient

93,280 - 94,655 (calc based on 22 Y, 11 W, and 11 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

667..734

PF01842 ACT domain

PMID:19920124

Domain

406..465

PF02824 TGS domain

PMID:19920124

Domain

251..361

PF04607 Region found in RelA / SpoT proteins

PMID:19920124

<motif_map/>

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

Structures

<beststructure> gene=relA 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:16130691

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:947244

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0009125

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P0AG20

Escherichia coli str. K-12 substr. MG1655

EcoCyc

EcoCyc:EG10835

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10835

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:947244

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000826

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0828

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

356

molecules/cell/generation

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

Ribosome Profiling

PMID: 24766808

Protein

E. coli K-12 MG1655

213

molecules/cell/generation

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

Ribosome Profiling

PMID: 24766808

Protein

E. coli K-12 MG1655

358

molecules/cell/generation

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

Ribosome Profiling

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)

relA-mazEF

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_000913:2911653..2911693 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:b2784 (EcoliWiki Page)

NCBI GEO profiles for relA

microarray

GenExpDB:b2784 (EcoliWiki Page)

Summary of data for relA 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

GFP Fusion

Intergenic region (2911600..2911755) fused to gfpmut2.

OpenBioSystems

GFP fusion described in Zaslaver, et al.
Plate:109-AZ20; Well:B4[7]

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Notes

Accessions Related to relA Expression

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

Database Accession Notes

EcoCyc

EcoCyc:EG10835

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0828

Escherichia coli str. K-12 substr. MG1655

EcoliGenExpDB (EcoliWiki Page)

EcoliGenExpDB:b2784

EcoGene

EcoGene:EG10835

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000826

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0009125

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

Arabidopsis thaliana

  • AT4G02260 (score: 1.000; bootstrap: 73%)

From Inparanoid:20070104

Bos taurus

  • ENSBTAP00000024795 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Caenorhabditis briggsae

  • WBGene00038968 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Caenorhabditis elegans

  • WBGene00014148 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Canis familiaris

  • ENSCAFP00000018036 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Danio rerio

  • ZDB-GENE-050417-377 (score: 1.000; bootstrap: 100%)
  • ZDB-CDNA-050417-378 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Dictyostelium discoideum

  • DDB0230182 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Drosophila melanogaster

  • FBgn0039650 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Drosophila pseudoobscura

  • GA11268-PA (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Homo sapiens

  • ENSP00000330721 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Macaca mulatta

  • ENSMMUP00000006766 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Monodelphis domestica

  • ENSMODP00000024331 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Mus musculus

  • MGI:1915945 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Oryza gramene

  • Q6ATB4 (score: 1.000; bootstrap: 97%)
  • Q9AYT4 (score: 0.998)
  • Q75IS2 (score: 0.549)
  • Q6ATB2 (score: 0.496)

From Inparanoid:20070104

Pan troglodytes

  • ENSPTRP00000012759 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Rattus norvegicus

  • ENSRNOP00000016445 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Takifugu rubripes

  • NEWSINFRUP00000171044 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Tetraodon nigroviridis

  • GSTENP00034759001 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Shigella flexneri

RELA

From SHIGELLACYC

E. coli O157

RELA

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)

PF02824 TGS domain

Pfam (EcoliWiki Page)

PF01842 ACT domain

Superfamily (EcoliWiki Page)

SUPERFAMILY:55021

Superfamily (EcoliWiki Page)

SUPERFAMILY:81271

Superfamily (EcoliWiki Page)

SUPERFAMILY:81301

Superfamily (EcoliWiki Page)

SUPERFAMILY:109604

Pfam (EcoliWiki Page)

PF04607 Region found in RelA / SpoT proteins

EcoCyc

EcoCyc:EG10835

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10835

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000826

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0828

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0009125

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).
  7. Zaslaver, A et al. (2006) A comprehensive library of fluorescent transcriptional reporters for Escherichia coli. Nat. Methods 3 623-8 PubMed

Categories

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