yjgF:Gene Product(s)

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Nomenclature Function Interactions Localization Sequence Domains Structure Resources Accessions Links References Suggestions

Nomenclature

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Standard name

RidA

Synonyms

ketoacid-binding protein[1], B4243[2][1], YjgF[2][1] , ECK4238, JW5755, b4243

Product description

conserved protein[2][3];

Component of YjgF homotrimer[3]

Function unknown; Salmonella ortholog required for full IlvE activity and for the dependence of the alternative pyrimidine biosynthesis (APB) pathway of thiamine biosynthesis upon the oxidative pentose phosphate pathway; serine sensitivity; trimeric[4]

EC number (for enzymes)

EC:3.5.99.10

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Notes

Catalytic activity:2-iminobutanoate/2-iminopropanoate deaminase[5]

2-iminobutanoate + H2O = 2-oxobutanoate + NH3

2-iminopropanoate + H2O = pyruvate + NH3

"{RidA]accelerates the release of ammonia from reactive enamine/imine intermediates of the PLP-dependent threonine dehydratase (IlvA) in the low water environment of the cell. It catalyzes the deamination of enamine/imine intermediates to yield 2-ketobutyrate and ammonia. It is required for the detoxification of reactive intermediates of IlvA due to their highly nucleophilic abilities."

The RidA ortholog in Salmonella enteric Serotype Typhimurium is Involved in isoleucine biosynthesis in certain growth conditions.[6]

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:0016020

membrane

PMID:16858726[7]

IDA: Inferred from Direct Assay

C

Seeded from EcoCyc (v20.5)

complete

GO:0005829

cytosol

PMID:18304323[8]

IDA: Inferred from Direct Assay

C

Seeded from EcoCyc (v20.5)

complete

GO:0005829

cytosol

PMID:15911532[9]

IDA: Inferred from Direct Assay

C

Seeded from EcoCyc (v20.5)

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

Subunits of YjgF homotrimer

could be indirect

Protein

rpsM

PMID:19402753[10]

LCMS(ID Probability):99.6

Protein

rraB

PMID:19402753[10]

LCMS(ID Probability):99.6

Protein

rplX

PMID:19402753[10]

LCMS(ID Probability):99.6

Protein

dnaN

PMID:19402753[10]

LCMS(ID Probability):99.6 MALDI(Z-score):8.682030

Protein

rplO

PMID:19402753[10]

LCMS(ID Probability):99.6

Protein

groS

PMID:19402753[10]

MALDI(Z-score):21.758882

Protein

yjjU

PMID:19402753[10]

MALDI(Z-score):31.932864

Protein

bglB

PMID:19402753[10]

LCMS(ID Probability):99.3

Protein

tdcF

PMID:19402753[10]

LCMS(ID Probability):99.6

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Notes

Localization

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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

MSQTFYRCNK GEIMSKTIAT ENAPAAIGPY VQGVDLGNMI ITSGQIPVNP KTGEVPADVA
AQARQSLDNV KAIVEAAGLK VGDIVKTTVF VKDLNDFATV NATYEAFFTE HNATFPARSC
VEVARLPKDV KIEIEAIAVR R
Length

141

Mol. Wt

15.169 kDa

pI

6.0 (calculated)

Extinction coefficient

4,470 - 4,720 (calc based on 3 Y, 0 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

Initiator Methionine

1

Removed

UniProt:P0AF93

Domain

7..127

PF01042 Endoribonuclease L-PSP

PMID:19920124[11]

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

Structures

<beststructure> gene=yjgF 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:90111711

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:948771

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P0AF93

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:948771

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:

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. 1.0 1.1 1.2 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  5. UniProtKB
  6. Christopherson, MR et al. (2008) YjgF is required for isoleucine biosynthesis when Salmonella enterica is grown on pyruvate medium. J. Bacteriol. 190 3057-62 PubMed
  7. Lasserre, JP et al. (2006) A complexomic study of Escherichia coli using two-dimensional blue native/SDS polyacrylamide gel electrophoresis. Electrophoresis 27 3306-21 PubMed
  8. Ishihama, Y et al. (2008) Protein abundance profiling of the Escherichia coli cytosol. BMC Genomics 9 102 PubMed
  9. Lopez-Campistrous, A et al. (2005) Localization, annotation, and comparison of the Escherichia coli K-12 proteome under two states of growth. Mol. Cell Proteomics 4 1205-9 PubMed
  10. 10.0 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 Hu, P et al. (2009) Global functional atlas of Escherichia coli encompassing previously uncharacterized proteins. PLoS Biol. 7 e96 PubMed
  11. Finn, RD et al. (2010) The Pfam protein families database. Nucleic Acids Res. 38 D211-22 PubMed

Categories

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