B5R9E5 · B5R9E5_SALG2

Function

function

Catalyzes the isomerization of L-ribulose 5-phosphate to D-xylulose 5-phosphate. Is involved in the anaerobic L-ascorbate utilization.

Catalytic activity

Cofactor

Zn2+ (UniProtKB | Rhea| CHEBI:29105 )

Note: Binds 1 zinc ion per subunit.

Pathway

Cofactor degradation; L-ascorbate degradation; D-xylulose 5-phosphate from L-ascorbate: step 4/4.

Features

Showing features for binding site, active site.

TypeIDPosition(s)Description
Binding site26-27substrate
Binding site43-44substrate
Binding site72-73substrate
Binding site74Zn2+ (UniProtKB | ChEBI)
Binding site93Zn2+ (UniProtKB | ChEBI)
Binding site95Zn2+ (UniProtKB | ChEBI)
Active site118Proton donor/acceptor
Binding site167Zn2+ (UniProtKB | ChEBI)
Active site225Proton donor/acceptor

GO annotations

AspectTerm
Molecular FunctionL-ribulose-phosphate 4-epimerase activity
Molecular Functionzinc ion binding
Biological ProcessL-ascorbic acid catabolic process

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    L-ribulose-5-phosphate 4-epimerase UlaF
  • EC number
  • Alternative names
    • L-ascorbate utilization protein F
    • Phosphoribulose isomerase

Gene names

    • Name
      sgaE
    • Synonyms
      ulaF
    • Ordered locus names
      SG4230

Organism names

Accessions

  • Primary accession
    B5R9E5

Proteomes

Expression

Induction

Induced by L-ascorbate. Repressed by UlaR.

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain6-194Class II aldolase/adducin N-terminal

Sequence similarities

Belongs to the aldolase class II family. AraD/FucA subfamily.

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    228
  • Mass (Da)
    25,214
  • Last updated
    2008-11-04 v1
  • Checksum
    BA9E5BB7153E481E
MQKLKQQVFDANMDLPRYGLVTFTWGNVSAIDRERGLVVIKPSGVAYETMKVDDMVVVDMDGKVVEGGYRPSSDTATHLALYQRYPSLGGVVHTHSTHATAWAQAGMAIPALGTTHADYFFGDIPCTRALSEEEVQGEYELNTGKVIIETLGEVEPLHTPGIVVYQHGPFAWGKDAHDAVHNAVVMEEVARMAWIARGINPGLNPIDDYLMNKHFMRKHGPNAYYGQK

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
AM933173
EMBL· GenBank· DDBJ
CAR39993.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

Disclaimer

Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. Our staff consists of biologists and biochemists that are not trained to give medical advice.
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