Q1RIA5 · UCRI_RICBR

Function

function

Component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), which is a respiratory chain that generates an electrochemical potential coupled to ATP synthesis.

Miscellaneous

The Rieske protein is a high potential 2Fe-2S protein.

Catalytic activity

Cofactor

[2Fe-2S] cluster (UniProtKB | Rhea| CHEBI:190135 )

Note: Binds 1 [2Fe-2S] cluster per subunit.

Features

Showing features for binding site.

TypeIDPosition(s)Description
Binding site129[2Fe-2S] cluster (UniProtKB | ChEBI)
Binding site131[2Fe-2S] cluster (UniProtKB | ChEBI)
Binding site148[2Fe-2S] cluster (UniProtKB | ChEBI)
Binding site151[2Fe-2S] cluster (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentplasma membrane
Molecular Function2 iron, 2 sulfur cluster binding
Molecular Functionmetal ion binding
Molecular Functionubiquinol-cytochrome-c reductase activity

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    Ubiquinol-cytochrome c reductase iron-sulfur subunit
  • EC number
  • Alternative names
    • Rieske iron-sulfur protein (RISP)

Gene names

    • Name
      petA
    • Ordered locus names
      RBE_0828

Organism names

Accessions

  • Primary accession
    Q1RIA5

Proteomes

Subcellular Location

Cell membrane
; Single-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane27-47Helical

Keywords

PTM/Processing

Features

Showing features for chain, disulfide bond.

TypeIDPosition(s)Description
ChainPRO_00002866411-186Ubiquinol-cytochrome c reductase iron-sulfur subunit
Disulfide bond134↔150

Keywords

Interaction

Subunit

The main subunits of complex b-c1 are: cytochrome b, cytochrome c1 and the Rieske protein.

Structure

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain97-184Rieske

Sequence similarities

Belongs to the Rieske iron-sulfur protein family.

Keywords

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    186
  • Mass (Da)
    20,321
  • Last updated
    2006-05-16 v1
  • Checksum
    E0E3943826DEF47C
MSDTEDTNNDNKVEFEDRSKTSRRDFMVLTASSVAAVGAACTLWPLINSLNPSADVLALSSIEVDLSNIAVGQTVTVKWQGKPVFITNRTPDKIAEARAVKMSELIDPEEDQDRVKAGHDNWLVTIGICTHLGCVPLANQGDYDGWFCPCHGSQYDSSGRVRRGPAPLNLAVPPYTFISDKKIRIG

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
CP000087
EMBL· GenBank· DDBJ
ABE04909.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

Disclaimer

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