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P05417 · UCRI_PARDE

  • Protein
    Ubiquinol-cytochrome c reductase iron-sulfur subunit
  • Gene
    petA
  • Status
    UniProtKB reviewed (Swiss-Prot)
  • Amino acids
  • Protein existence
    Evidence at protein level
  • Annotation score
    4/5

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 site132[2Fe-2S] cluster (UniProtKB | ChEBI)
Binding site134[2Fe-2S] cluster (UniProtKB | ChEBI)
Binding site152[2Fe-2S] cluster (UniProtKB | ChEBI)
Binding site155[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

Protein family/group databases

    • 3.D.3.1.1the proton-translocating quinol:cytochrome c reductase (qcr) superfamily

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

Organism names

  • Taxonomic identifier
  • Taxonomic lineage
    Bacteria > Pseudomonadota > Alphaproteobacteria > Rhodobacterales > Paracoccaceae > Paracoccus

Accessions

  • Primary accession
    P05417

Subcellular Location

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane18-39Helical

Keywords

PTM/Processing

Features

Showing features for chain, disulfide bond.

Type
IDPosition(s)Description
ChainPRO_00001277611-190Ubiquinol-cytochrome c reductase iron-sulfur subunit
Disulfide bond137↔154

Keywords

Interaction

Subunit

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

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain95-188Rieske

Sequence similarities

Belongs to the Rieske iron-sulfur protein family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    190
  • Mass (Da)
    20,300
  • Last updated
    1988-11-01 v1
  • MD5 Checksum
    12E188F002E1C0B9D03DC1EEE9418513
MSHADEHAGDHGATRRDFLYYATAGAGTVAAGAAAWTLVNQMNPSADVQALASIQVDVSGVETGTQLTVKWLGKPVFIRRRTEDEIQAGREVDLGQLIDRSAQNSNKPDAPATDENRTMDEAGEWLVMIGVCTHLGCVPIGDGAGDFGGWFCPCHGSHYDTSGRIRRGPAPQNLHIPVAEFLDDTTIKLG

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
M17522
EMBL· GenBank· DDBJ
AAA25571.1
EMBL· GenBank· DDBJ
Genomic DNA
X05799
EMBL· GenBank· DDBJ
CAA29243.1
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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