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Q6YP09 · Q6YP09_SALAT

Function

function

Component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex) that is part of the mitochondrial respiratory chain. The b-c1 complex mediates electron transfer from ubiquinol to cytochrome c. Contributes to the generation of a proton gradient across the mitochondrial membrane that is then used for ATP synthesis.

Cofactor

Protein has several cofactor binding sites:
heme b (UniProtKB | Rhea| CHEBI:60344 )

Note: Binds 2 heme groups non-covalently.
heme (UniProtKB | Rhea| CHEBI:30413 )

Note: Binds 2 heme groups non-covalently.

Features

Showing features for binding site.

134450100150200250300
TypeIDPosition(s)Description
Binding site48Fe (UniProtKB | ChEBI) of heme b b562 (UniProtKB | ChEBI); axial binding residue
Binding site62Fe (UniProtKB | ChEBI) of heme b b566 (UniProtKB | ChEBI); axial binding residue
Binding site147Fe (UniProtKB | ChEBI) of heme b b562 (UniProtKB | ChEBI); axial binding residue
Binding site161Fe (UniProtKB | ChEBI) of heme b b566 (UniProtKB | ChEBI); axial binding residue
Binding site166a ubiquinone (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentmitochondrial inner membrane
Cellular Componentrespiratory chain complex III
Molecular Functionmetal ion binding
Molecular Functionubiquinol-cytochrome-c reductase activity
Biological Processmitochondrial electron transport, ubiquinol to cytochrome c

Keywords

Names & Taxonomy

Protein names

  • Recommended name
    Cytochrome b

Gene names

    • Name
      cytb

Encoded on

  • Mitochondrion

Organism names

  • Taxonomic identifier
  • Organism
  • Strain
    • Slo
  • Taxonomic lineage
    Eukaryota > Metazoa > Chordata > Craniata > Vertebrata > Euteleostomi > Amphibia > Batrachia > Caudata > Salamandroidea > Salamandridae > Salamandrinae > Salamandra

Accessions

  • Primary accession
    Q6YP09

Subcellular Location

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane47-68Helical
Transmembrane80-98Helical
Transmembrane104-122Helical
Transmembrane143-164Helical
Transmembrane194-215Helical
Transmembrane252-272Helical
Transmembrane284-303Helical
Transmembrane315-335Helical

Keywords

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain1-174Cytochrome b/b6 N-terminal region profile
Domain175-344Cytochrome b/b6 C-terminal region profile

Sequence similarities

Belongs to the cytochrome b family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Fragment
  • Length
    344
  • Mass (Da)
    38,813
  • Last updated
    2004-07-05 v1
  • MD5 Checksum
    895BD6C0FDF78B902B8B68DAE82674B6
LLGICLITQIMTGLFLAMHYTADTYSAFSSVAHICRDVNYGWLVRNIHANGASFFFICIYIHIGRGLYYGSYMYKETWNIGVILLFLVMATAFVGYVLPWGQMSFWGATVITNLLSAVPYMGNTLVQWIWGGFSVDKATLTRFFAFHFLFPFLIAGASIVHLLFLHETGSNNPTGMASNQDKIPFHPYFSFKDMLGFIILLMVLMTISLLTPNLLGDPENFTPANPLVTPPHIQPEWYFLLAYAILRSIPNKLGGVMALLMSILILMIFPMLHTSKQRSLMFRPLSQTLFWALVANTLILTWIGGKPVEPPFIEIGQIASVVYFSLFIMIIPMSGSLENKLMKW

Features

Showing features for non-terminal residue.

TypeIDPosition(s)Description
Non-terminal residue1

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
AY035813
EMBL· GenBank· DDBJ
AAK71481.1
EMBL· GenBank· DDBJ
Genomic DNA

Similar Proteins

Disclaimer

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