1BE3

CYTOCHROME BC1 COMPLEX FROM BOVINE

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.00 Å
  • R-Value Free: 0.320 
  • R-Value Work: 0.260 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history. 


Literature

Complete structure of the 11-subunit bovine mitochondrial cytochrome bc1 complex.

Iwata, S., Lee, J.W., Okada, K., Lee, J.K., Iwata, M., Rasmussen, B., Link, T.A., Ramaswamy, S., Jap, B.K.

(1998) Science 281: 64-71

  • DOI: https://doi.org/10.1126/science.281.5373.64
  • Primary Citation of Related Structures:  
    1BE3, 1BGY

  • PubMed Abstract: 

    • Mitochondrial cytochrome bc1 complex performs two functions: It is a respiratory multienzyme complex and it recognizes a mitochondrial targeting presequence. Refined crystal structures of the 11-subunit bc1 complex from bovine heart reveal full views of this bifunctional enzyme ...

    Mitochondrial cytochrome bc1 complex performs two functions: It is a respiratory multienzyme complex and it recognizes a mitochondrial targeting presequence. Refined crystal structures of the 11-subunit bc1 complex from bovine heart reveal full views of this bifunctional enzyme. The "Rieske" iron-sulfur protein subunit shows significant conformational changes in different crystal forms, suggesting a new electron transport mechanism of the enzyme. The mitochondrial targeting presequence of the "Rieske" protein (subunit 9) is lodged between the two "core" subunits at the matrix side of the complex. These "core" subunits are related to the matrix processing peptidase, and the structure unveils how mitochondrial targeting presequences are recognized.

    Organizational Affiliation: 

    Life Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA. iwata@xray.bmc.uu.se



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX446Bos taurusMutation(s): 0 
Gene Names: UQCRC1
EC: 1.10.2.2
Membrane Entity: Yes 
UniProt
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX439Bos taurusMutation(s): 0 
Gene Names: UQCRC2
EC: 1.10.2.2
Membrane Entity: Yes 
UniProt
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX379Bos taurusMutation(s): 0 
Gene Names: MT-CYB, COB, CYTB, MTCYB
EC: 1.10.2.2
Membrane Entity: Yes 
UniProt
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX241Bos taurusMutation(s): 0 
Gene Names: CYC1
EC: 1.10.2.2 (PDB Primary Data), 7.1.1.8 (UniProt)
Membrane Entity: Yes 
UniProt
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX196Bos taurusMutation(s): 0 
Gene Names: UQCRFS1
EC: 1.10.2.2 (PDB Primary Data), 7.1.1.8 (UniProt)
Membrane Entity: Yes 
UniProt
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX110Bos taurusMutation(s): 0 
Gene Names: UQCRB
EC: 1.10.2.2
Membrane Entity: Yes 
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX81Bos taurusMutation(s): 0 
Gene Names: UQCRQ
EC: 1.10.2.2
Membrane Entity: Yes 
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX78Bos taurusMutation(s): 0 
Gene Names: UQCRH
EC: 1.10.2.2
Membrane Entity: Yes 
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX78Bos taurusMutation(s): 0 
Gene Names: UQCRFS1
EC: 1.10.2.2 (PDB Primary Data), 7.1.1.8 (UniProt)
Membrane Entity: Yes 
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX62Bos taurusMutation(s): 0 
Gene Names: UQCR10
EC: 1.10.2.2
Membrane Entity: Yes 
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
CYTOCHROME BC1 COMPLEX56Bos taurusMutation(s): 0 
Gene Names: UQCR11, UQCR
EC: 1.10.2.2
Membrane Entity: Yes 
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Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
HEC
Query on HEC
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N [auth D]HEME C
C34 H34 Fe N4 O4
HXQIYSLZKNYNMH-LJNAALQVSA-N		 Ligand Interaction
HEM
Query on HEM
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L [auth C],
M [auth C]		PROTOPORPHYRIN IX CONTAINING FE
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L		 Ligand Interaction
FES
Query on FES
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O [auth E]FE2/S2 (INORGANIC) CLUSTER
Fe2 S2
NIXDOXVAJZFRNF-UHFFFAOYSA-N		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.00 Å
  • R-Value Free: 0.320 
  • R-Value Work: 0.260 
  • Space Group: P 65 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 211.2α = 90
b = 211.2β = 90
c = 339.28γ = 120
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CCP4model building
REFMACrefinement
CCP4phasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1999-01-13
    Type: Initial release
  • Version 1.1: 2008-03-03
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance