2ACZ Oxidoreductase Electron Transport date Jul 19, 2005
title Complex II (Succinate Dehydrogenase) From E. Coli With Atpen Inhibitor Co-Crystallized At The Ubiquinone Binding Site
authors R.Horsefield, V.Yankovskaya, G.Sexton, W.Whittingham, K.Shiomi, S B.Byrne, G.Cecchini, S.Iwata
compound source
Molecule: Succinate Dehydrogenase Flavoprotein Subunit
Chain: A
Ec: 1.3.99.1
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dw35
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfas

Molecule: Succinate Dehydrogenase Iron-Sulfur Protein
Chain: B
Ec: 1.3.99.1
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dw35
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfas

Molecule: Succinate Dehydrogenase Cytochrome B556 Subunit
Chain: C
Synonym: Cytochrome B-556
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dw35
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfas

Molecule: Succinate Dehydrogenase Hydrophobic Membrane Anch Protein;
Chain: D
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dw35
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfas
symmetry Space Group: H 3 2
R_factor 0.264 R_Free 0.308
crystal
cell
length a length b length c angle alpha angle beta angle gamma
138.759 138.759 521.873 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.10 Å
ligand AT5, CDN, F3S, FAD, FES, HEB, OAA, SF4 enzyme Oxidoreductase E.C.1.3.99.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


B


C
  • electron transfer activity


  • D
  • electron transfer activity


  • Primary referenceStructural and computational analysis of the quinone-binding site of complex II (succinate-ubiquinone oxidoreductase): a mechanism of electron transfer and proton conduction during ubiquinone reduction., Horsefield R, Yankovskaya V, Sexton G, Whittingham W, Shiomi K, Omura S, Byrne B, Cecchini G, Iwata S, J Biol Chem. 2006 Mar 17;281(11):7309-16. Epub 2005 Dec 27. PMID:16407191
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (179 Kb) [Save to disk]
  • Biological Unit Coordinates (2acz.pdb1.gz) 503 Kb
  • LPC: Ligand-Protein Contacts for 2ACZ
  • CSU: Contacts of Structural Units for 2ACZ
  • Likely Quarternary Molecular Structure file(s) for 2ACZ
  • Structure Factors (303 Kb)
  • Retrieve 2ACZ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ACZ from S2C, [Save to disk]
  • Re-refined 2acz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2ACZ in 3D
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  • Visual 3D analysis of 2ACZ
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2ACZ, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2acz_A] [2acz_B] [2acz_D] [2acz] [2acz_C]
  • SWISS-PROT database: [P0AC41] [P07014] [P69054] [P0AC44]
  • Domain organization of [DHSA_ECOLI] [DHSB_ECOLI] [DHSC_ECOLI] [DHSD_ECOLI] by SWISSPFAM
  • Other resources with information on 2ACZ
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