1SQB Oxidoreductase date Mar 18, 2004
title Crystal Structure Analysis Of Bovine Bc1 With Azoxystrobin
authors L.Esser, B.Quinn, Y.F.Li, M.Zhang, M.Elberry, L.Yu, C.A.Yu, D.Xia
compound source
Molecule: Ubiquinol-Cytochrome C Reductase Complex Core Pro Mitochondrial;
Chain: A
Synonym: Complex III Subunit I
Ec: 1.10.2.2
 Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex Core Pro Mitochondrial;
Chain: B
Synonym: Complex III Subunit II
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Cytochrome B
Chain: C
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Cytochrome C1, Heme Protein, Mitochondrial
Chain: D
Synonym: Cytochrome C-1
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Iron-Sulfur Subu
Chain: E
Synonym: Complex III Subunit Ix
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex 14 Kda P
Chain: F
Synonym: Complex III Subunit Vi
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex Ubiquino Protein Qp-C;
Chain: G
Synonym: Complex III Subunit Vii
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex 11 Kda P
Chain: H
Synonym: Complex III Subunit Viii
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase 8 Kda Protein
Chain: I
Synonym: Complex III Subunit Ix
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex 7.2 Kda
Chain: J
Synonym: Complex III Subunit X
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex 6.4 Kda
Chain: K
Synonym: Complex III Subunit Xi
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
symmetry Space Group: I 41 2 2
R_factor 0.241 R_Free 0.288
crystal
cell
length a length b length c angle alpha angle beta angle gamma
153.554 153.554 596.393 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.69 Å
ligand AZO, FES, HEM enzyme Oxidoreductase E.C.1.10.2.2 BRENDA
related structures by homologous chain: 1BE3, 1L0N, 1QCR
Gene
Ontology
ChainFunctionProcessComponent
A


B


C


D


E


F


G


H


I


J


K
  • ubiquinol-cytochrome-c reduc...


    • Primary referenceCrystallographic studies of quinol oxidation site inhibitors: a modified classification of inhibitors for the cytochrome bc(1) complex., Esser L, Quinn B, Li YF, Zhang M, Elberry M, Yu L, Yu CA, Xia D, J Mol Biol 2004 Jul 30;341(1):281-302. PMID:15312779
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (342 Kb) [Save to disk]
  • Biological Unit Coordinates (1sqb.pdb1.gz) 656 Kb
  • LPC: Ligand-Protein Contacts for 1SQB
  • CSU: Contacts of Structural Units for 1SQB
  • Likely Quarternary Molecular Structure file(s) for 1SQB
  • Retrieve 1SQB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SQB from S2C, [Save to disk]
    • View 1SQB in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
    • Visual 3D analysis of 1SQB
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SQB, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sqba1, region A:1-233 [Jmol] [rasmolscript] [script source]
        - Domain d1sqba2, region A:234-446 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbb1, region B:17-235 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbb2, region B:236-439 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbc2, region C:2-260 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbc1, region C:261-379 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbd1, region D:1-195 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbd2, region D:196-241 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbe2, region E:1-69 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbe1, region E:70-196 [Jmol] [rasmolscript] [script source]
        - Domain d1sqbf_, region F [Jmol] [rasmolscript] [script source]
        - Domain d1sqbg_, region G [Jmol] [rasmolscript] [script source]
        - Domain d1sqbh_, region H [Jmol] [rasmolscript] [script source]
        - Domain d1sqbi_, region I [Jmol] [rasmolscript] [script source]
        - Domain d1sqbj_, region J [Jmol] [rasmolscript] [script source]
        - Domain d1sqbk_, region K [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1sqb_B] [1sqb_J] [1sqb_I] [1sqb_F] [1sqb_K] [1sqb] [1sqb_E] [1sqb_A] [1sqb_C] [1sqb_G] [1sqb_H] [1sqb_D]
  • SWISS-PROT database: [P00125] [P00157] [P07552] [P31800] [P23004] [P00126] [P00129] [P13271] [P00130] [P13272]
  • Belongs to the proton-translocating quinol:cytochrome c reductase (qcr) superfamily according to TCDB.
  • Domain organization of [CY1_BOVIN] [CYB_BOVIN] [QCR10_BOVIN] [QCR1_BOVIN] [QCR2_BOVIN] [QCR6_BOVIN] [QCR7_BOVIN] [QCR8_BOVIN] [QCR9_BOVIN] [UCRI_BOVIN] by SWISSPFAM
    • Other resources with information on 1SQB
  • Community annotation for 1SQB at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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