1SQX Oxidoreductase date Mar 21, 2004
title Crystal Structure Analysis Of Bovine Bc1 With Stigmatellin A
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 Precursor;
Chain: A
Fragment: Core Protein 1
Ec: 1.10.2.2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome-C Reductase Complex Core Pro Mitochondrial Precursor;
Chain: B
Fragment: Core Protein 2
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
Fragment: Cytochrome B

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Cytochrome C1, Heme Protein, Mitochondrial
Chain: E
Fragment: Cytochrome C1
Synonym: Cytochrome C-1

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Iron-Sulfur Subu Mitochondrial Precursor (Ec 1.10.2.2) (Rieske Iron-Sulfur P
(Risp) [Contains: Ubiquinol-Cytochrome C Reductase 8 Kda Pr (Complex III Subunit Ix)];
Chain: D
Fragment: Iron Sulfur Protein

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex 14 Kda P
Chain: G
Fragment: Subunit 6
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: I
Fragment: Subunit 7
Synonym: Ubiquinol-Cytochrome C Reductase Complex 9.5 Kda P 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: F
Fragment: Subunit 8
Synonym: Mitochondrial Hinge Protein, Cytochrome C1, Nonhem Protein, Complex III Subunit Viii;
Ec: 1.10.2.2

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Iron-Sulfur Subu Mitochondrial Precursor (Ec 1.10.2.2) (Rieske Iron-Sulfur P
(Risp) [Contains: Ubiquinol-Cytochrome C Reductase 8 Kda Pr (Complex III Subunit Ix)];
Chain: K
Fragment: Subunit 9

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ubiquinol-Cytochrome C Reductase Complex 7.2 Kda
Chain: H
Fragment: Subunit 10
Synonym: Cytochrome C1, Nonheme 7 Kda Protein, Complex III
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: J
Fragment: Subunit 11
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 0.233 R_Free 0.281
crystal
cell
length a length b length c angle alpha angle beta angle gamma
154.385 154.385 590.271 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand FES, HEC, HEM, SMA, UQ2 enzyme Oxidoreductase E.C.1.10.2.2 BRENDA
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] (353 Kb) [Save to disk]
  • Biological Unit Coordinates (1sqx.pdb1.gz) 661 Kb
  • LPC: Ligand-Protein Contacts for 1SQX
  • CSU: Contacts of Structural Units for 1SQX
  • Likely Quarternary Molecular Structure file(s) for 1SQX
  • Retrieve 1SQX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SQX from S2C, [Save to disk]
  • View 1SQX 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 1SQX
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1SQX, from MSDmotif at EBI
  • Fold representative 1sqx from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1sqx] [1sqx_I] [1sqx_F] [1sqx_A] [1sqx_K] [1sqx_G] [1sqx_E] [1sqx_D] [1sqx_H] [1sqx_C] [1sqx_B] [1sqx_J]
  • 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 1SQX
  • Community annotation for 1SQX 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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