1SQX

Crystal Structure Analysis of Bovine Bc1 with Stigmatellin A


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.281
  • R-Value Work: 0.233

Literature

Macromolecules
Sequence Display for 1SQX

Classification: OXIDOREDUCTASE

Total Structure Weight: 244151.77

Macromolecule Entities
Molecule Chains Length Organism Details
Ubiquinol-cytochrome-c reductase complex core protein I, mitochondrial precursor A 446 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: core protein 1
Gene Name(s): UQCRC1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome-c reductase complex core protein 2, mitochondrial precursor B 439 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: core protein 2
Gene Name(s): UQCRC2 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Cytochrome b C 379 Bos taurus Fragment: cytochrome b
Gene Name(s): MT-CYB Gene View COB CYTB MTCYB
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Cytochrome c1, heme protein, mitochondrial E 196 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: cytochrome c1
Gene Name(s): UQCRFS1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome c reductase iron-sulfur subunit, mitochondrial precursor (EC 1.10.2.2) (Rieske iron-sulfur protein) (RISP) [Contains: Ubiquinol-cytochrome c reductase 8 kDa protein (Complex III subunit IX)] D 241 Bos taurus Fragment: iron sulfur protein
Gene Name(s): CYC1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome C reductase complex 14 kDa protein G 81 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: subunit 6
Gene Name(s): UQCRQ Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome C reductase complex ubiquinone-binding protein QP-C I 78 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: subunit 7
Gene Name(s): UQCRFS1 Gene View
Ubiquinol-cytochrome C reductase complex 11 kDa protein F 110 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: subunit 8
Gene Name(s): UQCRB Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome c reductase iron-sulfur subunit, mitochondrial precursor (EC 1.10.2.2) (Rieske iron-sulfur protein) (RISP) [Contains: Ubiquinol-cytochrome c reductase 8 kDa protein (Complex III subunit IX)] K 56 Bos taurus Fragment: subunit 9
Gene Name(s): UQCR11 Gene View UQCR
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome C reductase complex 7.2 kDa protein H 78 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: subunit 10
Gene Name(s): UQCRH Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Ubiquinol-cytochrome C reductase complex 6.4 kDa protein J 62 Bos taurus EC#: 1.10.2.2 IUBMB
Fragment: subunit 11
Gene Name(s): UQCR10 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Electron Transport Chain Super Complexes (Respirasome)

Protein Name: Electron Transport Chain (ETC) Super Complex comprised of ETC complexes I, III, and IV


Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

C, D PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SMA
Query on SMA

C STIGMATELLIN A
C30 H42 O7
UZHDGDDPOPDJGM-WPPYOTIYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
UQ2
Query on UQ2

C UBIQUINONE-2
C19 H26 O4
SQQWBSBBCSFQGC-JLHYYAGUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
FES
Query on FES

E FE2/S2 (INORGANIC) CLUSTER
Fe2 S2
NIXDOXVAJZFRNF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.281
  • R-Value Work: 0.233
  • Space Group: I 41 2 2

Unit Cell:

Length (Å) Angle (°)
a = 154.38 α = 90.00
b = 154.38 β = 90.00
c = 590.27 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-03-21
  • Released Date: 2005-09-06
  • Deposition author(s): Esser, L., Quinn, B., Li, Y.F., Zhang, M., Elberry, M., Yu, L., Yu, C.A., Xia, D.

Revision History

  • Version 1_0: 2005-09-06

    Type: Initial release

  • Version 1_1: 2008-04-29

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance