1EHK

CRYSTAL STRUCTURE OF THE ABERRANT BA3-CYTOCHROME-C OXIDASE FROM THERMUS THERMOPHILUS

Structural Biology Knowledgebase: 1EHK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.222

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1EHK

Classification: OXIDOREDUCTASE

Total Structure Weight: 87441.15

Macromolecule Entities
Molecule Chains Length Organism Details
BA3-TYPE CYTOCHROME-C OXIDASE A 562 Thermus thermophilus EC#: 1.9.3.1 IUBMB
Fragment: SUBUNIT I
Gene Name(s): cbaA TTHA1135
BA3-TYPE CYTOCHROME-C OXIDASE B 168 Thermus thermophilus EC#: 1.9.3.1 IUBMB
Fragment: SUBUNIT II
Gene Name(s): cbaB ctaC TTHA1134
BA3-TYPE CYTOCHROME-C OXIDASE C 33 Thermus thermophilus EC#: 1.9.3.1 IUBMB
Fragment: SUBUNIT IIA
Gene Name(s): cbaD TTHA1133

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Electron Transport Chain Complexes: Complex IV (Cytochrome C Oxidase)

Protein Name: Cytochrome ba3


Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HAS
Query on HAS

A HEME-AS
C54 H64 Fe N4 O6
PDYODZVCODUKFH-QIHJKJTBDH
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HEM
Query on HEM

A PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BNG
Query on BNG

A B-NONYLGLUCOSIDE
C15 H30 O6
QFAPUKLCALRPLH-UXXRCYHCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CUA
Query on CUA

B DINUCLEAR COPPER ION
Cu2
ALKZAGKDWUSJED-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CU
Query on CU

A COPPER (II) ION
Cu
JPVYNHNXODAKFH-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.222
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 112.11 α = 90.00
b = 112.11 β = 90.00
c = 161.41 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-02-21
  • Released Date: 2001-02-22
  • Deposition author(s): Soulimane, T., Buse, G., Bourenkov, G.P., Bartunik, H.D., Huber, R., Than, M.E.

Revision History

  • 2011-07-13
    Type: Source and taxonomy | Details: Removed strain from scientific name
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4