2QLA

Crystal Structure of a 16-Helix Bundle Architecture Produced by the Zinc-Mediated Self Assembly of Four Cytochrome cb562 Molecules

Structural Biology Knowledgebase: 2QLA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.295
  • R-Value Work: 0.248

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2QLA

Classification: ELECTRON TRANSPORT

Total Structure Weight: 49632.71

Macromolecule Entities
Molecule Chains Length Organism Details
Soluble cytochrome b562 A, B, C, D 106 Escherichia coli Mutation: K59H, D73H, K77H, R98C, Y101C
Gene Name(s): cybC

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

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

A, B, C, D ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.295
  • R-Value Work: 0.248
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 88.98 α = 90.00
b = 66.66 β = 90.00
c = 68.90 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-07-12
  • Released Date: 2007-11-06
  • Deposition author(s): Tezcan, F.A., Salgado, E.N., Faraone-Mennella, J.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4