4I3H

A three-gate structure of topoisomerase IV from Streptococcus pneumoniae

Structural Biology Knowledgebase: 4I3H SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.7 Å
  • R-Value Free: 0.249
  • R-Value Work: 0.185

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4I3H

Classification: ISOMERASE / DNA

Total Structure Weight: 298558.32


Macromolecule Entities
Molecule Chains Length Organism Details
Topoisomerase IV subunit B, DNA topoisomerase 4 subunit A chimera A, B 1144 Streptococcus pneumoniae EC#: 5.99.1 IUBMB 5.99.1.3 IUBMB
Macromolecule Entities
Molecule Chains Length Organism Details
DNA (5'-D(*CP*AP*AP*AP*GP*GP*CP*GP*GP*TP*AP*AP*TP*AP*CP*GP*GP*TP*TP*AP*TP*CP*CP*AP*CP*AP*GP*AP*AP*TP*CP*AP*GP*G)-3') E, G 34 synthetic V-site DNA
DNA (5'-D(*CP*CP*TP*GP*AP*TP*TP*CP*TP*GP*TP*GP*GP*AP*TP*AP*AP*CP*CP*GP*TP*AP*TP*TP*AP*CP*CP*GP*CP*CP*TP*TP*TP*G)-3') F, H 34 synthetic V-site DNA

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MG
Query on MG

A, B, H MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
JSmol

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.7 Å
  • R-Value Free: 0.249
  • R-Value Work: 0.185
  • Space Group: P 42 21 2

Unit Cell:

Length (Å) Angle (°)
a = 160.60 α = 90.00
b = 160.60 β = 90.00
c = 280.56 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-11-26
  • Released Date: 2013-08-28
  • Deposition author(s): Laponogov, I., Veselkov, D.A., Pan, X.-S., Crevel, I., Fisher, L.M., Sanderson, M.R.

Revision History

  • 2013-12-04
    Type: Citation | Details: Citation update
  • 2013-09-04
    Type: Citation | Details: Citation update