1LPQ

Human DNA Topoisomerase I (70 Kda) In Non-Covalent Complex With A 22 Base Pair DNA Duplex Containing an 8-oxoG Lesion


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.14 Å
  • R-Value Free: 0.298
  • R-Value Work: 0.256

Literature

Macromolecules
Sequence Display for 1LPQ

Classification: ISOMERASE / DNA

Total Structure Weight: 80279.89


Macromolecule Entities
Molecule Chains Length Organism Details
DNA topoisomerase I A 564 Homo sapiens EC#: 5.99.1.2 IUBMB
Mutation: Y723F
Gene Name(s): TOP1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*TP*(8OG)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3' B 22 synthetic
5'-D(*AP*AP*AP*AP*AP*TP*TP*TP*TP*TP*CP*CP*AP*AP*GP*TP*CP*TP*TP*TP*TP*T)-3' C 22 synthetic

Small Molecules
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
8OG
Query on 8OG
B DNA LINKING C10 H14 N5 O8 P DG

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.14 Å
  • R-Value Free: 0.298
  • R-Value Work: 0.256
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 57.20 α = 90.00
b = 122.50 β = 97.40
c = 72.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-08
  • Released Date: 2002-08-16
  • Deposition author(s): Lesher, D.T., Pommier, Y., Stewart, L., Redinbo, M.R.

Revision History

  • 2008-04-28
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance