1CYY

CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. HEXAGONAL FORM

Structural Biology Knowledgebase: 1CYY SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.282
  • R-Value Work: 0.229

Literature

Macromolecules
Sequence Display for 1CYY

Classification: ISOMERASE

Total Structure Weight: 59385.02

Macromolecule Entities
Molecule Chains Length Organism Details
DNA TOPOISOMERASE I A, B 264 Escherichia coli EC#: 5.99.1.2 IUBMB
Fragment: 30 KDA FRAGMENT COMPRISING DOMAINS II AND III
Gene Name(s): topA supX b1274 JW1266
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.282
  • R-Value Work: 0.229
  • Space Group: P 61 2 2

Unit Cell:

Length (Å) Angle (°)
a = 113.85 α = 90.00
b = 113.85 β = 90.00
c = 233.87 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-08-31
  • Released Date: 2000-03-08
  • Deposition author(s): Feinberg, H., Lima, C., Mondragon, A.

Revision History

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