1MW9

Crystal Structure of H365R mutant of 67 kDA N-terminal fragment of E. coli DNA Topoisomerase I

Structural Biology Knowledgebase: 1MW9 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.67 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.208

Literature

Macromolecules
Sequence Display for 1MW9

Classification: ISOMERASE

Total Structure Weight: 67796.02

Macromolecule Entities
Molecule Chains Length Organism Details
DNA Topoisomerase I X 592 Escherichia coli EC#: 5.99.1.2 IUBMB
Fragment: 67 kDa N-terminal fragment
Mutation: H365R, S549N
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
SO4
Query on SO4

X SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.67 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.208
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 62.99 α = 90.00
b = 78.71 β = 90.00
c = 139.33 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-09-27
  • Released Date: 2003-10-14
  • Deposition author(s): Perry, K., Mondragon, A.

Revision History

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