1ECL

AMINO TERMINAL 67KDA DOMAIN OF ESCHERICHIA COLI DNA TOPOISOMERASE I (RESIDUES 2-590 OF MATURE PROTEIN) CLONING ARTIFACT ADDS TWO RESIDUES TO THE AMINO-TERMINUS WHICH WERE NOT OBSERVED IN THE EXPERIMENTAL ELECTRON DENSITY (GLY-2, SER-1).

Structural Biology Knowledgebase: 1ECL SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.218

Literature

Macromolecules
Sequence Display for 1ECL

Classification: TOPOISOMERASE

Total Structure Weight: 67326.98

Macromolecule Entities
Molecule Chains Length Organism Details
ESCHERICHIA COLI TOPOISOMERASE I A 597 Escherichia coli EC#: 5.99.1.2 IUBMB
Mutation: E359G
Gene Name(s): topA supX b1274 JW1266
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG


Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.218
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 63.19 α = 90.00
b = 77.97 β = 90.00
c = 138.90 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-05-05
  • Released Date: 1995-07-31
  • Deposition author(s): Lima, C.D., Wang, J.C., Mondragon, A.

Revision History

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