1OIS

YEAST DNA TOPOISOMERASE I, N-TERMINAL FRAGMENT


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.290 
  • R-Value Work: 0.222 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

A 26 kDa yeast DNA topoisomerase I fragment: crystallographic structure and mechanistic implications.

Lue, N.Sharma, A.Mondragon, A.Wang, J.C.

(1995) Structure 3: 1315-1322


  • PubMed Abstract: 
  • Type I DNA topoisomerases, divided mechanistically into two subfamilies, are ubiquitous enzymes that participate in replication and transcription. In addition to its role in these fundamental processes, the biological importance of eukaryotic DNA top ...

    Type I DNA topoisomerases, divided mechanistically into two subfamilies, are ubiquitous enzymes that participate in replication and transcription. In addition to its role in these fundamental processes, the biological importance of eukaryotic DNA topoisomerase I is underscored by its identification as the target of the antitumor alkaloid camptothecin. An understanding of the mechanism of catalysis and interactions with camptothecin and other drugs has been hampered by a lack of detailed structural information.


    Organizational Affiliation

    Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
DNA TOPOISOMERASE I
A
223Saccharomyces cerevisiae (strain ATCC 204508 / S288c)Gene Names: TOP1 (MAK1)
EC: 5.99.1.2
Find proteins for P04786 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Go to Gene View: TOP1
Go to UniProtKB:  P04786
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.290 
  • R-Value Work: 0.222 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 47.200α = 90.00
b = 53.070β = 90.00
c = 116.890γ = 90.00
Software Package:
Software NamePurpose
X-PLORphasing
X-PLORrefinement
X-PLORmodel building
DENZOdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1997-03-12
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance