1C4O

CRYSTAL STRUCTURE OF THE DNA NUCLEOTIDE EXCISION REPAIR ENZYME UVRB FROM THERMUS THERMOPHILUS

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.266 
  • R-Value Work: 0.252 
  • R-Value Observed: 0.252 

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This is version 1.4 of the entry. See complete history. 


Literature

Crystal structure of the DNA nucleotide excision repair enzyme UvrB from Thermus thermophilus.

Machius, M., Henry, L., Palnitkar, M., Deisenhofer, J.

(1999) Proc Natl Acad Sci U S A 96: 11717-11722

  • DOI: 10.1073/pnas.96.21.11717
  • Primary Citation of Related Structures:  
    1C4O

  • PubMed Abstract: 

    • Nucleotide excision repair (NER) is the most important DNA-repair mechanism in living organisms. In prokaryotes, three enzymes forming the UvrABC system initiate NER of a variety of structurally different DNA lesions. UvrB, the central component of this system, is responsible for the ultimate DNA damage recognition and participates in the incision of the damaged DNA strand ...

    Nucleotide excision repair (NER) is the most important DNA-repair mechanism in living organisms. In prokaryotes, three enzymes forming the UvrABC system initiate NER of a variety of structurally different DNA lesions. UvrB, the central component of this system, is responsible for the ultimate DNA damage recognition and participates in the incision of the damaged DNA strand. The crystal structure of Thermus thermophilus UvrB reveals a core that is structurally similar to core regions found in helicases, where they constitute molecular motors. Additional domains implicated in binding to DNA and various components of the NER system are attached to this central core. The architecture and distribution of DNA binding sites suggest a possible model for the DNA damage recognition process.

    Organizational Affiliation: 

    Howard Hughes Medical Institute, Department of Biochemistry, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75235-9050, USA.



Macromolecules
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
DNA NUCLEOTIDE EXCISION REPAIR ENZYME UVRBA664Thermus thermophilus HB8Mutation(s): 0 
Gene Names: uvrB, TTHA1892
UniProt
Find proteins for Q56243 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8))
Explore Q56243 
Go to UniProtKB:  Q56243
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ56243
Protein Feature View
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.266 
  • R-Value Work: 0.252 
  • R-Value Observed: 0.252 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 134.74α = 90
b = 134.74β = 90
c = 106.7γ = 120
Software Package:
Software NamePurpose
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2000-07-26
    Type: Initial release
  • Version 1.1: 2008-04-26
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Source and taxonomy, Version format compliance
  • Version 1.3: 2017-10-04
    Changes: Advisory, Refinement description
  • Version 1.4: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Derived calculations, Structure summary