4ID3

Crystal Structure of the BRCT domain of S. Cerevisiae Rev1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9669 Å
  • R-Value Free: 0.233 
  • R-Value Work: 0.191 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure and Functional Analysis of the BRCT Domain of Translesion Synthesis DNA Polymerase Rev1.

Pryor, J.M.Gakhar, L.Washington, M.T.

(2013) Biochemistry 52: 254-263

  • DOI: 10.1021/bi301572z

  • PubMed Abstract: 
  • Translesion synthesis (TLS) is a pathway in which specialized, low-fidelity DNA polymerases are used to overcome replication blocks caused by DNA damage. The use of this pathway often results in somatic mutations that can drive carcinogenesis. Rev1 i ...

    Translesion synthesis (TLS) is a pathway in which specialized, low-fidelity DNA polymerases are used to overcome replication blocks caused by DNA damage. The use of this pathway often results in somatic mutations that can drive carcinogenesis. Rev1 is a TLS polymerase found in all eukaryotes that plays a pivotal role in mediating DNA damage-induced mutagenesis. It possesses a BRCA1 C-terminal (BRCT) domain that is required for its function. The rev1-1 allele encodes a mutant form of Rev1 with a G193R substitution in this domain, which reduces the level of DNA damage-induced mutagenesis. Despite its clear importance in mutagenic TLS, the role of the BRCT domain is unknown. Here, we report the X-ray crystal structure of the yeast Rev1 BRCT domain and show that substitutions in residues constituting its phosphate-binding pocket do not affect mutagenic TLS. This suggests that the role of the Rev1 BRCT domain is not to recognize phosphate groups on protein binding partners or on DNA. We also found that residue G193 is located in a conserved turn region of the BRCT domain, and our in vivo and in vitro studies suggest that the G193R substitution may disrupt Rev1 function by destabilizing the fold of the BRCT domain.


    Organizational Affiliation

    Department of Biochemistry, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
DNA repair protein REV1
A, B
92Saccharomyces cerevisiae (strain ATCC 204508 / S288c)Gene Names: REV1
EC: 2.7.7.-
Find proteins for P12689 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Go to Gene View: REV1
Go to UniProtKB:  P12689
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9669 Å
  • R-Value Free: 0.233 
  • R-Value Work: 0.191 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 32.003α = 90.00
b = 82.491β = 91.49
c = 32.705γ = 90.00
Software Package:
Software NamePurpose
StructureStudiodata collection
PHENIXrefinement
SCALAdata scaling
XDSdata reduction
PHASERphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-01-02
    Type: Initial release
  • Version 1.1: 2013-01-23
    Type: Database references
  • Version 1.2: 2018-01-24
    Type: Structure summary