1JNX

Crystal structure of the BRCT repeat region from the breast cancer associated protein, BRCA1

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.302 
  • R-Value Work: 0.259 
  • R-Value Observed: 0.262 

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This is version 1.3 of the entry. See complete history. 


Literature

Crystal structure of the BRCT repeat region from the breast cancer-associated protein BRCA1.

Williams, R.S., Green, R., Glover, J.N.

(2001) Nat Struct Biol 8: 838-842

  • DOI: 10.1038/nsb1001-838
  • Primary Citation of Related Structures:  
    1JNX

  • PubMed Abstract: 

    • The C-terminal BRCT region of BRCA1 is essential for its DNA repair, transcriptional regulation and tumor suppressor functions. Here we determine the crystal structure of the BRCT domain of human BRCA1 at 2.5 A resolution. The domain contains two BRCT repeats that adopt similar structures and are packed together in a head-to-tail arrangement ...

    The C-terminal BRCT region of BRCA1 is essential for its DNA repair, transcriptional regulation and tumor suppressor functions. Here we determine the crystal structure of the BRCT domain of human BRCA1 at 2.5 A resolution. The domain contains two BRCT repeats that adopt similar structures and are packed together in a head-to-tail arrangement. Cancer-causing missense mutations occur at the interface between the two repeats and destabilize the structure. The manner by which the two BRCT repeats interact in BRCA1 may represent a general mode of interaction between homologous domains within proteins that interact to regulate the cellular response to DNA damage. The structure provides a basis to predict the structural consequences of uncharacterized BRCA1 mutations.

    Organizational Affiliation: 

    Department of Biochemistry, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
BREAST CANCER TYPE 1 SUSCEPTIBILITY PROTEINA [auth X]214Homo sapiensMutation(s): 0 
Gene Names: BRCA1, RNF53
EC: 2.3.2.27
UniProt & NIH Common Fund Data Resources
Find proteins for P38398 (Homo sapiens)
Explore P38398 
Go to UniProtKB:  P38398
PHAROS:  P38398
GTEx:  ENSG00000012048 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP38398
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NI
Query on NI
Download Ideal Coordinates CCD File 
B [auth X]NICKEL (II) ION
Ni
VEQPNABPJHWNSG-UHFFFAOYSA-N		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.302 
  • R-Value Work: 0.259 
  • R-Value Observed: 0.262 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 114.844α = 90
b = 114.844β = 90
c = 122.111γ = 120
Software Package:
Software NamePurpose
SOLVEphasing
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2001-09-21
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-04-05
    Changes: Refinement description