4HPL

PCGF1 Ub fold (RAWUL)/BCOR PUFD Complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.212 

wwPDB Validation 3D Report Full Report


This is version 1.0 of the entry. See complete history

Literature

Structure of the Polycomb Group Protein PCGF1 in Complex with BCOR Reveals Basis for Binding Selectivity of PCGF Homologs.

Junco, S.E.Wang, R.Gaipa, J.C.Taylor, A.B.Schirf, V.Gearhart, M.D.Bardwell, V.J.Demeler, B.Hart, P.J.Kim, C.A.

(2013) Structure 21: 665-671

  • DOI: 10.1016/j.str.2013.02.013
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Polycomb-group RING finger homologs (PCGF1, PCGF2, PCGF3, PCGF4, PCGF5, and PCGF6) are¬†critical components in the assembly of distinct Polycomb repression complex 1 (PRC1)-related complexes. Here, we identify a protein interaction domain in BCL6 core ...

    Polycomb-group RING finger homologs (PCGF1, PCGF2, PCGF3, PCGF4, PCGF5, and PCGF6) are critical components in the assembly of distinct Polycomb repression complex 1 (PRC1)-related complexes. Here, we identify a protein interaction domain in BCL6 corepressor, BCOR, which binds the RING finger- and WD40-associated ubiquitin-like (RAWUL) domain of PCGF1 (NSPC1) and PCGF3 but not of PCGF2 (MEL18) or PCGF4 (BMI1). Because of the selective binding, we have named this domain PCGF Ub-like fold discriminator (PUFD). The structure of BCOR PUFD bound to PCGF1 reveals that (1) PUFD binds to the same surfaces as observed for a different Polycomb group RAWUL domain and (2) the ability of PUFD to discriminate among RAWULs stems from the identity of specific residues within these interaction surfaces. These data show the molecular basis for determining the binding preference for a PCGF homolog, which ultimately helps determine the identity of the larger PRC1-like assembly.


    Organizational Affiliation

    Department of Biochemistry and CTRC, University of Texas Health Science Center at San Antonio, MSC 7760, 7703 Floyd Curl Drive, San Antonio, TX 78229-3990, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
BCL-6 corepressor
A
119Homo sapiensMutation(s): 0 
Gene Names: BCOR (KIAA1575)
Find proteins for Q6W2J9 (Homo sapiens)
Go to Gene View: BCOR
Go to UniProtKB:  Q6W2J9
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Polycomb group RING finger protein 1
B
93Homo sapiensMutation(s): 0 
Gene Names: PCGF1 (NSPC1, RNF68)
Find proteins for Q9BSM1 (Homo sapiens)
Go to Gene View: PCGF1
Go to UniProtKB:  Q9BSM1
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.212 
  • Space Group: P 62
Unit Cell:
Length (Å)Angle (°)
a = 67.681α = 90.00
b = 67.681β = 90.00
c = 75.742γ = 120.00
Software Package:
Software NamePurpose
SHARPphasing
PHENIXrefinement
XDSdata reduction
XDSdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-05-01
    Type: Initial release