2AQL

Crystal Structure of the MRG15 MRG domain


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.245 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Multipurpose MRG domain involved in cell senescence and proliferation exhibits structural homology to a DNA-interacting domain.

Bowman, B.R.Moure, C.M.Kirtane, B.M.Welschhans, R.L.Tominaga, K.Pereira-Smith, O.M.Quiocho, F.A.

(2006) Structure 14: 151-158

  • DOI: 10.1016/j.str.2005.08.019

  • PubMed Abstract: 
  • The ubiquitous MRG/MORF family of proteins is involved in cell senescence, or the terminal loss of proliferative potential, a model for aging and tumor suppression at the cellular level. These proteins are defined by the approximately 20 kDa MRG doma ...

    The ubiquitous MRG/MORF family of proteins is involved in cell senescence, or the terminal loss of proliferative potential, a model for aging and tumor suppression at the cellular level. These proteins are defined by the approximately 20 kDa MRG domain that binds a plethora of transcriptional regulators and chromatin-remodeling factors, including the histone deacetylase transcriptional corepressor mSin3A and the novel nuclear protein PAM14, and they are also known components of the Tip60/NuA4 complex via interactions with the MRG binding protein (MRGBP). We present here the crystal structure of a prototypic MRG domain from human MRG15 whose core consists of two orthogonal helix hairpins. Despite the lack of sequence similarity, the core structure has surprisingly striking homology to a DNA-interacting domain of the tyrosine site-specific recombinases XerD, lambda integrase, and Cre. Site-directed mutagenesis studies based on the X-ray structure and bioinformatics identified key residues involved in the binding of PAM14 and MRGBP.


    Organizational Affiliation

    Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, Texas 77030, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Mortality factor 4-like protein 1
A, B
173Homo sapiensMutation(s): 0 
Gene Names: MORF4L1 (MRG15)
Find proteins for Q9UBU8 (Homo sapiens)
Go to Gene View: MORF4L1
Go to UniProtKB:  Q9UBU8
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.245 
  • Space Group: H 3
Unit Cell:
Length (Å)Angle (°)
a = 111.200α = 90.00
b = 111.200β = 90.00
c = 84.700γ = 120.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
SHARPphasing
HKL-2000data reduction
CNSrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-02-28
    Type: Initial release
  • Version 1.1: 2008-04-30
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance