2FXK

Crystal structure of the macro-domain of human core histone variant macroH2A1.1 (form A)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.54 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.207 
  • R-Value Observed: 0.210 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Splicing regulates NAD metabolite binding to histone macroH2A.

Kustatscher, G.Hothorn, M.Pugieux, C.Scheffzek, K.Ladurner, A.G.

(2005) Nat Struct Mol Biol 12: 624-625

  • DOI: 10.1038/nsmb956
  • Primary Citation of Related Structures:  
    2FXK, 1ZR5

  • PubMed Abstract: 
  • Histone macroH2A is a hallmark of mammalian heterochromatin. Here we show that human macroH2A1.1 binds the SirT1-metabolite O-acetyl-ADP-ribose (OAADPR) through its macro domain. The 1.6-A crystal structure and mutants reveal how the metabolite is re ...

    Histone macroH2A is a hallmark of mammalian heterochromatin. Here we show that human macroH2A1.1 binds the SirT1-metabolite O-acetyl-ADP-ribose (OAADPR) through its macro domain. The 1.6-A crystal structure and mutants reveal how the metabolite is recognized. Mutually exclusive exon use in the gene H2AFY produces macroH2A1.2, whose tissue distribution differs. MacroH2A1.2 shows only subtle structural changes but cannot bind nucleotides. Alternative splicing may thus regulate the binding of nicotinamide adenine dinucleotide (NAD) metabolites to chromatin.


    Organizational Affiliation

    Gene Expression Unit, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
H2A histone family, member Y isoform 1AB211Homo sapiensMutation(s): 0 
Gene Names: MACROH2A1H2AFY
Find proteins for O75367 (Homo sapiens)
Explore O75367 
Go to UniProtKB:  O75367
NIH Common Fund Data Resources
PHAROS  O75367
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.54 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.207 
  • R-Value Observed: 0.210 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 90.77α = 90
b = 98.27β = 90
c = 42.05γ = 90
Software Package:
Software NamePurpose
XDSdata scaling
XDSdata reduction
PHASERphasing
REFMACrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-02-14
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance