1U35

Crystal structure of the nucleosome core particle containing the histone domain of macroH2A


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.00 Å
  • R-Value Free: 0.260 
  • R-Value Work: 0.206 

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This is version 1.2 of the entry. See complete history


Literature

Structural characterization of the histone variant macroH2A.

Chakravarthy, S.Gundimella, S.K.Caron, C.Perche, P.Y.Pehrson, J.R.Khochbin, S.Luger, K.

(2005) Mol Cell Biol 25: 7616-7624

  • DOI: 10.1128/MCB.25.17.7616-7624.2005
  • Primary Citation of Related Structures:  
    1YD9, 1U35

  • PubMed Abstract: 
  • macroH2A is an H2A variant with a highly unusual structural organization. It has a C-terminal domain connected to the N-terminal histone domain by a linker. Crystallographic and biochemical studies show that changes in the L1 loop in the histone fold ...

    macroH2A is an H2A variant with a highly unusual structural organization. It has a C-terminal domain connected to the N-terminal histone domain by a linker. Crystallographic and biochemical studies show that changes in the L1 loop in the histone fold region of macroH2A impact the structure and potentially the function of nucleosomes. The 1.6-A X-ray structure of the nonhistone region reveals an alpha/beta fold which has previously been found in a functionally diverse group of proteins. This region associates with histone deacetylases and affects the acetylation status of nucleosomes containing macroH2A. Thus, the unusual domain structure of macroH2A integrates independent functions that are instrumental in establishing a structurally and functionally unique chromatin domain.


    Organizational Affiliation

    Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, 80523-1870, USA.



Macromolecules

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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Histone H3.1AE136Mus musculusMutation(s): 0 
Gene Names: 
H3FAH3FCH3FDH3FFH3FHH3FIH3FJH3FKH3FLH3c1...

Find proteins for P68433 (Mus musculus)
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Go to UniProtKB:  P68433
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Hist1h4i proteinBF103Mus musculusMutation(s): 0 
Gene Names: 
Find proteins for P62806 (Mus musculus)
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NIH Common Fund Data Resources
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  • Reference Sequence
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
H2A histone familyCG120Homo sapiensMutation(s): 1 
Gene Names: MACROH2A1H2AFY
Find proteins for O75367 (Homo sapiens)
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NIH Common Fund Data Resources
PHAROS  O75367
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
histone 3, H2baDH126Mus musculusMutation(s): 0 
Gene Names: Hist3h2ba
Find proteins for Q9D2U9 (Mus musculus)
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Go to UniProtKB:  Q9D2U9
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  • Reference Sequence
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Entity ID: 1
MoleculeChainsLengthOrganismImage
alpha-satellite DNAI, J146Homo sapiens
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.00 Å
  • R-Value Free: 0.260 
  • R-Value Work: 0.206 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 105.505α = 90
b = 109.598β = 90
c = 175.989γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2005-09-27
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance