2HIO

HISTONE OCTAMER (CHICKEN), CHROMOSOMAL PROTEIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.1 Å

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The nucleosomal core histone octamer at 3.1 A resolution: a tripartite protein assembly and a left-handed superhelix.

Arents, G.Burlingame, R.W.Wang, B.C.Love, W.E.Moudrianakis, E.N.

(1991) Proc.Natl.Acad.Sci.USA 88: 10148-10152

  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The structure of the octameric histone core of the nucleosome has been determined by x-ray crystallography to a resolution of 3.1 A. The histone octamer is a tripartite assembly in which a centrally located (H3-H4)2 tetramer is flanked by two H2A-H2B ...

    The structure of the octameric histone core of the nucleosome has been determined by x-ray crystallography to a resolution of 3.1 A. The histone octamer is a tripartite assembly in which a centrally located (H3-H4)2 tetramer is flanked by two H2A-H2B dimers. It has a complex outer surface; depending on the perspective, the structure appears as a wedge or as a flat disk. The disk represents the planar projection of a left-handed proteinaceous superhelix with approximately 28 A pitch. The diameter of the particle is 65 A and the length is 60 A at its maximum and approximately 10 A at its minimum extension; these dimensions are in agreement with those reported earlier by Klug et al. [Klug, A., Rhodes, D., Smith, J., Finch, J. T. & Thomas, J. O. (1980) Nature (London) 287, 509-516]. The folded histone chains are elongated rather than globular and are assembled in a characteristic "handshake" motif. The individual polypeptides share a common central structural element of the helix-loop-helix type, which we name the histone fold.


    Related Citations: 
    • Spectropolarimetric Analysis of the Core Histone Octamer and its Subunits
      Godfrey, J.E.,Baxevanis, A.D.,Moudrianakis, E.N.
      (1990) Biochemistry 29: 965
    • Crystallographic Structure of the Octameric Histone Core of the Nucleosome at a Resolution of 3.3 A
      Burlingame, R.W.,Love, W.E.,Wang, B.C.,Hamlin, R.,Xuong, N.H.,Moudrianakis, E.N.
      (1985) Science 228: 546
    • Reversible Association of Calf Thymus Histones to Form the Symmetrical Octamer (H2Ah2Bh3H4)2: A Case of a Mixed-Associating System
      Godfrey, J.E.,Eickbush, T.H.,Moudrianakis, E.N.
      (1980) Biochemistry 19: 1339
    • The Histone Core Complex: An Octamer Assembled by Two Sets of Protein-Protein Interactions
      Eickbush, T.H.,Moudrianakis, E.N.
      (1978) Biochemistry 17: 4955
    • The Compaction of DNA Helices Into Either Continuous Supercoils or Folded-Fiber Rods and Toroids
      Eickbush, T.H.,Moudrianakis, E.N.
      (1978) Cell 13: 295
    • Crystals of the Octameric Histone Core of the Nucleosome
      Burlingame, R.W.,Love, W.E.,Moudrianakis, E.N.
      (1984) Science 223: 413


    Organizational Affiliation

    Department of Biology, Johns Hopkins University, Baltimore, MD 21218.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (HISTONE H2A)
A
128Gallus gallusMutation(s): 0 
Find proteins for P02263 (Gallus gallus)
Go to UniProtKB:  P02263
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (HISTONE H2B)
B
125Gallus gallusMutation(s): 0 
Gene Names: H2B-VII
Find proteins for P0C1H5 (Gallus gallus)
Go to UniProtKB:  P0C1H5
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (HISTONE H3)
C
136Gallus gallusMutation(s): 0 
Gene Names: H3-I, H3-II, H3-III, H3-IV, H3-V, H3-VI, H3-VII, H3-VIII
Find proteins for P84229 (Gallus gallus)
Go to UniProtKB:  P84229
Entity ID: 4
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (HISTONE H4)
D
103Gallus gallusMutation(s): 0 
Gene Names: H4-I, H4-II, H4-III, H4-IV, H4-V, H4-VI, H4-VII
Find proteins for P62801 (Gallus gallus)
Go to UniProtKB:  P62801
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.1 Å
  • Space Group: P 32 2 1
Unit Cell:
Length (Å)Angle (°)
a = 118.820α = 90.00
b = 118.820β = 90.00
c = 102.930γ = 120.00
Software Package:
Software NamePurpose
PROFFTrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-01-12
    Type: Initial release
  • Version 1.1: 2008-04-26
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Version format compliance