Nucleosomes
From Proteopedia
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| - | <scene name='1aoi/Introduction/2'>The nucleosome core particle</scene> contains two copies of each histone <font color=tan>'''protein'''</font> (<font color=tan>'''H2A, H2B, H3, H4'''</font>) and 146 basepairs (bp) of superhelical <font color=purple>'''DNA'''</font> wrapped around this histone octamer. It represents the first order of DNA packaging in the nucleus and as such is the principal structure that determines DNA accessibility (created by David Marcey, Eran Hodis, Jaime Prilusky).<br /> | + | <scene name='1aoi/Introduction/2'>The nucleosome core particle</scene> contains two copies of each histone <font color=tan>'''protein'''</font> (<font color=tan>'''H2A, H2B, H3, H4'''</font>) and 146 basepairs (bp) of superhelical <font color=purple>'''DNA'''</font> wrapped around this histone octamer. It represents the first order of DNA packaging in the nucleus and as such is the principal structure that determines DNA accessibility (this scene was created by David Marcey, Eran Hodis, Jaime Prilusky).<br /> |
Examples of [[Archaeal_Histones]] | Examples of [[Archaeal_Histones]] | ||
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Revision as of 10:28, 3 June 2012
For a general introduction beyond what is provided below, please see Wikipedia: Nucleosome. For a list of nucleosome structures, see Category: Nucleosome.
Scenes for Projection in Biochemistry Classes
This section offers some large scenes of a nucleosome (1aoi), as determined in Tim Richmond's lab, suitable for projection in biochemistry classes.
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1. : DNA, Protein.
2.
3.
H2a
H2b
H3
H4
4.
contains two copies of each histone protein (H2A, H2B, H3, H4) and 146 basepairs (bp) of superhelical DNA wrapped around this histone octamer. It represents the first order of DNA packaging in the nucleus and as such is the principal structure that determines DNA accessibility (this scene was created by David Marcey, Eran Hodis, Jaime Prilusky).
Examples of Archaeal_Histones
3D structures of histone
Additional Resources
For Additional Information, See: Nucleic Acids
Proteopedia Page Contributors and Editors (what is this?)
Eran Hodis, Eric Martz, Harry Greenblatt, Jaime Prilusky, Michal Harel, Joel L. Sussman, Angel Herraez, Alexander Berchansky, Karl Oberholser, David Canner
