FACTOID # 16: In the 2000 Presidential Election, Texas gave Ralph Nader the 3rd highest popular vote count of any US state.
 
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Encyclopedia > Histone H3

H3 (Histone H3) is one of the 5 main histone proteins involved in the structure of chromatin in eukaryotic cells. Featuring a main globular domain and a long N terminal tail H3 is involved with the structure of the nucleosomes of the 'beads on a string' structure. See nucleosome, histone and chromatin. In biology, histones are the chief proteins of chromatin. ... A representation of the 3D structure of myoglobin, showing coloured alpha helices. ... Chromatin is found inside the nucleus of a cell. ... A nucleosome is a unit made of DNA and histones. ... A nucleosome is a unit made of DNA and histones. ... In biology, histones are the chief proteins of chromatin. ... Chromatin is found inside the nucleus of a cell. ...


Other histone proteins involved: H1 H2A H2B H4 In biology, histones are the chief proteins of chromatin. ... A representation of the 3D structure of myoglobin, showing coloured alpha helices. ... This page is about H1 the particle detector. ... H2A (Histone H2A) is one of the 5 main histone proteins involved in the structure of chromatin in eukaryotic cells. ... H2B (Histone H2B) is one of the 5 main histone proteins involved in the structure of chromatin in eukaryotic cells. ... For the 18th century chronometer, see John Harrison. ...


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histonecode (938 words)
Histones are a group of highly evolutionarily conserved proteins that play a critical role in the proper packaging of DNA within the eukaryotic nucleus.
For example, the acetylation of key lysine residues of histone H3 and H4 by enzymes known as histone acetyltransferases (HATs) was long known to play a pivotal role in transcriptional activation.
For example, the methylation of histone H3 on lysine residue 9 (Lys9) was shown to reside specifically in inactivated chromatin (also known as heterochromatin).
Histone.com - Chromatin (1977 words)
Shown graphically at the bottom of the figure, histone H3 lysine 4 methylation (blue) and H3 lysine 9 methylation (red) are associated with discrete regions of this locus, as determined by chromatin immunoprecipitation.
The recent discovery of an enzyme complex that catalyzes the methylation of lysine 27 on the H3 tail indicates that this modification stimulates the epigenetic silencing of genes in chromatin nearby the methylated region.
Histone H2B is phosphorylated in response to signals inducing apoptosis (35).
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