The histone code is a hypothesis that the transcription of genetic information encoded in DNA is in part regulated by chemical modifications (known as...
16 KB (1,689 words) - 22:30, 1 April 2024
In biology, histones are highly basic proteins abundant in lysine and arginine residues that are found in eukaryotic cell nuclei and in most Archaeal phyla...
91 KB (10,379 words) - 13:53, 22 May 2025
Chromatin remodeling (section Histone code hypothesis)
sequence on the coding region of the DNA. However, DNA is tightly packaged in the nucleus with the help of packaging proteins, chiefly histone proteins to...
50 KB (5,523 words) - 18:34, 22 May 2025
Histone acetylation and deacetylation are the processes by which the lysine residues within the N-terminal tail protruding from the histone core of the...
58 KB (7,027 words) - 19:10, 31 May 2025
variants of histone H3. These are denoted as Histone H3.1, Histone H3.2, Histone H3.3, Histone H3.4 (H3T), Histone H3.5, Histone H3.X and Histone H3.Y but...
6 KB (623 words) - 21:05, 23 May 2025
H3K4me3 (section Understanding histone modifications)
modification to the DNA packaging protein Histone H3 that indicates tri-methylation at the 4th lysine residue of the histone H3 protein and is often involved in...
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histone modifications defined by the histone code and additional epigenetic modifications such as DNA methylation. The base for the epigenetic code is...
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Histone deacetylase inhibitors (HDAC inhibitors, HDACi, HDIs) are chemical compounds that inhibit histone deacetylases. Since deacetylation of histones...
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Nucleosome (redirect from Histone post-translational modification)
eight proteins called histones, which are known as a histone octamer. Each histone octamer is composed of two copies each of the histone proteins H2A, H2B...
56 KB (6,666 words) - 13:34, 23 May 2025
Histone acetyltransferases (HATs) are enzymes that acetylate conserved lysine amino acids on histone proteins by transferring an acetyl group from acetyl-CoA...
53 KB (6,150 words) - 15:38, 9 June 2025
Epigenetics (section Histone modifications)
methylation and histone modification, each of which alters how genes are expressed without altering the underlying DNA sequence. Further, non-coding RNA sequences...
159 KB (18,196 words) - 20:03, 3 June 2025
H3K27ac (section Histone modifications)
packaging protein histone H3. It is a mark that indicates acetylation of the lysine residue at N-terminal position 27 of the histone H3 protein. H3K27ac...
20 KB (1,702 words) - 03:35, 2 June 2025
H3K9me3 (section Understanding histone modifications)
the DNA packaging protein Histone H3. It is a mark that indicates the tri-methylation at the 9th lysine residue of the histone H3 protein and is often associated...
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In molecular biology, a histone octamer is the eight-protein complex found at the center of a nucleosome core particle. It consists of two copies of each...
19 KB (2,478 words) - 01:24, 15 September 2024
Histone H4 is one of the five main histone proteins involved in the structure of chromatin in eukaryotic cells. Featuring a main globular domain and a...
14 KB (1,585 words) - 09:04, 28 May 2025
Similar to other histone proteins, histone H2B has a distinct histone fold that is optimized for histone-histone as well as histone-DNA interactions....
15 KB (1,731 words) - 19:11, 10 December 2024
Histone-modifying enzymes are enzymes involved in the modification of histone substrates after protein translation and affect cellular processes including...
32 KB (3,097 words) - 17:58, 22 May 2025
methyl groups to one's DNA molecules, or more recently, based on the histone code. The strong effects of age on DNA methylation levels have been known...
68 KB (7,301 words) - 10:18, 12 June 2025
Histone methylation is a process by which methyl groups are transferred to amino acids of histone proteins that make up nucleosomes, which the DNA double...
24 KB (2,883 words) - 13:03, 23 May 2025
Histone H2A is one of the five main histone proteins involved in the structure of chromatin in eukaryotic cells. The other histone proteins are: H1, H2B...
17 KB (2,081 words) - 19:45, 23 May 2025
H3K79me2 (section Histone modifications)
the DNA packaging protein Histone H3. It is a mark that indicates the di-methylation at the 79th lysine residue of the histone H3 protein. H3K79me2 is detected...
16 KB (1,228 words) - 00:49, 13 February 2025
Histone H1 is one of the five main histone protein families which are components of chromatin in eukaryotic cells. Though highly conserved, it is nevertheless...
20 KB (2,228 words) - 14:38, 23 May 2025
H3K27me3 (section Understanding histone modifications)
modification to the DNA packaging protein histone H3. It is a mark that indicates the tri-methylation of lysine 27 on histone H3 protein. This tri-methylation...
28 KB (2,633 words) - 00:40, 13 February 2025
the field of chromatin biology and histone modifications. Strahl, with C. David Allis proposed the “histone code hypothesis”. Strahl was born in Buffalo...
21 KB (2,098 words) - 04:11, 2 June 2025
specifies how DNA makes proteins, and the histone code regulates histone-DNA interactions, the chaperone code controls how proteins are folded to produce...
11 KB (1,312 words) - 23:12, 3 December 2023
David Allis (Dickson Prize Lecture, September 18, 2002: "Translating the Histone Code: A Tale of Tails") 2003 Susan L. Lindquist (Dickson Prize Lecture, September...
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H4K8ac (section Histone modifications)
to the DNA packaging protein histone H4, is a mark indicating the acetylation at the 8th lysine residue of the histone H4 protein. It has been implicated...
18 KB (1,513 words) - 06:52, 2 June 2025
H3K9ac (section Histone modifications)
packaging protein Histone H3. It is a mark that indicates the acetylation at the 9th lysine residue of the histone H3 protein. The H3K9 histone has two jobs...
20 KB (1,752 words) - 03:51, 2 June 2025
Jenuwein) explicitly associated the histone code with epigenetics, and recognized the clinical significance of histone modifications, especially in cancers...
29 KB (2,286 words) - 04:38, 27 May 2025
Epigenome (section Histone modification)
epigenome of an organism is the collection of chemical changes to its DNA and histone proteins that affects when, where, and how the DNA is expressed; these...
34 KB (3,801 words) - 13:41, 10 March 2025