Noun
a simple protein containing mainly basic amino acids; present in cell nuclei in association with nucleic acids
Source: WordNetArrow points to sex chromatin in DAPI-stained cell nucleus, and to the corresponding sex chromatin site in the histone macroH2A1-staining. Source: Internet
Each core histone possesses a `tail' structure, which can vary in several ways; it is thought that these variations act as "master control switches," which determine the overall arrangement of the chromatin. Source: Internet
Based on Rodriguez-Paredes and Esteller, Nature, 2011 A huge catalogue of histone modifications have been described, but a functional understanding of most is still lacking. Source: Internet
Because of this, lysine methylation tends to be a very informative mark and dominates the known histone modification functions. Source: Internet
Chromatin is the complex of DNA and the histone proteins with which it associates. Source: Internet
Epigenetic Options seeAlso Epigenetics is the study of heritable changes in gene activity that are not caused by changes in the DNA sequence, often a result of environmental or dietary damage to the histone receptors within the cell. Source: Internet