A nucleosome is the basic structural unit of DNA packaging in eukaryotes. The structure of a nucleosome consists of a segment of DNA wound around eight...
56 KB (6,714 words) - 12:13, 2 November 2024
histone octamer is the eight-protein complex found at the center of a nucleosome core particle. It consists of two copies of each of the four core histone...
19 KB (2,478 words) - 01:24, 15 September 2024
The nucleosome repeat length, (NRL) is the average distance between the centers of neighboring nucleosomes. NRL is an important physical chromatin property...
5 KB (590 words) - 07:06, 3 December 2023
Nucleosome Remodeling Factor (NURF) is an ATP-dependent chromatin remodeling complex first discovered in Drosophila melanogaster (fruit fly) that catalyzes...
5 KB (569 words) - 16:35, 7 May 2024
Chromatin (section Nucleosomes and beads-on-a-string)
forming nucleosomes and the so-called beads on a string structure (euchromatin). Multiple histones wrap into a 30-nanometer fiber consisting of nucleosome arrays...
53 KB (5,924 words) - 18:51, 18 September 2024
Epigenetics (section Nucleosome positioning)
involve positive feedback where modified nucleosomes recruit enzymes that similarly modify nearby nucleosomes. A simplified stochastic model for this type...
160 KB (18,271 words) - 15:20, 28 October 2024
S phase (section Nucleosome replication)
strand disrupts parental nucleosome octamers, resulting in the release of H3-H4 and H2A-H2B subunits. Reassembly of nucleosomes behind the replication fork...
15 KB (1,681 words) - 15:45, 29 October 2023
Mi-2/NuRD complex (redirect from Nucleosome Remodelling Deacetylase)
In the field of molecular biology, the Mi-2/NuRD (Nucleosome Remodeling Deacetylase) complex, is a group of associated proteins with both ATP-dependent...
9 KB (1,064 words) - 00:25, 17 May 2024
Nucleosome Positioning Region Database (NPRD) is a database of nucleosome formation sites (NFSs).[when?] International Society for Computational Biology...
1 KB (83 words) - 01:22, 30 April 2022
molecular biology, a chromatosome is a result of histone H1 binding to a nucleosome, which contains a histone octamer and DNA. The chromatosome contains 166...
2 KB (223 words) - 19:05, 2 December 2023