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A compact and highly condensed form of chromatin. The ordered and organized complex of DNA and protein that forms the chromosome in the nucleus. A condensed form of chromatin, occurring in the nucleus during interphase, that stains strongly with basophilic dyes. The DNA of heterochromatin is typically replicated at a later stage in the cell-division cycle than euchromatin. Any constituent part of a nuclear chromosome, a chromosome found in the nucleus of a eukaryotic cell. Heterochromatic regions of the chromosome found at the telomeres of a chromosome in the nucleus. Any of the regions of heterochromatin that form a reproducible set of dense bands scattered along the euchromatic arms in polytene chromosomes. A region of heterochromatin located near the centromere of a chromosome in the nucleus. A protein complex required for heterochromatin assembly; contains an Argonaute homolog, a chromodomain protein, and at least one additional protein; named for RNA-induced initiation of transcriptional gene silencing. A condensed mass of compacted chromatin that represents an inactivated X chromosome. The ordered and organized complex of DNA and protein that forms the chromosome.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: nuclear heterochromatin
Acc: GO:0005720
Aspect: Cellular Component
Desc: A condensed form of chromatin, occurring in the nucleus during interphase, that stains strongly with basophilic dyes. The DNA of heterochromatin is typically replicated at a later stage in the cell-division cycle than euchromatin.
Proteins in PDR annotated with:
   This term: 28 [Search]
   Term or descendants: 83 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0005720 - nuclear heterochromatin (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle