FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term pericentric heterochromatin ID (Ontology) GO:0005721 (Gene Ontology)
Definition Heterochromatin that is located adjacent to the CENP-A rich centromere 'central core' and characterized by methylated H3 histone at lysine 9 (H3K9me2/H3K9me3).[ PubMed:12019236 PubMed:20206496 PubMed:21437270 PubMed:22729156 PubMed:9413993 ]
Also Known As "centric heterochromatin" ; "centromeric heterochromatin"
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Data ClassFieldDirect annotations
Genes (FBgn)GO_CELLULAR_COMPONENT
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 Full annotation statements 
Relevant FlyBase reports
 Genes
 pericentric heterochromatin (all annotations which use CV term, excluding "NOT" statements)
     is_active_in | pericentric heterochromatin
     located_in | pericentric heterochromatin
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chromatin
 |__heterochromatin_________________
chromosomal region                  |
 |__chromosome, centromeric region__|
                                    pericentric heterochromatin  29 rec.
                                     |__alpha-heterochromatin 2 rec.
                                     |__beta-heterochromatin 2 rec.
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Is a heterochromatin
Part of chromosome, centromeric region
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Synonyms
  • "centric heterochromatin" EXACT
    "centromeric heterochromatin" EXACT
    "chromosome, centric outer repeat region" RELATED
    "chromosome, centromeric inner repeat region" RELATED
    "chromosome, centromeric outer repeat region" RELATED
    "nuclear centric heterochromatin" NARROW
    "nuclear cluster" NARROW
    "nuclear pericentric heterochromatin" NARROW
Secondary IDs
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