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Gene Ontology Information

Protein Name Sir4p
Description SIR protein involved in assembly of silent chromatin domains; silent information regulator (SIR) along with SIR2 and SIR3; involved in assembly of silent chromatin domains at telomeres and the silent mating-type loci; some SIR4 alleles prolong lifespan; required for Ku-mediated telomerase recruitment, telomere lengthening, and telomere hypercluster formation in quiescent yeast cells
GO Terms:
Biological Process
level 4: establishment of protein-containing complex localization to telomere external link
level 6: telomere tethering at nuclear periphery external link
level 7: positive regulation of heterochromatin formation external link
level 8: double-strand break repair via nonhomologous end joining external link
level 8: subtelomeric heterochromatin formation external link
level 10: silent mating-type cassette heterochromatin formation external link
GO Terms:
Molecular Function
level 2: molecular adaptor activity external link
level 4: nucleosome binding external link
level 5: DNA binding external link
level 6: double-stranded DNA binding external link
GO Terms:
Cellular Component
level 4: chromosome, telomeric region external link
level 4: chromatin silencing complex external link
level 5: nucleus external link
External source Open in SGD external link
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