Search Ontology:
GO: Cellular Component
perinucleolar compartment
- Term ID
- GO:0097356
- Synonyms
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- perinucleolar region
- Definition
- The perinucleolar compartment (PNC) is a subnuclear structure associated with, but structurally distinct from, the nucleolus. The PNC contains large amounts of the heterogeneous nuclear ribonucleoprotein complex (hnRNP) called hnRNP 1 (PTB). Many RNA binding proteins as well as RNA polymerase III transcripts are highly enriched in this compartment. PTB and pol III transcripts are required for the integrity of the PNC. (2)
- References
- Ontology
- GO: Cellular Component QuickGO AmiGO
- is part of
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- is a type of
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Phenotype
Phenotype caused by Genes