CLR3
Gene Ontology Biological Process
- chromatin silencing at centromere [IMP]
- chromatin silencing at rDNA [IMP]
- chromatin silencing at silent mating-type cassette [IMP]
- chromatin silencing at telomere [IMP]
- histone H3 deacetylation [IMP]
- histone deacetylation [IDA, IMP]
- maintenance of chromatin silencing at silent mating-type cassette [NAS]
- negative regulation of transcription from RNA polymerase II promoter [IGI, IMP]
- nucleosome positioning [IMP]
- regulation of histone methylation [IMP]
Gene Ontology Molecular Function
Gene Ontology Cellular Component
SIR2
Gene Ontology Biological Process
- chromatin silencing [IMP]
- chromatin silencing at centromere [IMP]
- chromatin silencing at silent mating-type cassette [IGI, IMP]
- chromatin silencing at telomere [IMP]
- histone H3 deacetylation [IDA]
- histone H3-K9 modification [IDA]
- histone H4 deacetylation [IDA]
- histone deacetylation [IDA]
- negative regulation of transcription from RNA polymerase II promoter [IEP]
- positive regulation of heterochromatin assembly [EXP]
- protein localization to chromosome, telomeric region [IMP]
- regulation of histone H3-K9 methylation [IMP]
Gene Ontology Molecular Function- NAD+ binding [IDA]
- NAD-dependent histone deacetylase activity (H3-K9 specific) [IDA]
- NAD-dependent histone deacetylase activity (H4-K16 specific) [IDA]
- histone deacetylase activity [IDA]
- histone deacetylase activity (H3-K14 specific) [IDA]
- histone deacetylase activity (H3-K4 specific) [IDA]
- histone deacetylase activity (H3-K9 specific) [IDA]
- histone deacetylase activity (H4-K16 specific) [IDA]
- NAD+ binding [IDA]
- NAD-dependent histone deacetylase activity (H3-K9 specific) [IDA]
- NAD-dependent histone deacetylase activity (H4-K16 specific) [IDA]
- histone deacetylase activity [IDA]
- histone deacetylase activity (H3-K14 specific) [IDA]
- histone deacetylase activity (H3-K4 specific) [IDA]
- histone deacetylase activity (H3-K9 specific) [IDA]
- histone deacetylase activity (H4-K16 specific) [IDA]
Gene Ontology Cellular Component
Phenotypic Enhancement
A genetic interaction is inferred when mutation or overexpression of one gene results in enhancement of any phenotype (other than lethality/growth defect) associated with mutation or over expression of another gene.
Publication
Sir2 is required for Clr4 to initiate centromeric heterochromatin assembly in fission yeast.
Heterochromatin assembly in fission yeast depends on the Clr4 histone methyltransferase, which targets H3K9. We show that the histone deacetylase Sir2 is required for Clr4 activity at telomeres, but acts redundantly with Clr3 histone deacetylase to maintain centromeric heterochromatin. However, Sir2 is critical for Clr4 function during de novo centromeric heterochromatin assembly. We identified new targets of Sir2 and tested ... [more]
Throughput
- Low Throughput
Ontology Terms
- phenotype: silencing (APO:0000046)
Additional Notes
- loss of centromeric silencing and of centromeric heterochromatin
Related interactions
| Interaction | Experimental Evidence Code | Dataset | Throughput | Score | Curated By | Notes |
|---|---|---|---|---|---|---|
| SIR2 CLR3 | Negative Genetic Negative Genetic Mutations/deletions in separate genes, each of which alone causes a minimal phenotype, but when combined in the same cell results in a more severe fitness defect or lethality under a given condition. This term is reserved for high or low throughput studies with scores. | High | -3.2099 | BioGRID | 525629 | |
| SIR2 CLR3 | Phenotypic Enhancement Phenotypic Enhancement A genetic interaction is inferred when mutation or overexpression of one gene results in enhancement of any phenotype (other than lethality/growth defect) associated with mutation or over expression of another gene. | Low | - | BioGRID | 862519 | |
| SIR2 CLR3 | Synthetic Growth Defect Synthetic Growth Defect A genetic interaction is inferred when mutations in separate genes, each of which alone causes a minimal phenotype, result in a significant growth defect under a given condition when combined in the same cell. | Low | - | BioGRID | 862518 |
Curated By
- BioGRID