SIR3 / YLR442C Homology


Standard Name
SIR3 1
Systematic Name
YLR442C
SGD ID
SGD:S000004434
Aliases
CMT1 30 , MAR2 31 32 , STE8 33
Feature Type
ORF , Verified
Description
Silencing protein; interacts with Sir2p, Sir4p, and histone H3/H4 tails to establish transcriptionally silent chromatin; required for spreading of silenced chromatin; recruited to chromatin through interaction with Rap1p; C-terminus assumes variant winged helix-turn-helix (wH) fold that mediates homodimerization, which is critical for holo-SIR complex loading; required for telomere hypercluster formation in quiescent yeast cells; has paralog ORC1 from whole genome duplication 1 2 3 4 5 6 7
Name Description
Silent Information Regulator 1
Paralog
ORC1 5
Comparative Info

Homologs

Homology calls are sourced from the Alliance of Genome Resources. Many aspects of data integration presented at the Alliance require a common set of orthology relationships among genes for the organisms represented, including human. The Alliance provides the results of all methods that have been benchmarked by the Quest for Orthologs Consortium (QfO). The homolog inferences from the different methods have been integrated using the DRSC Integrative Ortholog Prediction Tool (DIOPT), which integrates a number of existing methods including those used by the Alliance: Ensembl Compara, HGNC, Hieranoid, InParanoid, OMA, OrthoFinder, OrthoInspector, PANTHER, PhylomeDB, Roundup, TreeFam, and ZFIN.


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Species Gene ID Gene name Source

Functional Complementation

Information about cross-species functional complementation between yeast and other species, curated by SGD and the Princeton Protein Orthology Database (P-POD).


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Gene Species Gene ID Strain background Direction Details Source Reference

Fungal Homologs

Fungal Homology calls are sourced from YeastMine, which compiles fungal homology calls from FungiDB, CGD, Panther, PomBase, TreeFam, HomoloGene, and SGD.


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Species Gene ID Gene name Description Source

External Identifiers

List of external identifiers for the protein from various database sources.


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External ID Source

Resources