"sequence_id","alias","species","description","type" "YDR227W","No alias","Saccharomyces cerevisiae","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 alleles of SIR4 prolong lifespan; required for telomere hypercluster formation in quiescent yeast cells [Source:SGD;Acc:S000002635]","protein_coding"