Rik1-associated factor 1

UniProtKB accession:  O74910

Grouped By:  Matching UniProtKB accession

UniProtKB description:  Component of the Clr4 methyltransferase complex (ClrC) which contributes to the establishment of heterochromatin by specifically methylating histone H3 to form H3K9me (PubMed:16024659, PubMed:16040243, PubMed:16157682). ClrC preferentially ubiquitylates H3K14 and ClrC-mediated H3 ubiquitination promotes clr4 methyltransferase activity for the methylation of H3K9 (PubMed:31468675). H3K9me represents a specific tag for epigenetic transcriptional repression by recruiting swi6/HP1 to methylated histones which leads to transcriptional silencing within centromeric heterochromatin, telomeric regions and at the silent mating-type loci (PubMed:16024659, PubMed:16040243, PubMed:16157682, PubMed:18345014). Has a role in both mitotic and meiotic chromosome segregation (PubMed:16040243).