Chp1 a chromodomain protein associates with the S. pombe mating type locus and telomeres. Chp1 localization to heterochromatin depends on its chromodomain and the C-terminal domain of the protein. Chp1 and centromeric siRNAs are components of the RITS (RNA-induced initiation of transcriptional gene silencing) complex. The association of RITS with centromeres is linked to Dicer activity, which is required to cleave centromeric transcripts to produce short interfering RNAs that actively recruit components of heterochromatin to centromeres.
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Protein Aliases: calcineurin B homolog; Calcineurin B homologous protein 1; Calcineurin B-like protein; calcineurin homologous protein; calcineurin-like EF hand protein 1; calcineurin-like EF-hand protein 1; calcium binding protein P22; Calcium-binding protein CHP; Calcium-binding protein p22; EF-hand calcium-binding domain-containing protein p22; SLC9A1 binding protein; SLC9A1BP
Gene Aliases: CHP; CHP1; p22; p24; Sid470p; SLC9A1BP
UniProt ID: (Human) Q99653
Entrez Gene ID: (Human) 11261