Telomere-associated protein RIF1 is a

protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metab ...

that in humans is encoded by the ''RIF1''

gene In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional RNA. There are two types of molecular genes: protei ...

. RIF1 and RIF2 cap the chromosome ends (telomeres) in yeast. In higher eukaryotes, Rif1 is involved in DNA damage response, organisation of chromatin architecture and the regulation of replication timing. RIF1 has been shown to bind to RNA in the nucleus.

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