Cleavage and polyadenylation specificity factor subunit 2 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 ''CPSF2''

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 ...

. This protein is a subunit of the cleavage and polyadenylation specificity factor (CPSF) complex which plays a key role in pre-mRNA 3' end processing and polyadenylation. The CPSF2 protein connects the two subunits of the complex, mCF and mPSF. Its structure contributes both to the stability of the subunits interaction and to the flexibility of the complex necessary for function. This protein has been identified as an essential subunit of the complex as certain mutations in the region inhibit CPSF complex formation.

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