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PABPC1

PABPC1 is a protein in humans that is encoded by PABPC1 gene. Binds the poly(A) tail of mRNA, including that of its own transcript, and regulates processes of mRNA metabolism such as pre-mRNA splicing and mRNA stability. Its function in translational initiation regulation can either be enhanced by PAIP1 or repressed by PAIP2. Can probably bind to cytoplasmic RNA sequences other than poly(A) in vivo. Involved in translationally coupled mRNA turnover. Implicated with other RNA-binding proteins in the cytoplasmic deadenylation/translational and decay interplay of the FOS mRNA mediated by the major coding-region determinant of instability (mCRD) domain. Involved in regulation of nonsense-mediated decay (NMD) of mRNAs containing premature stop codons; for the recognition of premature termination codons (PTC) and initiation of NMD a competitive interaction between UPF1 and PABPC1 with the ribosome-bound release factors is proposed. By binding to long poly(A) tails, may protect them from uridylation by ZCCHC6/ZCCHC11 and hence contribute to mRNA stability.

PABPC1 Antibodies

PABPC1 for Homo sapiens (Human)

PABPC1 Proteins

PABPC1 Proteins for Homo sapiens (Human)

PABPC1 Proteins for Mus musculus (Mouse)

PABPC1 Proteins for Bos taurus (Bovine)

PABPC1 Proteins for Pongo abelii (Sumatran orangutan)

PABPC1 Proteins for Rattus norvegicus (Rat)