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What does PABP stand for?

PABP stands for poly-(A) binding protein


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Polyadenylation of mRNA has a strong effect on its nuclear transport, translation efficiency, and stability. All of these as well as the process of polyadenylation depend on binding of specific RBPs. All eukaryotic mRNAs with few exceptions are processed to receive 3’ poly (A) tails of about 200 nucleotides. One of the necessary protein complexes in this process is CPSF. CPSF binds to the 3’ tail (AAUAAA) sequence and together with another protein called poly(A)-binding protein.