Polyadenylate-binding protein-interacting protein 2

Definition:

Acts as a repressor in the regulation of translation initiation of poly(A)-containing mRNAs. Its inhibitory activity on translation is mediated via its action on PABPC1. Displaces the interaction of PABPC1 with poly(A) RNA and competes with PAIP1 for binding to PABPC1. Its association with PABPC1 results in disruption of the cytoplasmic poly(A) RNP structure organization.

References:

[1]. K Khaleghpour, et al. Translational repression by a novel partner of human poly(A) binding protein, Paip2. Mol Cell. 2001 Jan;7(1):205-16. [Content Brief]

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