Jianxun Lin

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The ubiquitous and abundant cytoplasmic poly(A) binding protein (PABP) is a highly conserved multifunctional protein, many copies of which bind to the poly(A) tail of eukaryotic mRNAs to promote translation initiation. The N-terminus of PABP is responsible for the high binding specificity and affinity to poly(A), whereas the C-terminus is known to stimulate(More)
Helix-coil transition kinetics of polyadenylic acid [poly(A)] inside a small protein channel is investigated for the first time, at the single molecule level. The confinement of a RNA molecule inside the channel slows its kinetics by nearly 3 orders of magnitude as compared to bulk measurements of free poly(A). These findings are related to the interaction(More)
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