Femtosecond dynamics coupled to chemical barrier crossing in a Born-Oppenheimer enzyme
Volume: 108, Issue: 46, Pages: 18661 - 18665
Published: Nov 7, 2011
Abstract
Contributions of fast (femtosecond) dynamic motion to barrier crossing at enzyme catalytic sites is in dispute. Human purine nucleoside phosphorylase (PNP) forms a ribocation-like transition state in the phosphorolysis of purine nucleosides and fast protein motions have been proposed to participate in barrier crossing. In the present study, 13 C-, 15 N-, 2 H-labeled human PNP (heavy PNP) was expressed, purified to homogeneity, and shown to...
Paper Details
Title
Femtosecond dynamics coupled to chemical barrier crossing in a Born-Oppenheimer enzyme
Published Date
Nov 7, 2011
Volume
108
Issue
46
Pages
18661 - 18665
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