Article
Kinetic isotope effect studies on the de novo rate of chromophore formation in fast- and slow-maturing GFP variants.
Biochemistry - 23 Sept 2008
Pouwels Lauren J, Zhang Liping, Chan Nam H, Dorrestein Pieter C, Wachter Rebekka M
Abstract excerpt
The maturation process of green fluorescent protein (GFP) entails a protein oxidation reaction triggered by spontaneous backbone condensation. The chromophore is generated by full conjugation of the Tyr66 phenolic group with the heterocycle, a process that requires C-H bond scission at the benzylic carbon. We have prepared isotope-enriched protein bearing tyrosine residues deuterated at the beta carbon, and have...
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