Photochemical tyrosine oxidation in the structurally well-defined alpha 3Y protein: proton-coupled electron transfer and a long-lived tyrosine radical.
De novo proteins as models of radical enzymes.
Structure of a de novo designed protein model of radical enzymes.
Electrochemical and structural properties of a protein system designed to generate tyrosine Pourbaix diagrams.
Reversible voltammograms and a Pourbaix diagram for a protein tyrosine radical.
Reversible phenol oxidation and reduction in the structurally well-defined 2-Mercaptophenol-alpha 3C protein.
Solution NMR structure of 2-mercaptophenol-a3C
Chemical shift assignments of 2-mercaptophenol-a3C
NOE violation cutoff >0.1A, bb dihedral angle violation cutoff >2 degrees, then lowest energy
0.95 mM [U-100% 13C; U-100% 15N] a3Y, 30 mM [U-100% 2H] sodium acetate, 30 mM sodium chloride, 0.25 mM DSS, 0.02 % (w/v) sodium azide, 92% H2O/8% D2O
0.95 mM [U-100% 13C; U-100% 15N] a3Y, 30 mM [U-100% 2H] sodium acetate, 30 mM sodium chloride, 0.25 mM DSS, 0.02 % (w/v) sodium azide, 99.99% D2O
0.95 mM [U-10% 13C; U-100% 15N] a3Y, 30 mM [U-100% 2H] sodium acetate, 30 mM sodium chloride, 0.25 mM DSS, 0.02 % (w/v) sodium azide, 99.99% D2O
Brunger, Adams, Clore, Gros, Nilges and Read
de novo protein, three-helix bundle, redox protein, tyrosine radical, proton-coupled electron transfer