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Publikováno v:
Journal of the American Chemical Society. 132(24)
E. coli ribonucleotide reductase catalyzes the reduction of nucleoside 5'-diphosphates into 2'-deoxynucleotides and is composed of two subunits: alpha2 and beta2. During turnover, a stable tyrosyl radical (Y*) at Y(122)-beta2 reversibly oxidizes C(43
Autor:
Robert G. Griffin, Sylwia Kacprzak, Brian Hoffman, Erin Artin, JoAnne Stubbe, Hendrik Zipse, Debora Marcela Martino, Nicholas Lees, Martin Kaupp, Gregory J. S. Lohman, Marina Bennati, Stanislaw F. Wnuk
Publikováno v:
Journal of the American Chemical Society
The Escherichia coli ribonucleotide reductase (RNR) catalyzes the conversion of nucleoside diphosphates to deoxynucleotides and requires a diferric-tyrosyl radical cofactor for catalysis. RNR is composed of a 1:1 complex of two homodimeric subunits:
Autor:
JoAnne Stubbe, Peter P. Borbat, Marina Bennati, Veronica Mugnaini, Jack H. Freed, John H. Robblee
Publikováno v:
Journal of the American Chemical Society. 127(43)
The class I E. coli ribonucleotide reductase, composed of homodimers of R1 and R2, catalyzes the conversion of nucleoside diphosphates to deoxynucleoside diphosphates. The reduction process involves the tyrosyl radical on R2 that generates a transien