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Publikováno v:
Journal of the American Chemical Society. 119:12192-12200
The two available crystallographic structures of cobalamin dependent enzymes, the 27 kDa fragment of the methylcobalamin-dependent enzyme, methionine synthase, from Escherichia coli [Drennan, C. L. et al. Science 1994, 266, 1669] and the 5‘-deoxyad
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
Publikováno v:
Journal of the American Chemical Society. 126(39)
A variety of spectroscopic and computational techniques have been used to examine the thermochromic transition previously reported for the oxidized state of Mn-dependent superoxide dismutase from E. coli in the presence of substrate analog azide (N(3