The proposed mechanism of the Class I RNR involves
A)electron transfer directly from substrate to tyrosine 122.
B)electron transfer from substrate to various cysteine residues.
C)an exposed tyrosine which accepts an electron from the ribosyl radical.
D)electron donation to external reducing agents.
E)none of the above

Question

Quizplus · Accepted Answer

The Class I ribonucleotide reductase (RNR) mechanism involves electron transfer from the substrate to various cysteine residues within the enzyme.

The Proposed Mechanism of the Class I RNR Involves