Abstract
An inactivator of serine beta-lactamases, 6 beta-iodopenicillanate, can be utilized as a probe in the classification of beta-lactamases. It is a substrate for class-B Zn2+-containing beta-lactamase II. Although it inactivates enzymes from both classes A and C, it is much more efficient for the former group, with which it sometimes interacts following a branched pathway. On the basis of these observations, predictions are made concerning the class to which several enzymes belong.
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Selected References
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