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Masses of evidence: Mass spectrometry combined with 18O labeling reveals that the imidazole and pyridine complexes [LnZnOH]+ (n=1, 2) are capable of activating carbon dioxide, under thermal conditions. These gas-phase reactions thus provide a simple mimic for the function of the active site in carbonic anhydrase.
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Schröder et al. (2003) studied this question.
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