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Marrrta [24]
2 years ago
6

Explain what happens to the imidazole side chain of histidine in a buffer of pH 4.0 and at pH 10.2.

Chemistry
1 answer:
givi [52]2 years ago
4 0

Histidine, an essential amino acid, has as a positively charged imidazole functional group. The imidazole makes it a common participant in enzyme catalyzed reactions. The unprotonated imidazole is nucleophilic and can serve as a general base, while the protonated form can serve as a general acid.

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