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Natali [406]
3 years ago
11

The side chain of ________ has a pka in the physiological ph range and is therefore often involved in proton transfer during enz

ymatic catalysis.
Biology
1 answer:
Sever21 [200]3 years ago
4 0
The answer to this question is histidine. Histidine i<span>s an </span>α-amino acid<span> involved in the biosynthesis of </span>proteins. The structure of histidine includes<span> an </span>α-amino acid<span>, a </span>carboxylic acid group<span>, and an </span>imidazole<span> side chain. Histidine was initially thought to be </span>essential<span> only for infants; however, it has since been found to be essential for adults too.</span>
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