Catalytic role in the active sites of enzymes

Reference no: EM13533311

Why is histidine very commonly found to play a catalytic role in the active sites of enzymes?

1. Because its pKavalue is in the physiological range
2. None of theother choices are correct
3. Because of itssize
4. Because of thepresence of an aromatic ring
5. Because it ishydrophobic.

Reference no: EM13533311

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