Histone proteins are rich in which of the following amino acids?
Correct Answer: Lysine and Arginine
Description: Histone proteins: Rich in positively charged amino acids, lysine and arginine. Carboxyl terminal 2/3rd of histone molecules are hydrophobic, Amino terminal 1/3rd are paicularly rich in basic amino acids. These amino terminal end protrude out of the octamer and is known as histone tail. Amino acids of histone tail undergo post-translational modifications.
Category:
Biochemistry
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