histone base

histone base

n.
The alpha-amino acids arginine, histidine, and lysine that are basic because of their respective side chains of guanidine, imidazole, and an amine group. Also called hexone base.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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