
1) Basic amino acid
Found on
https://www.crosswordclues.com/clue/methyllysine

In proteins, the amino acid residue lysine can be methylated once, twice or thrice on its terminal sidechain ammonium group. Such methylated lysines play an important role in epigenetics; the methylation of specific lysines of certain histones in a nucleosome alters the binding of the surrounding DNA to those histones, which in turn affects the ex...
Found on
http://en.wikipedia.org/wiki/Methyllysine
No exact match found.