Eat products corresponding to sour cream, chip dip and cream cheese sparingly because they're usually high in fat and solicitor law firms never considered a significant source of dietary protein. The exception to the rule is the DOT1 family, members of which methylate K79 in the globular area of histone H3 and that are structurally not related to SET-domain proteins four - 6 Current work suggests that SET-domain-containing proteins methylate just a few proteins along with histones (see later)