Usage examples (28)

• They tag a protein called histone H2A, which directs DNA damage response proteins to accumulate at the sites of damage.
• The enzymes are known as histone demethylases because they remove methyl groups (chemical modifications of a protein) from histones.
• The team at Oklahoma Medical Research Foundation (OMRF) has discovered that a protein called histone is responsible for much of the damage.
• When histones are acetylated by a protein called histone acetyltransferase (HAT), the strand begins to loosen, which allows gene expression.