3. Describe the diagram. What types of modifications are depicted? Explain the activities of each of the enzymes involved in the different histone modifications: HATs, HDACs, HMT, HDMT. The enzymes are named for their biochemical function, the H stands for Histone. You can see their activities on the arrows of the reaction they catalyze.
Acetyltransferase
H3
H3
Deacetylase
H4
H4
Methyltransferase
HE
Demethylase
H4
H4