Histones
Synonyms
Histone
Histone H1
Histone H1(s)
Histone H2a
Histone H2b
Histone H3
Histone H3.3
Histone H4
Histone H5
Histone H7
Small chromosomal proteins (approx 12-20 kD) possessing an open, unfolded structure and attached to the DNA in cell nuclei by ionic linkages. Classification into the various types (designated histone I, histone II, etc.) is based on the relative amounts of arginine and lysine in each.