function:Component of heterochromatin, may be involved in chromatin structure and function.,PTM:Phosphorylated upon DNA damage, probably by ATM or ATR.,similarity:Belongs to the histone H1/H5 family.,similarity:In the C-terminal section; belongs to the histone H1/H5 family.,subunit:Interacts with CBX5.,
Nucleus . Chromosome . localized in nuclei but not in nucleoli in interphase. Colocalized with chromosomes in mitosis, with a gradually increased during G1 progression and a maximum level during late G1 phase (G1/S). .