This term is obsolete.
We suggest searching for the text of the ontology term or for a keyword rather than searching for the ontology ID.
For more information, please contact us.
OBSOLETE. The covalent alteration of one or more amino acid residues within a histone protein that takes place during, and results in a modification pattern characteristic of, S phase of the cell cycle.
This term was made obsolete because histone modification already exists and the phase specificity is better captured as an annotation extension.