obsolete histone H2B conserved C-terminal lysine ubiquitination (obsolete GO:0071894)
budding yeast H2B K123 ubiquitination
narrow
fission yeast H2B K119 ubiquitination
narrow
mammalian H2B K120 ubiquitination
narrow
OBSOLETE. A histone ubiquitination process in which a ubiquitin monomer is added to a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, and K120 in mammals.