Sites of histone Lysine ribosylation
Site of modification Writers Erasers
H2AK13ar Poly [ADP-ribose] polymerase 1
H2BK30ar Poly [ADP-ribose] polymerase 1
H3K27ar Poly [ADP-ribose] polymerase 1
H3K37ar Poly [ADP-ribose] polymerase 1
H4K16ar Poly [ADP-ribose] polymerase 1