1 e CT and a mutant CT protein (CT-2*) lacking ADP-ribose transferase activity in combination with S49

2 st-translational modification synthetized by ADP-ribose transferases and removed by poly(ADP-ribose)

3 acilitate their removal, one of which is the ADP-ribose transferase (ART) PARP1 (also called ADP-ribo

4              One of these proteins was poly-(ADP-ribose) transferase/polymerase-1 (PARP-1), a DNA-bin

5                                 The 18 human ADP-ribose transferases with diphtheria toxin homology i