The Escherichia coli ADP-ribose pyrophosphatase, a Nudix enzyme, catalyzes the hydrolysis of ADP-ribose to ribose-5-P and AMP, compounds that can be recycled as part of nucleotide metabolism.

What enzyme(s) catalyze(s ... might this ATPase moonlight as an RNA pyrophosphatase? Does the RNA pyrophosphatase have to be part of the degradosome at all? How universal is this decay mechanism ...