Cleavage of the 5'-NAD-cap of an RNA. The NAD-cap is present at the 5'-end of some RNAs in both bacetria and eukaryotes. While it promotes RNA stability in bacteria, it promotes RNA decay in eukaryotes.
Source:
GOC:sp,
PMID:31101919,
PMID:28283058,
PMID:25533955