An ester formed between the aldehydic carbon of RIBOSE and the terminal phosphate of ADENOSINE DIPHOSPHATE. It is produced by the hydrolysis of nicotinamide-adenine dinucleotide (NAD) by a variety of enzymes, some of which transfer an ADP-ribosyl group to target proteins.

Synonyms: ADPribose, Adenosine Diphosphate Ribose, Adenosine 5'-Diphosphoribose, Diphosphoribose, Adenosine, Ribose, Adenosine Diphosphate, Adenosine 5'-(trihydrogen diphosphate), P'-5-ester with D-ribose, ADP Ribose, Adenosine 5' Diphosphoribose, Ribose, ADP, 5'-Diphosphoribose, Adenosine, Diphosphate Ribose, Adenosine, ADP-Ribose, Adenosine Diphosphoribose, 20762-30-5