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  Domain Name: ADP_ribosyl
ADP_ribosylating enzymes catalyze the transfer of ADP_ribose from NAD+ to substrates. Bacterial toxins are cytoplasmic and catalyze the transfer of a single ADP_ribose unit to eukaryotic elongation factor 2, halting protein synthesis and killing the cell. Poly(ADP-ribose) polymerases (PARPS 1-3, VPARP, tankyrase) catalyze the addition of up to 100 ADP_ribose units from NAD+. PARPs 1 and 2 are localized in the nucleaus, bind DNA, and are activated by DNA damage. VPARP is part of the vault ribonucleoprotein complex. Tankyrases regulates telomere length in part through poy(ADP_ribosylation) of telomere repeat binding factor 1 (TRF1). Poly(ADP-ribose) polymerase catalyses the covalent attachment of ADP-ribose units from NAD+ to itself and to a limited number of other DNA binding proteins, which decreases their affinity for DNA. Poly(ADP-ribose) polymerase is a regulatory component induced by DNA damage. The carboxyl-terminal region is the most highly conserved region of the protein. Experiments have shown that a carboxyl 40 kDa fragment is still catalytically active.
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 1
Total Disease Mutations Found: 0
This domain occurred 10 times on human genes (13 proteins).




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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
nad+ binding pocket























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Please Cite: Peterson, T.A., Adadey, A., Santana-Cruz ,I., Sun, Y., Winder A, Kann, M.G., (2010) DMDM: Domain Mapping of Disease Mutations. Bioinformatics 26 (19), 2458-2459.

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