2018
DOI: 10.7554/elife.34334
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Serine is the major residue for ADP-ribosylation upon DNA damage

Abstract: Poly(ADP-ribose) polymerases (PARPs) are a family of enzymes that synthesise ADP-ribosylation (ADPr), a reversible modification of proteins that regulates many different cellular processes. Several mammalian PARPs are known to regulate the DNA damage response, but it is not clear which amino acids in proteins are the primary ADPr targets. Previously, we reported that ARH3 reverses the newly discovered type of ADPr (ADPr on serine residues; Ser-ADPr) and developed tools to analyse this modification (Fontana et … Show more

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Cited by 194 publications
(245 citation statements)
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“…ADP-ribosylation is a dynamic chemical modification that is regulated both at the level of addition and the removal of ADPr groups. PARPs have been shown to target mostly Glu/Asp or Ser residues (8)(9)(10)(11)(12). Poly-ADP-ribosylation can be removed by the action of two divergent enzymes, poly(ADP-ribose) glycohydrolase (PARG) and ADP-ribosylhydrolase 3 (ARH3) (13,14).…”
Section: Introductionmentioning
confidence: 99%
“…ADP-ribosylation is a dynamic chemical modification that is regulated both at the level of addition and the removal of ADPr groups. PARPs have been shown to target mostly Glu/Asp or Ser residues (8)(9)(10)(11)(12). Poly-ADP-ribosylation can be removed by the action of two divergent enzymes, poly(ADP-ribose) glycohydrolase (PARG) and ADP-ribosylhydrolase 3 (ARH3) (13,14).…”
Section: Introductionmentioning
confidence: 99%
“…This activity has been observed in human cancer cells (515,516). Serine ADP-ribosylation is a widespread and important PTM, appearing after DNA damage on histones (225,517,518) and high-mobility group proteins, DNA repair factors, and other proteins (519,520). The sequence motifs KS and RS were shown to identify substrate proteins (516).…”
Section: Marylation and Its Reversalmentioning
confidence: 90%
“…Conversely, eukaryotic ARTD/ PARP group modifies a multitude of proteins targeting several amino acid residues through a selective mechanism that is still unknown. Amino acids modified by eukaryotic ARTD include serine (abbreviated as Ser-ADPr) and tyrosine (Tyr-ADPr) through O-glycosylation bonds [115,[143][144][145][146][147], negatively charged residues such as glutamic and aspartic amino acids through ester linkages [148,149], positively charged lysine through N-glycosidic bond [150], glycine as in the case of PARP9 [108] and cysteine as reported for PARP8 [43].…”
Section: Amino Acids Modified By Adprmentioning
confidence: 99%
“…Strikingly, modified residues within protein substrates appear spatially restricted within cellular sub-compartments, for instance Tyr-ADPr enriches at ribosomal proteins with the most significant motif consisting of a lysine residue at the +1 position of the modified tyrosine; Arg-ADPr enriches at the ER primarily onto RNA binding proteins, with the motif flanking the arginine residue enriched with serine, and histidine-ADPr enriches at the mitochondrion [151]. Importantly, residues modified by ADPr are also target of additional post-translational modifications (PTMs), such as of phosphorylation, thus suggesting an essential role for ADPr in cross-regulating PTMs in a timedependent fashion [144,145,147,151].…”
Section: Amino Acids Modified By Adprmentioning
confidence: 99%
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