O4'-(phospho-5'-adenosine)-L-tyrosine (2S)-2-amino-3-[4-(5'-adenosine phosphonoxy)phenyl]propanoic acid 329.052520751953125 329.209991455078125 492.1158447265625 492.3800048828125 5'-adenylic-O-tyrosine A protein modification that effectively crosslinks an L-tyrosine residue and 5'-phosphoadenosine through a phosphodiester bond to form O4'-(phospho-5'-adenosine)-L-tyrosine. AMP binding site C 10 H 12 N 5 O 6 P 1 C 19 H 21 N 6 O 8 P 1 From DeltaMass: Average Mass: 329. MOD:00208 MOD_RES O-AMP-tyrosine O-5'-Adenosylation ( of Tyrosine) O4'-(phospho-5'-adenosine)-L-tyrosine O4'-L-tyrosine 5'-adenosine phosphodiester OAMPTyr PSI-MOD Phosphoadenosine Unimod:405 Y hydrogen 5'-adenylate tyrosine ester natural uniprot.ptm:PTM-0332 modified L-tyrosine residue adenylated residue