O-(phospho-5'-adenosine)-L-threonine (2S,3R)-2-amino-3-(5'-adenosine phosphonoxy)butanoic acid 329.052520751953125 329.209991455078125 430.100189208984375 430.30999755859375 5'-adenylic-O3-L-threonine A protein modification that effectively crosslinks an L-threonine residue and 5'-phosphoadenosine through a phosphodiester bond to form O-(phospho-5'-adenosine)-L-threonine. ACT_SITE O-AMP-threonine intermediate AMP binding site C 10 H 12 N 5 O 6 P 1 C 14 H 19 N 6 O 8 P 1 L-threonine monoanhydride with 5'-adenylic acid MOD:00272 MOD_RES O-AMP-threonine O(gamma)-5'-adenylic-L-threonine O-(phospho-5'-adenosine)-L-threonine O3-(phospho-5'-adenosine)-L-threonine O3-L-threonine 5'-adenosine phosphodiester PSI-MOD Phosphoadenosine T Unimod:405 beta-5'-adenylic-L-threonine natural uniprot.ptm:PTM-0393 modified L-threonine residue adenylated residue