O4'-(8alpha-FAD)-L-tyrosine (2S)-2-amino-3-(4-[8alpha-riboflavin 5'-(trihydrogen diphosphate) 5'->5'-ester with adenosine]oxyphenyl)propanoic acid 783.1414794921875 783.53997802734375 8alpha-(O4'-tyrosyl)FAD 946.204833984375 946.719970703125 A protein modification that effectively converts an L-tyrosine residue to O4'-(8alpha-FAD)-L-tyrosine. C 27 H 31 N 9 O 15 P 2 C 36 H 40 N 10 O 17 P 2 FAD Flavin adenine dinucleotide From DeltaMass: Average Mass: 783 MOD:00154 MOD_RES O-8alpha-FAD tyrosine O-8 alpha-Flavin [FAD])- (of Tyrosine) O4'-(8alpha-FAD)-L-tyrosine O8aFADTyr PSI-MOD Unimod:50 Y natural uniprot.ptm:PTM-0231 FAD modified residue modified L-tyrosine residue