O4-arabinosyl-L-hydroxyproline 148.03717041015625 148.1100006103515625 245.089935302734375 245.2299957275390625 beta-arabinofuranosyl-4-hydroxyproline MOD:00217 4-(beta-L-arabinofuranosyloxy)proline secondary to RESID:AA0030; From DeltaMass: Average Mass: 147. natural C 10 H 15 N 1 O 6 OAra4HyPro C 5 H 8 O 5 4-Glycosyloxy- (pentosyl,C5) (of Proline) (2S,4R)-4-(beta-L-arabinofuranosyloxy)pyrrolidine-2-carboxylic acid glycosyl-L-hydroxyproline P PSI-MOD A protein modification that effectively converts an L-proline residue to O4-arabinosyl-L-hydroxyproline. none O4-glycosyl-hydroxyproline O4-arabinosyl-L-hydroxyproline Glycosyl O-glycosylated residue modified L-proline residue