derives from hypusine 215.1633758544921875 215.2899932861328125 87.06841278076171875 87.12000274658203125 K (2S,9R)-2,11-diazanyl-9-hydroxy-7-azaundecanoic acid C 10 H 21 N 3 O 2 N-(4-NH2-2-OH-butyl)- (of Lysine) natural (2S)-2-amino-6-([(2R)-4-amino-2-hydroxybutyl]amino)hexanoic acid hypusine Hypusine A protein modification that effectively converts an L-lysine residue to hypusine, N6-(4-amino-2-hydroxybutyl)-L-lysine. MOD:00125 C 4 H 9 N 1 O 1 N6-(4-amino-2-hydroxybutyl)-L-lysine (2S,9R)-hypusine 2-azanyl-6-[(4-azanyl-2-hydroxybutyl)azanyl]hexanoic acid This modification occurs uniquely in translation initiation factor eIF-5A [JSG]. MOD_RES Hypusine none Hypu PSI-MOD L-hypusine modified L-lysine residue L-deoxyhypusine 4-aminobutylated residue