derives from hypusine (2S)-2-amino-6-([(2R)-4-amino-2-hydroxybutyl]amino)hexanoic acid (2S,9R)-2,11-diazanyl-9-hydroxy-7-azaundecanoic acid (2S,9R)-hypusine 2-azanyl-6-[(4-azanyl-2-hydroxybutyl)azanyl]hexanoic acid 215.1633758544921875 215.3000030517578125 87.06841278076171875 87.12000274658203125 A protein modification that effectively converts an L-lysine residue to hypusine, N6-(4-amino-2-hydroxybutyl)-L-lysine. C 10 H 21 N 3 O 2 C 4 H 9 N 1 O 1 Hypu Hypusine K L-hypusine MOD:00125 MOD_RES Hypusine N-(4-NH2-2-OH-butyl)- (of Lysine) N6-(4-amino-2-hydroxybutyl)-L-lysine PSI-MOD This modification occurs uniquely in translation initiation factor eIF-5A [JSG]. Unimod:379 hypusine natural uniprot.ptm:PTM-0150 modified L-lysine residue L-deoxyhypusine 4-aminobutylated residue