modified L-threonine residue decarboxylated residue 1-amino-2-propanol -43.98983001708984375 -44.009998321533203125 74.0605926513671875 74.09999847412109375 2-hydroxypropylamine natural isopropanolamine 2-amino-1-methylethanol 1-methyl-2-aminoethanol T decarboxylated threonine PSI-MOD C -1 O -2 MOD_RES Decarboxylated threonine 2-hydroxy-1-propylamine dCbxThr alpha-aminoisopropyl alcohol A protein modification that effectively converts an L-threonine residue into 1-amino-2-propanol. MOD:01388 C 3 H 8 N 1 O 1 1-amino-2-hydroxypropane (2R)-1-aminopropan-2-ol 2-hydroxypropanamine C-term 1-amino-2-propanol threamine