1.1.1.103 aminopropanol phosphate biosynthesis II - - PWY-7378 1.1.1.103 Glycine, serine and threonine metabolism - 00260 - 1.1.1.103 L-threonine degradation II - - THREONINE-DEG2-PWY 1.1.1.103 L-threonine degradation III (to methylglyoxal) - - THRDLCTCAT-PWY 1.1.1.103 Metabolic pathways - 01100 - 1.1.1.103 threonine metabolism threonine metabolism - -