The biosynthesis of spermidine and spermine from putrescine and methionine.
D000588:Amines / Q000378:metabolism*; D008715:Methionine / Q000378:metabolism*; D011700:Putrescine; D013095:Spermidine; D013096:Spermine / Q000378:metabolism*
D000588:Amines; D013096:Spermine; D008715:Methionine; D013095:Spermidine; D011700:Putrescine
AMINES/metabolism; METHIONINE/metabolism; SPERMINE/metabolism