The chemical reactions and pathways resulting in the formation of putrescine, 1,4-diaminobutane, from arginine via agmatine.
Synonyms:
exact_synonym:
putrescine anabolism from arginine, using agmatinase; putrescine biosynthesis from arginine, using agmatinase; putrescine biosynthetic process from arginine, using agmatinase; putrescine formation from arginine, using agmatinase; putrescine synthesis from arginine, using agmatinase