Robuta

https://www.semanticscholar.org/topic/putrescine-oxidase-activity/2176381 putrescine oxidase activity | Semantic Scholar Catalysis of the reaction: putrescine + O2 + H2O = 4-aminobutanal + NH3 + H2O2. [EC:1.4.3.10, MetaCyc:PUTRESCINE-OXIDASE-RXN] putrescine oxidaseactivitysemanticscholar