# pathway putrescine step puo # Singleton 1 SwissProt::O23349,metacyc::AT4G14940-MONOMER AO1_ARATH;; O23349 Arabidopsis thaliana (Mouse-ear cress);; Arabidopsis thaliana Singleton1 Primary amine oxidase 1; AtAO1; EC 1.4.3.21 curated:SwissProt::O23349 # Singleton 2 metacyc::MONOMER-23 P40974 Kocuria rosea Singleton2 putrescine oxidase subunit (EC 1.4.3.10) curated:metacyc::MONOMER-23