Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g14940	Oxidizes preferentially the aliphatic diamine putrescine with production of the corresponding aldehyde, ammonia and hydrogen peroxide.	The Apoplastic Copper AMINE OXIDASE1 Mediates Jasmonic Acid-Induced Protoxylem Differentiation in Arabidopsis Roots.; 2015; DOI: 10.1104/pp.15.00121; PMID: 25883242; https://pubmed.ncbi.nlm.nih.gov/25883242/
Arabidopsis	At1g31690	Copper amine oxidase that can use putrescine and spermidine as substrates.	Copper amine oxidase 8 regulates arginine-dependent nitric oxide production in Arabidopsis thaliana.; 2017; DOI: 10.1093/jxb/erx105; PMID: 28383668; https://pubmed.ncbi.nlm.nih.gov/28383668/
Arabidopsis	At1g31710	Copper amine oxidase that can use putrescine and spermidine as substrates.	Copper-containing amine oxidases contribute to terminal polyamine oxidation in peroxisomes and apoplast of Arabidopsis thaliana.; 2013; DOI: 10.1186/1471-2229-13-109; PMID: 23915037; https://pubmed.ncbi.nlm.nih.gov/23915037/