Enables identical protein binding activity and primary amine oxidase activity. Involved in several processes, including eating behavior; leukocyte migration involved in inflammatory response; and positive regulation of glucose transmembrane transport. Located in extracellular space and intracellular membrane-bounded organelle. Used to study aortic aneurysm; obesity; type 2 diabetes mellitus; and uveitis. Biomarker of intracranial aneurysm. Orthologous to human AOC3 (amine oxidase copper containing 3). [provided by Alliance of Genome Resources, Apr 2022]