lyase activity | carbon-carbon lyase activity | catalytic activity | carboxy-lyase activity | ornithine decarboxylase activity
cellular process | cellular amino acid metabolic process | cellular biogenic amine metabolic process | cellular nitrogen compound biosynthetic process | cellular nitrogen compound metabolic process | polyamine metabolic process | amine metabolic process | cellular biosynthetic process | nitrogen compound metabolic process | small molecule metabolic process | putrescine biosynthetic process from ornithine | biosynthetic process | polyamine biosynthetic process | carboxylic acid metabolic process | metabolic process | ornithine metabolic process | organic substance metabolic process | amine biosynthetic process | organic acid metabolic process | putrescine biosynthetic process | cellular metabolic process