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The enzyme ACC oxidase catalyses the last step of ethylene biosynthesis in plants , converting 1 - aminocyclopropane - 1 - carboxylic acid ( ACC ) to ethylene .
 GENE: enzyme ACC oxidase
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: enzyme ACC oxidase