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Dominant - negative mutations in the G - protein - coupled alpha - factor receptor map to the extracellular ends of the transmembrane segments .
 GENE: G - protein - coupled alpha - factor receptor
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: G - protein - coupled alpha - factor receptor