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We have isolated and structurally characterized genomic DNA and cDNA sequences encoding ribulose - 1 , 5 - bisphosphate carboxylase / oxygenase ( Rbu - P2 carboxylase ) activase from barley ( Hordeum vulgare L . ) .
 GENE: ribulose - 1 , 5 - bisphosphate carboxylase / oxygenase ( Rbu - P2 carboxylase ) activase
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: ribulose - 1 , 5 - bisphosphate carboxylase / oxygenase ( Rbu - P2 carboxylase ) activase