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Herein , we describe the fragment - based approach of targeting the interaction between the tumour suppressor BRCA2 and the recombination enzyme RAD51 ; it makes use of a screening pipeline of biophysical techniques that we expect to be more generally applicable to similar targets .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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