7637
DNA strand exchange catalyzed by Rad51 protein is also greatly stimulated by RPA .
 GENE: Rad51 protein; GENE: RPA
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Rad51 protein, RPA 
Answer:
 GENE: Rad51 protein; GENE: RPA