10917
The experimentally mapped regions of RPB5 involved in these interactions correspond to distinct and surface - exposed alpha - helical structures .
 GENE: RPB5
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: RPB5 
Answer:
 GENE: RPB5