9030
This hypothesis was tested by introducing mutations at each of the three histidine pairs , the H382 - X2 - H385 pair , the H411 - X2 - H414 pair and the H430 - X5 - H436 pair , which constitute the histidine - rich region near the C terminus of gp17 .
 GENE: gp17
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: gp17 
Answer:
 GENE: gp17