6104
Additional exonuclease III protection was observed beyond the core region on both the 5 ' and 3 ' sides , suggesting that E1 interacted with more distal sequences as well .
 GENE: exonuclease III; GENE: E1
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: exonuclease III, E1 
Answer:
 GENE: exonuclease III; GENE: E1