8892
Taken together , these data indicate that the VirD2 omega domain is important for efficient T - DNA integration .
 GENE: VirD2 omega domain
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: VirD2 omega domain 
Answer:
 GENE: VirD2 omega domain