2171
The unique nature and arrangement of the ANT1 transcriptional control elements may account for this differential expression .
 GENE: ANT1 transcriptional control elements
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: ANT1 transcriptional control elements 
Answer:
 GENE: ANT1 transcriptional control elements