2240
Deletion analysis of the 7 . 3 - kb GATA - 2 promoter region revealed that a 1 . 1 - kb DNA sequence is critical for expression of GATA - 2 in neurons .
 GENE: 7 . 3 - kb GATA - 2 promoter region; GENE: GATA - 2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: 7 . 3 - kb GATA - 2 promoter region; GENE: GATA - 2