1109
The LTR - binding activities of VBP , a1 / EBP , and B - cell nuclear extract protein were compared and mapped by gel shift , DNase I footprinting , and methylation interference assays .
 GENE: VBP; GENE: a1 / EBP; GENE: B - cell nuclear extract protein; GENE: DNase I
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: VBP; GENE: a1 / EBP; GENE: B - cell nuclear extract protein; GENE: DNase I