4185
Electrophoretic mobility shift assays demonstrated that sequences within this region bind members of the Sp1 family of transcription factors .
 GENE: Sp1 family of transcription factors
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: Sp1 family of transcription factors