4496
However , mutations of the C - rich element that disrupted a GC box located on the inverse strand eliminated PMA responsiveness and , in gel mobility shift assays , eliminated binding of Sp1 .
 GENE: Sp1
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