2118
Electrophoretic mobility shift assays revealed that Sp1 binds to two different regions in the proximal promoter , a typical Sp1 site located at ( - 38 ; - 33 ) and a G / C - rich region between ( - 67 ; - 62 ) .
 GENE: Sp1; GENE: Sp1 site
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; GENE: Sp1 site