3892
We conclude from these observations that the cTnC 3 ' Ile element is a composite enhancer that functions through the combined interactions of at least five regulatory elements and their cognate binding factors : three or four E - boxes , a MEF - 2 site , and a MEF - 3 site .
 GENE: cTnC 3 ' Ile element; GENE: MEF - 2 site; GENE: MEF - 3 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: cTnC 3 ' Ile element; GENE: MEF - 2 site; GENE: MEF - 3 site