3630
RNA determinants required for L4 - mediated attenuation control of the S10 r - protein operon of Escherichia coli .
 GENE: L4; GENE: S10 r - protein operon of Escherichia coli
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: L4; GENE: S10 r - protein operon of Escherichia coli