10130
A 5 ' RNA stem - loop participates in the transcription attenuation mechanism that controls expression of the Bacillus subtilis trpEDCFBA operon .
 Bacillus subtilis trpEDCFBA operon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Bacillus subtilis trpEDCFBA operon