1519
An aromatic stacking interaction between subunits helps mediate DNA sequence specificity : operator site discrimination by phage lambda cI repressor .
 GENE: phage lambda cI repressor
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: phage lambda cI repressor