8316
In an effort to separate domains of FadR required for DNA binding , dimerization , and ligand binding , chimeric protein fusions between the DNA binding domain of LexA and different regions of FadR were constructed .
 GENE: FadR; GENE: LexA; GENE: FadR
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: FadR, LexA, FadR 
Answer:
 GENE: FadR; GENE: LexA; GENE: FadR