6919
Consistent with this interpretation , recombinant CREB and activating transcription factor proteins bound the junB CRE - like site , but did not interact with a mutant CRE - like site .
 GENE: recombinant CREB; GENE: activating transcription factor proteins; GENE: junB
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: recombinant CREB, activating transcription factor proteins, junB 
Answer:
 GENE: recombinant CREB; GENE: activating transcription factor proteins; GENE: junB