928
At least one such complex is eliminated by preincubating the nuclear extract with an antibody with broad cross - reactivity with Ets - 1 and Ets - 2 proteins , thus confirming that an ETS transcription factor ( s ) recognizes the - 12 motif .
 GENE: Ets - 1; GENE: Ets - 2 proteins; GENE: ETS transcription factor ( s )
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: Ets - 1; GENE: Ets - 2 proteins; GENE: ETS transcription factor ( s )