13204
Degenerate primers corresponding to the TFIIIA zinc-finger consensus amino acid sequences and to the POU-homeodomain and POU-specific domain were used to amplify genes on the basis that they contained similarities in structural motifs shared within these families of transcription factors .
 ( DNA: TFIIIA zinc-finger consensus amino acid sequences, None) , ( protein: POU-homeodomain, None) , ( protein: POU-specific domain, None) , ( protein: TFIIIA zinc-finger, None) , ( protein: transcription factors, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: TFIIIA zinc-finger consensus amino acid sequences, None) , ( protein: POU-homeodomain, None) , ( protein: POU-specific domain, None) , ( protein: TFIIIA zinc-finger, None) , ( protein: transcription factors, None) 