3292
Comparison of cDNA and genomic sequences reveals a 4-exon structure characteristic of the FOS family of genes .
 ( DNA: cDNA, None) , ( DNA: 4-exon structure, None) , ( DNA: FOS family of genes, None) , ( DNA: genomic sequences, 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: cDNA, None) , ( DNA: 4-exon structure, None) , ( DNA: FOS family of genes, None) , ( DNA: genomic sequences, None) 