Such repression imposes a requirement for both c-Myb and Ets for transcriptional activity , providing one explanation for why synergy between these factors is important .
such repression imposes a requirement for both c-myb and ets for transcriptional activity , providing one explanation for why synergy between these factors is important .
O O O O O O O B-protein_molecule O B-protein_molecule O O O O O O O O O O O O O O O O