passages.id: split_1_test_977_passage
passages.type: progene_text
passages.text: Moreover , our data reveal that the enhancer A is simultaneously bound by AP-1 / ATF and rel / NF-kappaB transcription factors and that the cellular coactivator p300 , which enhances enhancer A-driven reporter gene expression if cotransfected , is recruited to the enhancer A through this multiprotein complex .