HBxAg expresses transcription which has the role of regulation including favorable interact sites,which can bind with NF1,C/EBP,ATF and APl/Jun-Fos.

• HBxAg表达具有调节作用的转录包含顺式相互作用位点，能与转录因子NF1、C/EBP、ATF和AP1/Jun-Fos结合而且肿瘤抑制基因产物p53可与之结合并抑制启动子功能。