The characteristic sequence of archaeal promoter-DPE(distal promoter element) was the functional element necessary for thepromoter activity of RM07 in both Archaea (Haloferax volcanif) and Eukarya(Saccharomyces cerevisiae).

• 嗜盐古生菌启动子特征序列DPE对于RM07片段在嗜盐古生菌和酵母菌中的启动子活性都是必需的功能元件；