Oligonucleotides used in this study.

Capital letters indicate N. meningitidis derived sequences, small letters indicate sequences added for cloning purposes, and underlined letters indicate restriction enzyme recognition sites.大写字母代表脑膜炎奈瑟菌（N. meningitidis）的衍生序列，小写字母代表为克隆目的添加的序列，下划线字母代表限制性内切酶识别位点。