In an ideal scenario, the genetic code is expanded by one codon, thus having been liberated from its old function and fully reassigned to a non-canonical amino acid (ncAA) (“code expansion”).
在理想的情况下，遗传密码将由一个密码子扩展的，因此从旧的功能中释放并完全重新定义给一个非常规的氨基酸（ncAA） （ “代码扩展” ） 。