PAMΔ modification makes the RNase Z transgene (gZ+-PAMΔ) resistant to Cas9.

PAMΔ modification makes the RNase Z transgene (gZ+-PAMΔ) resistant to Cas9.PAMΔ修饰可使核糖核酸酶Z（RNase Z）转基因（gZ+-PAMΔ）对Cas9产生抗性。