The RNase H domains of MMLV and HIV-1 RT enzymes are structural very similar to the Escherichia coli and Bacillus halodurans RNases H as well as to human RNaseH1.
Os dominios de RNase H dos encimas RT do MMLV e o VIH-1 son estruturalmente moi similares ás RNase H de Escherichia coli e Bacillus halodurans así como á RNaseH1 humana.