... herewith HIV-1 and MLV RTs (Fig. 3) and previously by theseRTs and the RTs of HIV-2, EIAV, MMTV and AMV[16,18,19,23,29]. With all other RTs the efficiency ofpreformed mispair extension with the same ... betterunderstanding of the structure and function of retroviralRT. Therefore, the investigation of RT of other retrovirusesshould expand our understanding of the catalytic propertiesof these closely ... relative to the other twoRTs studied. Two parameters of fidelity were studied, the capacity to incorporate incorrect nucleotides at the 3¢ end of the nascent DNA strand and the ability to extend these...