... HIV-1 reverse transcriptase codon 74 in the background of K65R mutation leads to an increased processivity of K65R+ L74I enzyme and a replication competent virusHimaBindu Chunduri1, David Rimland2, ... five independent processivity assayswere performed f or each RT and statistical values thatinclude mean, median, standard deviation and maximum and minimum were obtained. A paired analysis ... [34,38,39]. In an era of combination therapy and the selection of MDR mutations, it is important to assess the interaction among mutations in relation to viral replication fitness and the possible impact...