Abstract: In contrast, SC-52151-resistant variants selected from the monocytotropic strain SF162 had multiple substitutions in the
protease gene (
I11V, M461,
F53L,
A71V, and
N88D), and the
N88D mutation, re-created by oligonucleotide-mediated site-directed mutagenesis in HXB2, did not confer resistance to SC-52151.