The PheRS-m (dFARS2 in publication) rescue region is chr2R:13967808..13970163 ((Release 6), and the primers used for amplifying this genomic fragment are the following: Forward: 5'-CGCGGATCCACCAACGCAAGCATCTCA-3' Reverse: 5'-CCGGAATTCCACCGAAACCCGAGGATA-3'