In one embodiment, the invention provides {TAIL ~ an isolated DNA sequence} encoding {HEAD ~ a DEAH box} leflunomide resistant protein 
In one embodiment , the invention provides { TAIL ~ an isolated DNA sequence } encoding { HEAD ~ a DEAH box } leflunomide resistant protein
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH