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