Patent ID: 7323335

Claim:
A DNA expression construct comprising a nucleic acid sequence which encodes a mutant Δ 9 -18:0-ACP desaturase having one or more amino acid substitutions selected from the group consisting of: a) Ala, Thr, Ser, or Ile for Met 114 of SEQ ID NO: 1; b) Arg for Thr 117 of SEQ ID NO: 1; c) Gly, Ala or Cys for Leu 118 of SEQ ID NO: 1; d) Val or Leu for Pro 179 of SEQ ID NO: 1; e) Val, Ser, Phe or Trp for Thr 181 of SEQ ID NO: 1; and f) Leu or Thr for Gly 188 of SEQ ID NO: 1.