. "Catalysis of the reaction: stearoyl-[acyl-carrier protein] + reduced acceptor + O2 = oleoyl-[acyl-carrier protein] + acceptor + H2O. The enzyme requires ferredoxin." . . "acyl-[acyl-carrier-protein] desaturase activity" . "acyl-[acyl-carrier protein] desaturase activity" . "acyl-acyl-carrier-protein desaturase activity" . "acyl-acyl-carrier-protein, hydrogen-donor:oxygen oxidoreductase activity" . "stearyl acyl carrier protein desaturase activity" . "stearyl-ACP desaturase activity" . . .