ENGINEERED RESIDUE IN CHAIN A, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN A, LEU 24 TO MSE ...ENGINEERED RESIDUE IN CHAIN A, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN A, LEU 24 TO MSE ENGINEERED RESIDUE IN CHAIN B, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN B, LEU 24 TO MSE ENGINEERED RESIDUE IN CHAIN C, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN C, LEU 24 TO MSE ENGINEERED RESIDUE IN CHAIN D, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN D, LEU 24 TO MSE ENGINEERED RESIDUE IN CHAIN E, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN E, LEU 24 TO MSE ENGINEERED RESIDUE IN CHAIN F, LEU 23 TO MSE ENGINEERED RESIDUE IN CHAIN F, LEU 24 TO MSE