Preheat oven to 450°.
Combine first 5 ingredients in a shallow dish. Place egg whites and egg in a shallow dish. Place flour in a shallow dish. Sprinkle fish with salt and pepper. Dredge fish in flour. Dip in egg mixture; dredge in panko mixture.
Heat 1 tablespoon oil in a large nonstick skillet over medium-high heat. Add 3 fish fillets; cook 2 1/2 minutes on each side or until browned. Place fish on a broiler pan coated with cooking spray. Repeat procedure with remaining 1 tablespoon oil and remaining fish. Bake at 450° for 6 minutes or until fish flakes easily when tested with a fork or until desired degree of doneness.
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