>3mugB (B:) SEQRES residues eeqlvesgggvvqpggslrlsclasgftfhkygmhwvrqapgkglewvalisddgmrkyh sdsmwgrvtisrdnskntlylqfsslkvedtamffcareaggpiwhddvkyydfndgyyn yhymdvwgkgttvtvssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswns galtsgvhtfpavlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepksc d