>1utbB (B:) SEQRES residues mnngegevmdlrdidlnllvvfnqllldrsvstageklgltqpavsnslkrlrtalnddl flrtskgmeptpyalhlaepviyalntlqtalttrdsfdpfastrtfnlamtdigemyfm pplmealaqraphiqistlrpnagnlsedmesgavdlalgllpelqtgffqrrlfrhryv cmfrkdhpsakspmslkqfselehvgvvalntghgevdglleragikrrmrlvvphfiai gpilhstdliatvperfavrcevpfglttsphpaklpdiainlfwhakynrdpgnmwlrq lfvelfseahhhhhh