Chains and heterogens:
PDB Chain Sequences:
>1utbA (A:) mnngegevmdlrdidlnllvvfnqllldrsvstageklgltqpavsnslkrlrtalnddl flrtskgmeptpyalhlaepviyalntlqtalttrdsfdpfastrtfnlamtdigemyfm pplmealaqraphiqistlrpnagnlkedmesgavdlalgllpelqtgffqrrlfrhryv cmfrkdhpsakspmslkqfselehvgvvalntghgevdglleragikrrmrlvvphfiai gpilhstdliatvpqrfavrcevpfglttsphpaklpdiainlfwhakynrdpgnmwlrq lfvelfseahhhhhh
>1utbA (A:) sfdpfastrtfnlamtdigemyfmpplmealaqraphiqistlrpnagnlkedmesgavd lalgllpelqtgffqrrlfrhryvcmfrkdhpsakspmslkqfselehvgvvalntghge vdglleragikrrmrlvvphfiaigpilhstdliatvpqrfavrcevpfglttsphpakl pdiainlfwhakynrdpgnmwlrqlfvelfseah
>1utbB (B:) mnngegevmdlrdidlnllvvfnqllldrsvstageklgltqpavsnslkrlrtalnddl flrtskgmeptpyalhlaepviyalntlqtalttrdsfdpfastrtfnlamtdigemyfm pplmealaqraphiqistlrpnagnlsedmesgavdlalgllpelqtgffqrrlfrhryv cmfrkdhpsakspmslkqfselehvgvvalntghgevdglleragikrrmrlvvphfiai gpilhstdliatvperfavrcevpfglttsphpaklpdiainlfwhakynrdpgnmwlrq lfvelfseahhhhhh
>1utbB (B:) yalntlqtalttrdsfdpfastrtfnlamtdigemyfmpplmealaqraphiqistlrpn agnlsedmesgavdlalgllpelqtgffqrrlfrhryvcmfrkdhpsakspmslkqfsel ehvgvvalntghgevdglleragikrrmrlvvphfiaigpilhstdliatvperfavrce vpfglttsphpaklpdiainlfwhakynrdpgnmwlrqlfvelfsea