Chains and heterogens:
PDB Chain Sequences:
>7bukA (A:) mspisrhhhhhhlvprgsaslrandapivllhgftgwgreemfgfkywggvrgdieqwln engyrtytlavgplssnwdraceayaqlvggtvdygaahaakhgharfgrtypgllpelk rggrihiiahsqggqnarmlvsllengsqeereyakahnvslsplfegghhfvlsvttia tphdgttlvnmvdftdrffdlqkavleaaavasnvpytsqvydfkldqwglrrqpgesfd hyfdrlkrspvwtstdtarydlsvsgalklnqwvqaspntyylsfstertyrgaltgnhy pelgmnafsavvcapflgsyreptlgiddrwlendgivntvsmngpkrgssdrivpydgt lkkgvwndmgtynvdhleiigvdpnpsfdirafylrlaeqlaslrp
>7bukA (A:) slrandapivllhgftgwgreemfgfkywggvrgdieqwlnengyrtytlavgplssnwd raceayaqlvggtvdygaahaakhgharfgrtypgllpelkrggrihiiahsqggqnarm lvsllengsqeereyakahnvslsplfegghhfvlsvttiatphdgttlvnmvdftdrff dlqkavleaaavasnvpytsqvydfkldqwglrrqpgesfdhyfdrlkrspvwtstdtar ydlsvsgalklnqwvqaspntyylsfstertyrgaltgnhypelgmnafsavvcapflgs yreptlgiddrwlendgivntvsmngpkrgssdrivpydgtlkkgvwndmgtynvdhlei igvdpnpsfdirafylrlaeqlaslrp
>7bukB (B:) mspisrhhhhhhlvprgsaslrandapivllhgftgwgreemfgfkywggvrgdieqwln engyrtytlavgplssnwdraceayaqlvggtvdygaahaakhgharfgrtypgllpelk rggrihiiahsqggqnarmlvsllengsqeereyakahnvslsplfegghhfvlsvttia tphdgttlvnmvdftdrffdlqkavleaaavasnvpytsqvydfkldqwglrrqpgesfd hyfdrlkrspvwtstdtarydlsvsgalklnqwvqaspntyylsfstertyrgaltgnhy pelgmnafsavvcapflgsyreptlgiddrwlendgivntvsmngpkrgssdrivpydgt lkkgvwndmgtynvdhleiigvdpnpsfdirafylrlaeqlaslrp
>7bukB (B:) slrandapivllhgftgwgreemfgfkywggvrgdieqwlnengyrtytlavgplssnwd raceayaqlvggtvdygaahaakhgharfgrtypgllpelkrggrihiiahsqggqnarm lvsllengsqeereyakahnvslsplfegghhfvlsvttiatphdgttlvnmvdftdrff dlqkavleaaavasnvpytsqvydfkldqwglrrqpgesfdhyfdrlkrspvwtstdtar ydlsvsgalklnqwvqaspntyylsfstertyrgaltgnhypelgmnafsavvcapflgs yreptlgiddrwlendgivntvsmngpkrgssdrivpydgtlkkgvwndmgtynvdhlei igvdpnpsfdirafylrlaeqlaslrp