Chains and heterogens:
PDB Chain Sequences:
>5xpxA (A:) maswshpqfekgaddddkvprgsaslrandapivllhgftgwgreemfgfkywggvrgdi eqwlndngyrtytlavgplssnwdraceayaqlvggtvdygaahaakhgharfgrtypgl lpelkrggrihiiahsqggqtarmlvsllengsqeereyakahnvslsplfegghhfvls vttiatphdgttlvnmvdftdrffdlqkavleaaavasnvpytsqvydfkldqwglrrqp gesfdhyferlkrspvwtstdtarydlsvsgaeklnqwvqaspntyylsfstertyrgal tgnhypelgmnafsavvcapflgsyrnptlgiddrwlendgivntvsmngpkrgssdriv pydgtlkkgvwndmgtynvdhleiigvdpnpsfdirafylrlaeqlaslrppgfssisah hhhhhhhhh
>5xpxA (A:) randapivllhgftgwgreemfgfkywggvrgdieqwlndngyrtytlavgplssnwdra ceayaqlvggtvdygaahaakhgharfgrtypgllpelkrggrihiiahsqggqtarmlv sllengsqeereyakahnvslsplfegghhfvlsvttiatphdgttlvnmvdftdrffdl qkavleaaavasnvpytsqvydfkldqwglrrqpgesfdhyferlkrspvwtstdtaryd lsvsgaeklnqwvqaspntyylsfstertyrgaltgnhypelgmnafsavvcapflgsyr nptlgiddrwlendgivntvsmngpkrgssdrivpydgtlkkgvwndmgtynvdhleiig vdpnpsfdirafylrlaeqlaslr
>5xpxE (E:) maswshpqfekgaddddkvprgsaslrandapivllhgftgwgreemfgfkywggvrgdi eqwlndngyrtytlavgplssnwdraceayaqlvggtvdygaahaakhgharfgrtypgl lpelkrggrihiiahsqggqtarmlvsllengsqeereyakahnvslsplfegghhfvls vttiatphdgttlvnmvdftdrffdlqkavleaaavasnvpytsqvydfkldqwglrrqp gesfdhyferlkrspvwtstdtarydlsvsgaeklnqwvqaspntyylsfstertyrgal tgnhypelgmnafsavvcapflgsyrnptlgiddrwlendgivntvsmngpkrgssdriv pydgtlkkgvwndmgtynvdhleiigvdpnpsfdirafylrlaeqlaslrppgfssisah hhhhhhhhh
>5xpxE (E:) dapivllhgftgwgreemfgfkywggvrgdieqwlndngyrtytlavgplssnwdracea yaqlvggtvdygaahaakhgharfgrtypgllpelkrggrihiiahsqggqtarmlvsll engsqeereyakahnvslsplfegghhfvlsvttiatphdgttlvnmvdftdrffdlqka vleaaavasnvpytsqvydfkldqwglrrqpgesfdhyferlkrspvwtstdtarydlsv sgaeklnqwvqaspntyylsfstertyrgaltgnhypelgmnafsavvcapflgsyrnpt lgiddrwlendgivntvsmngpkrgssdrivpydgtlkkgvwndmgtynvdhleiigvdp npsfdirafylrlaeqlaslr