Chains and heterogens:
PDB Chain Sequences:
>1w56A (A:) msftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgv erlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfp elgiitdvclcpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdg rigairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansd ealhevaadlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngw laesvilesltafkragadgiltyfakqaaeqlrrgr
>1w56A (A:) nraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgverlsid qllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpelgiit dvclcpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgrigair ealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansdealhev aadlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwlaesvi lesltafkragadgiltyfakqaaeqlrrg
>1w56B (B:) msftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgv erlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfp elgiitdvclcpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdg rigairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansd ealhevaadlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngw laesvilesltafkragadgiltyfakqaaeqlrrgr
>1w56B (B:) anraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgverlsi dqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpelgii tdvclcpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgrigai realesaghtnvrvmaysakyasayygpfrdavgsnkatyqmdpansdealhevaadlae gadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwlaesvileslta fkragadgiltyfakqaaeqlrrg