Chains and heterogens:
PDB Chain Sequences:
>2c19A (A:) msftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgv erlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfp elgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdg rigairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansd ealhevaadlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngw laesvilesltafkragadgiltyfakqaaeqlrrgr
>2c19A (A:) ftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgver lsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpel giitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgri gairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansdea lhevaadlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwla esvilesltafkragadgiltyfakqaaeqlrrg
>2c19B (B:) msftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgv erlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfp elgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdg rigairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansd ealhevaadlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngw laesvilesltafkragadgiltyfakqaaeqlrrgr
>2c19B (B:) ftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgver lsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpel giitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgri gairealesaghtnvrvmaysakyasayygpfrdavgsagnkatyqmdpansdealheva adlaegadmvmvkpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwlaesvil esltafkragadgiltyfakqaaeqlrrg