Chains and heterogens:
PDB Chain Sequences:
>2c18A (A:) msftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgv erlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfp elgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdg rigairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansd ealhevaadlaegadmvmvxpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngw laesvilesltafkragadgiltyfakqaaeqlrrgr
>2c18A (A:) ftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgver lsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpel giitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgri gairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansdea lhevaadlaegadmvmvxpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwla esvilesltafkragadgiltyfakqaaeqlrrg
>2c18B (B:) msftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgv erlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfp elgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdg rigairealesaghtnvrvmaysakyasayygpfrdavgsasnlgkgnkatyqmdpansd ealhevaadlaegadmvmvxpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngw laesvilesltafkragadgiltyfakqaaeqlrrgr
>2c18B (B:) sftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgve rlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpe lgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgr igairealesaghtnvrvmaysakyasayygpfrdavgsankatyqmdpansdealheva adlaegadmvmvxpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwlaesvil esltafkragadgiltyfakqaaeqlrrg