Chains and heterogens:
PDB Chain Sequences:
>2r0tA (A:) ghminyplasstwddleykaiqsvldskmftmgeyvkqyetqfaktfgskyavmvssgst anllmiaalfftkkprlkkgdeiivpavswsttyyplqqyglrvkfvdidintlnidies lkeavtdstkailtvnllgnpnnfdeinkiiggrdiilledncesmgatfnnkcagtfgl mgtfssfyskhiatmeggcivtddeeiyhillcirahgwtrnlpkknkvtgvksddqfee sfkfvlpgynvrplemsgaigieqlkklprfisvrrknaeyfldkfkdhpyldvqqetge sswfgfsfiikkdsgvirkqlvenlnsagiecrpivtgnflkntdvlkyfdytvhnnvdn aeyldknglfvgnhqielfdeidylrevlk
>2r0tA (A:) nyplasstwddleykaiqsvldskmftmgeyvkqyetqfaktfgskyavmvssgstanll miaalfftkkprlkkgdeiivpavswsttyyplqqyglrvkfvdidintlnidieslkea vtdstkailtvnllgnpnnfdeinkiiggrdiilledncesmgatfnnkcagtfglmgtf ssfyskhiatmeggcivtddeeiyhillcirahgwtrnlpkknkvtgvksddqfeesfkf vlpgynvrplemsgaigieqlkklprfisvrrknaeyfldkfkdhpyldvqqetgesswf gfsfiikkdsgvirkqlvenlnsagiecrpivtgnflkntdvlkyfdytvhnnvdnaeyl dknglfvgnhqielfdeidylrevlk
>2r0tB (B:) ghminyplasstwddleykaiqsvldskmftmgeyvkqyetqfaktfgskyavmvssgst anllmiaalfftkkprlkkgdeiivpavswsttyyplqqyglrvkfvdidintlnidies lkeavtdstkailtvnllgnpnnfdeinkiiggrdiilledncesmgatfnnkcagtfgl mgtfssfyskhiatmeggcivtddeeiyhillcirahgwtrnlpkknkvtgvksddqfee sfkfvlpgynvrplemsgaigieqlkklprfisvrrknaeyfldkfkdhpyldvqqetge sswfgfsfiikkdsgvirkqlvenlnsagiecrpivtgnflkntdvlkyfdytvhnnvdn aeyldknglfvgnhqielfdeidylrevlk
>2r0tB (B:) nyplasstwddleykaiqsvldskmftmgeyvkqyetqfaktfgskyavmvssgstanll miaalfftkkprlkkgdeiivpavswsttyyplqqyglrvkfvdidintlnidieslkea vtdstkailtvnllgnpnnfdeinkiiggrdiilledncesmgatfnnkcagtfglmgtf ssfyskhiatmeggcivtddeeiyhillcirahgwtrnlpkknkvtgvksddqfeesfkf vlpgynvrplemsgaigieqlkklprfisvrrknaeyfldkfkdhpyldvqqetgesswf gfsfiikkdsgvirkqlvenlnsagiecrpivtgnflkntdvlkyfdytvhnnvdnaeyl dknglfvgnhqielfdeidylrevlk