Chains and heterogens:
PDB Chain Sequences:
>1c7cA (A:) mlspadktnvkaawgkvgahageygaealermflsfpttktyfphfdlshgsaqvkghgk kvadaltnavahvddmpnalsalsdlhahklrvdpvnfkllshcllvtlaahlpaeftpa vhasldkflasvstvltskyrgvlspadktnvkaawgkvgahageygaealermflsfpt tktyfphfdlshgsaqvkghgkkvadaltnavahvddmpnalsalsdlhahklrvdpvnf kllshcllvtlaahlpaeftpavhasldkflasvstvltskyr
>1c7cB (B:) mhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesfgdlstpdavmgnpkv kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgkvlvcvlahhfgk eftppvqaayqkvvagvanalahkyh
>1c7cD (D:) mhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesfgdlstpdavmgnpkv kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgkvlvcvlahhfgk eftppvqaayqkvvagvanalahkyh