Chains and heterogens:
PDB Chain Sequences:
>1abyA (A:) mlspadktnvkaawgkvgahageygaealermflsfpttktyfphfdlshgsaqvkghgk kvadaltnavahvddmpnalsalsdlhahklrvdpvnfkllshcllvtlaahlpaeftpa vhasldkflasvstvltskyrgvlspadktnvkaawgkvgahageygaealermflsfpt tktyfphfdlshgsaqvkghgkkvadaltnavahvddmpnalsalsdlhahklrvdpvnf kllshcllvtlaahlpaeftpavhasldkflasvstvltskyr
>1abyB (B:) mhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesfgdlstpdavmgnpkv kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgkvlvcvlahhfgk eftppvqaayqkvvagvanalahkyh
>1abyD (D:) mhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesfgdlstpdavmgnpkv kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgkvlvcvlahhfgk eftppvqaayqkvvagvanalahkyh