Chains and heterogens:
PDB Chain Sequences:
>1c8yA (A:) kqgptsvayvevnnnsmlnvgkytladgggnafdvavifaaninydtgtktaylhfnenv qrvldnavtqirplqqqgikvllsvlgnhqgagfanfpsqqaasafakqlsdavakygld gvdfadeyaeygnngtaqpndssfvhlvtalranmpdkiislynigpaasrlsyggvdvs dkfdyawnpyygtwqvpgialpkaqlspaaveigrtsrstvadlarrtvdegygvyltyn ldggdrtadvsaftrelygseavrt