Chains and heterogens:
PDB Chain Sequences:
>1c92A (A:) kqgptsvayvevnnnsmlnvgkytladgggnafdvavifaaninydtgtktaylhfnenv qrvldnavtqirplqqqgikvllsvlgnhqgagfanfpsqqaasafakqlsdavakygld gvdfddayaeygnngtaqpndssfvhlvtalranmpdkiislynigpaasrlsyggvdvs dkfdyawnpyygtwqvpgialpkaqlspaaveigrtsrstvadlarrtvdegygvyltyn ldggdrtadvsaftrelygseavrt