Chains and heterogens:
PDB Chain Sequences:
>1ckqA (A:) snkkqsnrlteqhklsqgvigifgdyakahdlavgevsklvkkalsneypqlsfryrdsi kkteinealkkidpdlggtlfvsnssikpdggivevkddygewrvvlvaeakhqgkdiin irngllvgkrgdqdlmaagnaiershkniseianfmlseshfpyvlflegsnfltenisi trpdgrvvnleynsgilnrldrltaanygmpinsnlcinkfvnhkdksimlqaasiytqg dgrewdskimfeimfdisttslrvlgrdlfeqltsk
>1ckqA (A:) sqgvigifgdyakahdlavgevsklvkkalsneypqlsfryrdsikkteinealkkidpd lggtlfvsnssikpdggivevkddygewrvvlvaeakhqgkdiinirngllvgkrgdqdl maagnaiershkniseianfmlseshfpyvlflegsnfltenisitrpdgrvvnleynsg ilnrldrltaanygmpinsnlcinkfvnhkdksimlqaasiytqgdgrewdskimfeimf disttslrvlgrdlfeqltsk