Chains and heterogens:
PDB Chain Sequences:
>1eriA (A:) sqgvigifgdyakahdlavgevsklvkkalsneypqlsfryrdsikkteinealkkidpd lggtlfvsnssikpdggivevkddygewrvvlvaeakhqgkdiinirngllvgkrgdqdl maagnaiershkniseianfmlseshfpyvlflegsnfltenisitrpdgrvvnleynsg ilnrldrltaanygmpinsnlcinkfvnhkdksimlqaasiytqgdgrewdskimfeimf disttslrvlgrdlfeqltsk