Chains and heterogens:
PDB Chain Sequences:
>1jdd_ (-) dqagkspnavryhggdeiilqgfhwnvvreapndwynilrqqaatiaadgfsaiwmpvpw rdfsswsdgsksgggegyfwhdfnkngrygsdaqlrqaasalggagvkvlydvvpnhmnr gypdkeinlpagqgfwrndcadpgnypndcddgdrfiggdadlntghpqvygmfrdeftn lrsqygaggfrfdfvrgyapervnswmtdsadnsfcvgqlwkgpseypnwdwrntaswqq iikdwsdrakcpvfdfalkermqngsiadwkhglngnpdprwrevavtfvdnhdtgyspg qnggqhhwalqdglirqayayiltspgtpvvywdhmydwgygdfirqliqvrraagvrad saisfhsgysglvatvsgsqqtlvvalnsdlgnpgqvasgsfseavnasngqvrvwrs