Chains and heterogens:
PDB Chain Sequences:
>1iwjA (A:) mttetiqsnanlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcn gghwiatrgqlireayedyrhfssecpfipreageaydfiptsmdppeqkqfralanqvv gmpvvdklenriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlky ltdqmtrpdgsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeak rmcglllvggldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgr iltsdyefhgvqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclg qhlarreiivtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav
>1iwjA (A:) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpfipreageaydfiptsmdppeqkqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav