Chains and heterogens:
PDB Chain Sequences:
>1rf9A (A:) mttetiqsnanlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcn gghwiatrgqlireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvv gmpvvdklenriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlky ltdqmtrpdgsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeak rmcglllvggldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgr iltsdyefhgvqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclg qhlarreiivtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkavql
>1rf9A (A:) laplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgql ireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklenr iqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdgs mtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvggl dtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhgv qlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreiivt lkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav