Chains and heterogens:
PDB Chain Sequences:
>2frzA (A:) ttetiqsnanlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcng ghwiatrgqlireayedyrhfssecpwipreageafdfiptsmdppeqrqfralanqvvg mpvvdklenriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyl tdqmtrpdgsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakr mcgllllggldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgri ltsdyefhgvqlkkgdqillpqmlsglderenaapmhvdfsrqkvshttfghgshlclgq hlarreiivtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav
>2frzA (A:) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpwipreageafdfiptsmdppeqrqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcgllllgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenaapmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav
>2frzB (B:) ttetiqsnanlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcng ghwiatrgqlireayedyrhfssecpwipreageafdfiptsmdppeqrqfralanqvvg mpvvdklenriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyl tdqmtrpdgsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakr mcgllllggldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgri ltsdyefhgvqlkkgdqillpqmlsglderenaapmhvdfsrqkvshttfghgshlclgq hlarreiivtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav
>2frzB (B:) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpwipreageafdfiptsmdppeqrqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcgllllgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenaapmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav