Chains and heterogens:
PDB Chain Sequences:
>2ferA (A:) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkavhhhhhh
>2ferA (A:) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav