Chains and heterogens:
PDB Chain Sequences:
>4cpp_ (-) ttetiqsnanlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcng ghwiatrgqlireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvg mpvvdklenriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyl tdqmtrpdgsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakr mcglllvggldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgri ltsdyefhgvqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgq hlarreiivtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav
>4cpp_ (-) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav