Chains and heterogens:
PDB Chain Sequences:
>1cp4A (A:) ttetiqsnanlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcng ghwiatrgqlireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvg mpvvdklenriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyl tdqmtrpdgsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakr mcglllvggldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgri ltsdyefhgvqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgq hlarreiivtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav
>1cp4A (A:) nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq lireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklen riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg vqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreiiv tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav