Chains and heterogens:
PDB Chain Sequences:
>1gekA (A:) anlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrg qlireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdkle nriqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpd gsmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvg gldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefh gvqlkkgdqillpqmlsglderenacpmhvdfsrqkvshttfghgshlclgqhlarreii vtlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav