>4ek1B (B:) observed residues (from ATOM records)
nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqecnvpdlvwtrsngghwiatrgq
lireayedyrhfssespfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklen
riqelasslieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdg
cmtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg
ldtvvnflsfsmeflakspehrqelierperipaaseellrrfslvadgriltsdyefhg
vqlkkgdqillpqmlsglderenaapmhvdfsrqkvshttfghgshlclgqhlarreiiv
tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattka