>4l4cA (A:) observed residues (from ATOM records)
nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq
lireayedyrhfssecpfipreageaydfiptsmdppeqrqfralanqvvgmpvvdklen
riqelacslieslrpqgqcnftedyaepfpirifmllaglpeediphlgyltdqmtrpdg
smtfaeakealydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvgg
ldtvvnflsfsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhg
vqlkkgdqillpqmlsglderenaapmhvdfsrqkvshttfghgshlcpgqhlarreiiv
tlkewltripdfsiapgaqiqhksgivsgvqalplvwdpattkav