>3l61A (A:) observed residues (from ATOM records)
nlaplpphvpehlvfdfdmynpsnlsagvqeawavlqesnvpdlvwtrcngghwiatrgq
lireayedyrhfssecpfipfiptsmppeqrqfralanqvvgmpvvdklenriqelacsl
ieslrpqgqcnftedyaepfpirifmllaglpeediphlkyltdqmtrpdgsmtfaeake
alydylipiieqrrqkpgtdaisivangqvngrpitsdeakrmcglllvggldtvvnfls
fsmeflakspehrqelierperipaaceellrrfslvadgriltsdyefhgvqlkkgdqi
llpqmlsglderenaapmhvdfsrqkvshttfghgshlclgqhlarreiivtlkewltri
pdfsiapgaqiqhksgivsgvqalplvwdpattkav