>2wn4A (A:) observed residues (from ATOM records)
rkeaerieqklersekealesykkdsveiskysqtrnyfydyqieansrekeykelrnai
sknkidkpmyvyyfespekfafnkvirtenqneislekfnefketiqnklfkqdgfkdis
lyepgkgdekptpllmhlklprntgmlpytntvstlieqgysikidkivrividgkhyik
aeasvvssldfkddvskgdswgkanyndwsnkltpneladvndymrggytainnylisng
pvnnpnpeldskitnienalkrepiptnltvyrrsgpqefgltltspeydfnklenidaf
kskwegqalsypnfistsigsvnmsafakrkivlritipkgspgaylsaipgyageyevl
lnhgskfkinkidsykdgtitklivdatlip