>4nwfB (B:) observed residues (from ATOM records)
srrwfhpnitgveaenllltrgvdgsflarpsksnpgdftlsvrrngavthikiqntgdy
ydlyggekfatlaelvqyymehgqlkvielkyplncadptserwfhghlsgkeaekllte
kgkhgsflvresqshpgdfvlsvrtgddgkskvthvmircqelkydvgggerfdsltdlv
ehykknpmvetlgtvlqlkqplnttrinaaeiesrvrelskgfweefetlqqqeckllys
rkegqrqenknknryknilpfdhtrvvlhdgdpnvsdyinadiimpeksyiatqgclqnt
vndfwrmvfqensrvivmttkevergkskcvkywpdeyalkeygvmrvrnvkesaahdyt
lrelklskvgqgntertvwqyhfrtwpdhgvpsdpggvldfleevhhkqesimdagpvvv
hcsagigrtgtfividilidiirekgvdcdidvpktiqmvrsqrsgmvqteaqyrfiyma
vqhyietlqrrieeeq