>4lfyB (B:) observed residues (from ATOM records)
pmtasnasspatlslarpddwhlhlrdgdmlaavlphtarqfgraivmpnlkppvtttaq
aqayrerilaalpagmtfeplmtlyltdntppdeirraresgfvhgvklypagtnsdhgv
tdlakcaktleamqetgmpllvhgevtdasidlfdrekvfidrvmtplrrdfpglkvvfe
hittkdaadyvrdadaapgllgatitahhllynrnalfvggirphyyclpvlkrethrva
lveaatsgnprfflgtdsaphardaketacgcagcytalhalelyaeafdtagaldkleg
fasffgadfyglprsaetvtlrrepwelpreifagetpvvplrggetigwkla