>2yytD (D:) observed residues (from ATOM records)
pfivaldfpskqeverflrpfagtplfvkvgmelyyqegpaivaflkeqghavfldlklh
dipntvkqamkglarvgadlvnvhaaggrrmmeaaiegldagtpsgrmrprciavtqlts
tdermlheelwisrplvetvahyaalakesgldgvvcsaneaafikercgasflavtvtp
rkaralgsdyivigrsltraadplrtyarlqhewn