>1y6kR (R:) observed residues (from ATOM records)
gtelpsppsvwfeaeffhhilhwtpipqqsestcyevallrygieswnsisqcsqtlsyd
ltavtldlyhsngyrarvravdgsrhsqwtvtntrfsvdevtltvgsvnleihngfilgk
iqlprpkmapaqdtyesifshfreyeiairkvpgqftfthkkvkheqfslltsgevgefc
vqvkpsvasrsnkgmwskeecislt