>3kwcD (D:) observed residues (from ATOM records)
qsyaapptpwsrdlaepeiaptayvhsfsnligdvrikdyvhiapgtsiradegtpfhig
srtniqdgvvihglqqgrvigddgqeysvwigdnvsithmalihgpayigdgcfigfrst
vfnarvgagcvvmmhvliqdveippgkyvpsgmvittqqqadrlpnveesdihfaqhvvg
ineallsgyqcaeniaciapirnel