>3s3tD (D:) observed residues (from ATOM records)
narytnilvpvdssdaaqaafteavniaqrhqanltalyvvddsayhtpaldpvlselld
aeaahakdamrqrqqfvattsapnlkteisygipkhtiedyakqhpeidlivlgatgtns
phrvavgsttsyvvdhapcnvivir