>3s3tF (F:) observed residues (from ATOM records) arytnilvpvdssdaaqaafteavniaqrhqanltalyvvddsayhtpaldpvlsellda eaahakdamrqrqqfvattsapnlkteisygipkhtiedyakqhpeidlivlgatgtnsp hrvavgsttsyvvdhapcnvivir