>1rl9A (A:) observed residues (from ATOM records) vdqatldkleagfkklqeasdcksllkkhltkdvfdsiknkktgmgatlldviqsgvenl dsgvgiyapdaesyrtfgplfdpiiddyhggfkltdkhppkewgdintlvdldpagqfii strvrcgrslqgypfnpcltaeqykemeekvsstlssmedelkgtyypltgmskatqqql iddhflfkegdrflqtanacrywptgrgifhndaktflvwvneedhlriismqkggdlkt vykrlvtavdniesklpfshddrfgfltfcptnlgttmrasvhiqlpklakdrkvledia skfnlqvrgtrgehteseggvydisnkrrlglteyqavremqdgilemikmekaaa