>1u46A (A:) observed residues (from ATOM records)
ltcligekdlrlleklggvvrrgewdapsgktvsvavkcpeamddfirevnamhsldhrn
lirlygvvltppmkmvtelaplgslldrlrkhqghfllgtlsryavqvaegmgyleskrf
ihrdlaarnlllatrdlvkigdfglmralpqddhyvmvpfawcapeslktrtfshasdtw
mfgvtlwemftygqepwiglngsqilhkidkegerlprpedcpqdiynvmvqcwahkped
rptfvalrdflleaq