>5zxbB (B:) observed residues (from ATOM records) ltcligekdlrlleklgdvvrrgewdapsgktvsvavkclqpeamddfirevnamhsldh rnlirlygvvltppmkmvtelaplgslldrlrkhqghflgtlsryavqvaegmgyleskr fihrdlaarnlllatrdlvkigdfpfawcapeslktrtfshasdtwmfgvtlwemftygq epwiglngsqilhkidkegerlprpedcpqdiynvmvqcwahkpedrptfvalrdfllea q