>5z0fA (A:) observed residues (from ATOM records)
mtvrknqatltadekrrfvaavlelkrsgrydefvrthnefimsdtdsgertghrspsfl
pwhrrflldfeqalqsvdssvtlpywdwsadrtvraslwapdflggtgrstdgrvmdgpf
aastgnwpinvrvdsrtylrrslggsvaelptraevesvlaisaydlppynsasegfrnh
legwrgvnlhnrvhvwvggqmatgvspndpvfwlhhayvdklwaewqrrhpdsayvptgg
tpdvvdlnetmkpwntvrpadlldhtayytfdalehhhh