>3fyyB (B:) observed residues (from ATOM records)
mkitdlelhavgiprhtgfvnkhvivkihtdegltgigemsdfshlplysvdlhdlkqgl
lsillgqnpfdlmkinkeltdnfpetmyyyekgsfirngidnalhdlcakyldisvsdfl
ggrvkekikvcypifrhrfseevesnldvvrqkleqgfdvfrlyvgknldadeeflsrvk
eefgsrvriksydfshllnwkdahraikrltkydlglemiespaprndfdglyqlrlktd
ypisehvwsfkqqqemikkdaidifnispvfiggltsakkaayaaevaskdvvlgttqel
svgtaamahlgcsltninhtsdptgpelyvgdvvknrvtykdgylyapdrsvkglgield
esllakyqvpdlswd