>1u6zA (A:) observed residues (from ATOM records)
efaavdlgsnsfhmviarvvdgamqiigrlkqrvhladglgpdnmlseeamtrglnclsl
faerlqgfspasvcivgthtlrqalnatdflkraekvipypieiisgneearlifmgveh
tqpekgrklvidigggstelvigenfepilvesrrmgcvsfaqlyfpggvinkenfqrar
maaaqkletltwqfriqgwnvamgasgtikaahevlmemgekdgiitperleklvkevlr
hrnfaslslpglseerktvfvpglailcgvfdalairelrlsdgalregvlyemegrfrh
qdvrsrtasslanqyhidseqarrvldttmqmyeqwreqqpklahpqleallrwaamlhe
vglninhsglhrhsayilqnsdlpgfnqeqqlmmatlvryhrkaiklddlprftlfkkkq
flpliqllrlgvllnnqrqatttpptltlitddshwtlrfphdwfsqnalvlldlekeqe
ywegvagwrlkieeestp