>1du3E (E:) observed residues (from ATOM records)
qrvaahitgtrgrsntalgrkinswessrsghsflsnlhlrngelvihekgfyyiysqty
frfqeeikentkndkqmvqyiykytsypdpillmksarnscwskdaeyglysiyqggife
lkendrifvsvtnehlidmdheasffgaflvg