>1du3L (L:) observed residues (from ATOM records) qrvaahitgtrgrsntalgrkinswessrsghsflsnlhlrngelvihekgfyyiysqty frfqeeikentkndkqmvqyiykytsypdpillmksarnscwskdaeyglysiyqggife lkendrifvsvtnehlidmdheasffgaflvg