>6tu4F (F:) observed residues (from ATOM records)
dvqalvvdngsgnvkagvagddaprsvfpsivgrpknpgimvgmeekdafvgdeaqtkrg
iltlkypiehgivtnwddmekiwhhtfynelraapeehpvllteaplnpkgnrermtqim
fesfnvpamyvaiqavlslyssgrttgivldsgdgvshtvpiyegyalphaimrldlagr
dlteylmkilhergygfstsaekeivrdikeklcyialnfdeemktseqssdieksyelp
dgniitvgnerfrcpealfqpsflgkeaagihtttfnsikkcdvdirkdlygnivlsggt
tmyegigerltrdittlapstmkikvvapperkysvwiggsilsslstfqqmwitkeeyd
esgpsivhrkcf