>6i4dA (A:) observed residues (from ATOM records)
dvqalvvdngsgnvkagvagddaprsvfpsivgrpkdafvgdeaqtkrgiltlkypiehg
ivtnwddmekiwhhtfynelraapeehpvllteaplnpkgnrermtqimfesfnvpamyv
aiqavlslyssgrttgivldsgdgvshtvpiyegyalphaimrldlagrdlteylmkilh
ergygfstsaekeivrdikeklcyialnfdeemktseqssdieksyelpdgniitvgner
frcpealfqpsflgkeaagihtttfnsikkcdvdirkdlygnivlsggttmyegigerlt
rdittlapstmkikvvapperkysvwiggsilsslstfqqmwitkeeydes