>1su3B (B:) observed residues (from ATOM records)
vdlvqkylekyynlksgpvveklkqmqeffglkvtgkpdaetlkvmkqprcgvpdvaprw
eqthltyrienytpdlpradvdhaiekafqlwsnvtpltftkvsegqadimisfvrgdhr
dnspfdgpggnlahafqpgpgiggdahfdederwtnnfreynlhrvaahelghslglshs
tdigalmypsytfsgdvqlaqddidgiqaiygrsqnpvqpigpqtpkacdskltfdaitt
irgevmffkdrfymrtnpfypevelnfisvfwpqlpngleaayefadrdevrffkgnkyw
avqgqnvlhgypkdiyssfgfprtvkhidaalseentgktyffvankywrydeykrsmdp
gypkmiahdfpgighkvdavfmkdgffyffhgtrqykfdpktkriltlqkanswfn