>1fx8A (A:) observed residues (from ATOM records)
tlkgqciaeflgtglliffgvgcvaalkvagasfgqweisviwglgvamaiyltagvsga
hlnpavtialwlfacfdkrkvipfivsqvagafcaaalvyglyynlffdfeqthhivrgs
vesvdlagtfstypnphinfvqafavemvitailmglilaltddgngvprgplaplligl
liavigasmgpltgfamnpardfgpkvfawlagwgnvaftggrdipyflvplfgpivgai
vgafayrkligrhl