>1f1uB (B:) observed residues (from ATOM records)
nfvptpsvpapdivrcaymeivvtdlaksrefyvdvlglhvteedentiylrsleefihh
nlvlrqgpiaavaafayrvkspaevdaaeayykelgcrterrkegftkgigdsvrvedpl
gfpyeffyetehverltqrydlysagelvrldhfnqvtpdvprgrayledlgfrvsedik
dsdgvtyaawmhrkqtvhdtaltggngprmhhvafathekhniiqicdkmgalrisdrie
rgpgrhgvsnafylyildpdghrieiytqdyytgdpdnptitwdvhdnqrrdwwgnpvvp
swyteaslvldldgnpqpviv