>1tnfB (B:) observed residues (from ATOM records)
rtpsdkpvahvvanpqaegqlqwlnrranallangvelrdnqlvvpseglyliysqvlfk
gqgcpsthvllthtisriavsyqtkvnllsaikspcqretpegaeakpwyepiylggvfq
lekgdrlsaeinrpdyllfaesgqvyfgiial