>1tl9A (A:) observed residues (from ATOM records)
naikylgqdyenlrarclqngvlfqddafppvshslgfkelgpnssktygikwkrptell
snpqfivdgatrtdicqgalgdcwllaaiasltlnetilhrvvpygqsfqegyagifhfq
lwqfgewvdvvvddllptkdgklvfvhsaqgnefwsallekayakvngsyealsggctse
afedftggvtewydlqkapsdlyqiilkalergsllgcsinisdirdleaitfknlvrgh
aysvtdakqvtyqgqrvnlirmrnpwgevewkgpwsdnsyewnkvdpyereqlrvkmedg
efwmsfrdfireftkleicnl