>1tffA (A:) observed residues (from ATOM records)
nlisekcdilsilrdhpenriyrrkieelskrftairktkgdrncfyralgysylesllg
ksreifkfkervlqtpndllaagfeehkfrnffnafysvvelvekdgsvssllkvfndqs
asdhivqflrlltsafirnradffrhfideemdikdfcthevepmatecdhiqitalsqa
lsialqveyvdhhvfpeaatpsvyllyktshynilyaadkh