>1tkzA (A:) observed residues (from ATOM records)
pietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfai
kwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedfrkyta
ftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddlyv
gsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwtvqpivlpek
dswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeaelelaenrei
lkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkqlt
eavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyql
ekepivgaetfyvdagyvtnrgrqkvvtltdttnqktelqaiylalqdsglevnivtdsq
yalgiiqaqpdqseselvnqiieqlikkekvylawvp