>1dttB (B:) observed residues (from ATOM records)
ietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaik
kkdstkwrklvdfrelnkrtqdfwlgiphpaglkkkksvtvldvgdayfsvpldedfrky
taftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddl
yvgsdleigqhrtkieelrqhllrwglttpgyelhpdkwtvqpivlpekdswtvndiqkl
vgklnwasqiypgikvrqlckllrgtkalteviplteeaelelaenreilkepvhgvyyd
pskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkqlteavqkittesi
viwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyqleke