>7krcB (B:) observed residues (from ATOM records)
ietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaik
stkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedfrky
taftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfkkqnpdiviyqymddl
yvgsdleigqhrtkieelrqhllrwglttpdkyelhpdkwtvqpivlpekdswtvndiqk
lvgklnwasqiypgikvrqlskllrgtkalteviplteeaelelaenreilkepvhgvyy
dpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkqlteavqkittes
iviwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyq