>4rw4B (B:) observed residues (from ATOM records)
ietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaik
kkdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedf
rkytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfkkqnpdiviyqym
ddlyvgsdleigqhrtkieelrqhllrwyelhpdkwtvqpivlpekdswtvndiqklvgk
lnwasqiypgikvrqlskllrgtkalteviplteeaelelaenreilkepvhgvyydpsk
dliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkqlteavqkittesiviw
gktpkfklpiqketwetwwteywqatwipewefvntpplvklwyq