>2ex2A (A:) observed residues (from ATOM records)
nvdeyitqlpaganlalmvqkvgasapaidyhsqqmalpastqkvitalaaliqlgpdfr
ftttletkgnvengvlkgdlvarfgadptlkrqdirnmvatlkksgvnqidgnvlidtsi
fashdkapgwpwndmtqcfsappaaaivdrncfsvslysapkpgdmafirvasyypvtmf
sqvrtlprgsaeaqyceldvvpgdlnrftltgclpqrseplplafavqdgasyagailky
elkqagitwsgtllrqtqvnepgtvvaskqsaplhdllkimlkksdnmiadtvfrmigha
rfnvpgtwragsdavrqilrqqagvdigntiiadgsglsrhnliapatmmqvlqyiaqhd
nelnfismlplagydgslqyraglhqagvdgkvsaktgslqgvynlagfittasgqrmaf
vqylsgyavepadqrnrriplvrfesrlykdiyqnn