>3frgA (A:) observed residues (from ATOM records)
isrfgvntenedhlakeledlnkwglnifnvagyshnrpltcimyaifqerdllktfris
sdtfitymmtledhyhsdvayhnslhaadvaqsthvllstpaldavftdleilaaifaaa
ihdvdhpgvsnqflintnselalmyndesvlenhhlavgfkllqeehcdifmnltkkqrq
tlrkmvidmvlatdmskhmslladlktmvetkkvtssgvllldnytdriqvlrnmvhcad
lsnptkslelyrqwtdrimeeffqqgdkerergmeispmcdkhtasveksqvgfidyivh
plwetwadlvqpdaqdildtlednrnwyqamipqa