>1s1fA (A:) observed residues (from ATOM records)
qavppvrdwpavdlpgsdfdpvltelmregpvtrislpngegwawlvtrhddvrlvtndp
rfgreavmdrqvtrlaphfipargavgfldppdhtrlrrsvaaaftargvervrersrgm
ldelvdamlragppadlteavlspfpiavicelmgvpatdrhsmhtwtqlilssshgaev
seraknemnayfsdliglrsdsagedvtsllgaavgrdeitlseavglavllqiggeavt
nnsgqmfhlllsrpelaerlrsepeirpraidellrwiphrnavglsrialedveikgvr
iragdavyvsylaanrdpevfpdpdridfernphvsfgfgphycpggmlarlesellvda
vldrvpglklavapedvpfkkgalirgpealpvtwha