>3l2fO (O:) observed residues (from ATOM records)
fkaadnfpdlskhnnvmasqltkelyekywdkvtpngvtfdkciqtgvdnpgnkfygkkt
gcvfgdeysyecykeffdkcieeihhfkpsdkhpapdldhnklvggvfedkyvkscrirc
grsvkgvclppamsraerrlvekvvsdalgglkgdlagkyyplttmnekdqeqliedhfl
fekptgallttsgcardwpdgrgiwhnneknflvwineedhirvismqkggdlkavfsrf
arglleverlmkecghglmhndrlgyictcptnmgtvvrasvhlrlaflekhprfdemlg
klrlgkrgtggesslatdstydisnwarlgkserelvqvlvdgvnlliacdkkleagqsi
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