>3u6bB (B:) observed residues (from ATOM records)
kekfertkphvnvgtighvdhgkttltaaittvlaktyggaakargitintshveydtpt
rhyahvdcpghadyvknmitgaaqmdgailvvaatdgpmpqtrehillgrqvgvpyiivf
lnkcdmvddeellelvemevrellsqydfpgddtpivrgsalkalegdaeweakilelag
fldsyipeperaidkpfllpiedvfsitvvtgrvergiikvgeeveivgiketqkstctg
vemfrklldegragenvgvllrgikreeiergqvlakpgtikphtkfesevyilskdegg
rhtpffkgyrpqfyfrttdvtgtielpegvemvmpgdnikmvvtlihpiamddglrfair
eggrtvgagvvakvlg