>4bkuA (A:) observed residues (from ATOM records)
gfldgkrilltgllsnrsiaygiakackregaelaftyvgdrfkdritefaaefgselvf
pcdvaddaqidalfaslkthwdsldglvhsigfapreaiagdfldgltrenfriahdisa
ysfpalakaalpmlsddaslltlsylgaeraipnyntmglakaaleasvrylavslgakg
vrvnaisagpiktlaasgiksfgkildfvesnsplkrnvtieqvgnagafllsdlasgvt
aevmhvdsgfnavvggm