>6dfsB (B:) observed residues (from ATOM records)
tlleqnprwrlvprgqavnlrcilknsqypwmswyqqdlqkqlqwlftlrspgdaevksl
pgadylatrvtdtelrlqvanmsqgrtlyctcsaglgyeqyfgpgtrltvledlknvfpp
evavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqplkeqpal
ndsryclssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaeawgra
d