>6ffwB (B:) observed residues (from ATOM records)
drintvrgpitiseagftlthehicgssagflrawpeffgsraalvekavrglrraraag
vrtivdvstfdagrdvsllaevsraadvhivaatglwedpplsmrlrsveeltqfflrei
qygiedtgiragiikvatqgkatpfqelvlraaaraslatgvpvtthtfasqrdgeqqaa
ifeseglspsrvcighsddtddlsyltalaargyligldgiphsaiglednasasallgn
rswqtrallikalidqgymkqilvsndwlfgfssyvtnimdvmdsvnpdgmafiplrvip
flrekgvpqetlagitvtnparflsptlras