>6v9lB (B:) observed residues (from ATOM records)
gqmrlpsadvyrfaepdseeniifeegipiikagtviklierltyhmyadpnfvrtfltt
yrsfckpqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpvqlrvl
nvcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkianitfqss
pptvewhisrpghietfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkein
spnllkmirhttnltlwfekcivetenleervavvsriieilqvfqelnnfngvlevvsa
mnsspvyrldhtfeqipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltni
lkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpm
gnsmekeftdylfnksleieprnpkplprfpkkysyplkspgvrpsnpr