>3cq5B (B:) observed residues (from ATOM records)
mtkitlsdlplreelrgehaygapqlnvdirlntnenpyppsealvadlvatvdkiatel
nryperdavelrdelaayitkqtgvavtrdnlwaangsneilqqllqafggpgrtalgfq
psysmhpilakgthtefiavsrgadfridmdvaleeirakqpdivfvttpnnptgdvtsl
ddveriinvapgivivdeayaefspspsattllekyptklvvsrtmskafdfaggrlgyf
vanpafidavmlvrlpyhlsalsqaaaivalrhsadtlgtveklsvervrvaarleelgy
avvpsesnfvffgdfsdqhaawqafldrgvlirdvgiaghlrttigvpeendafldaaae
iiklnl