>2c41A (A:) observed residues (from ATOM records)
tttlkeqvlttlkreqanavvmylnykkyhwltygplfrdlhllfeeqgsevfamidela
erslmldgqpvadpadylkvatvtpssgqltvkqmieeaianheliitemhqdaeiatea
gdigtadlytrlvqthqkhrwflkeflakgdglvs