>2c41D (D:) observed residues (from ATOM records)
ttlkeqvlttlkreqanavvmylnykkyhwltygplfrdlhllfeeqgsevfamidelae
rslmldgqpvadpadylkvatvtpssgqltvkqmieeaianheliitemhqdaeiateag
digtadlytrlvqthqkhrwflkeflakgdglvs