>2a81A (A:) observed residues (from ATOM records)
mvfeensdevrvitldhpnkhnpfsrtletsvkdalaranaddsvravvvyggaersfsa
ggdfnevkqlsrsedieewidrvidlyqavlnvnkptiaavdgyaigmgfqfalmfdqrl
mastanfvmpelkhgigcsvgaailgfthgfstmqeiiyqcqsldaprcvdyrlvnqvve
ssalldaaitqahvmasypasafintkravnkpfihlleqtrdaskavhkaafqa