>1s2lA (A:) observed residues (from ATOM records)
mkavvptgkiylgspfysdaqreraakakellaknpsiahvffpfdgftdpdekpeiggi
rsmvwrdatyqndltgisnatcgvflydmdqlddgsafeigfmramhkpvilvpftehpe
kekkmnlmiaqgvttiidgntefekladynfnecpsnpvrgygiy