>4npvA (A:) observed residues (from ATOM records)
stavlnclknldlwcfdvfslnqaaddhalrtivfelltrhnlisrfkiptvflmsflda
letgygkyknpyhnqihaadvtqtvhcfllrtgmvhclseiellaiifaaaihdyehtgt
tnsfhiqtksecaivyndrsvlenhhissvfrlmqddemnifinltkdefvelralviem
vlatdmschfqqvktmktalqqleridkpkalslllhaadishptkqwlvhsrwtkalme
effrqgdkeaelglpfsplcdrtstlvaqsqigfidfiveptfsvltdvaeksvqppdvv
sfrstwvkriqenkqkwkeraas