>6l64A (A:) observed residues (from ATOM records)
llpvpyteaaslstgstvtikgrplvcflnepylqvdfhtemkeesdivfhfqvcfgrrv
vmnsreygawkqqvesknmpfqdgqefelsisvlpdkyqvmvngqssytfdhrikpeavk
mvqvwrdisltkfnvsyl