>6a1tA (A:) observed residues (from ATOM records)
sllpvpyteaaslstgstvtikgrplacflnapylqvdfhtemkeesdivfhfqvcfgrr
vvmnsreygawkqqvesknmpfqdgqefelsisvlpdkyqvmvngqssytfdhrikpeav
kmvqvwrdisltkfnvsylkr