>6aa4A (A:) observed residues (from ATOM records)
asrlytlvlvlqpqrvllgmkkrgfgagrwngfggkvqegetiedgarrelqeesgltvd
alhkvgqivfefvgepelmdvhvfctdsiqgtpvesdemrpcwfqldqipfkdmwpddsy
wfplllqkkkfhgyfkfqgqdtildytlrevdtvlehhhhhh