>1cnuA (A:) observed residues (from ATOM records) giavsddcvqkfnelklghqhryvtfkmnasntevvvehvggpnatyedfksqlperdcr yaifdyefqvdggqrnkitfilwapdsapikskmmytstkdsikkklvgiqvevqatdaa eisedavserakkd