>3rswB (B:) observed residues (from ATOM records)
mvdaflgtwklvdsknfddymkslgvgfatrqvasmtkpttiiekngdiltlkthstfkn
teisfklgvefdettaddrkvksivtldggklvhlqkwdgqettlvrelidgkliltlth
gtavctrtyekea