>1vl7A (A:) observed residues (from ATOM records) yagfiqefqsaiistiseqgipngsyapfviddakniyiyvsglavhtknieanplvnvl fvddeaktnqifarrrlsfdctatlieresqkwnqvvdqfqerfgqiievlrgladfrif qltpkegrfvigfga