>1vsaH (H:) observed residues (from ATOM records) vktyvpkqveprwvlidaegktlgrlatkiatllrgkhrpdwtpnvamgdfvvvvnadki rvtgkkleqkiytrysgypgglkkiplekmlathpervlehavkgmlpkgplgrrlfkrl kvyagpdhphqaqrpekl