>6vlmB (B:) observed residues (from ATOM records) spgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktihtd ngsnftsttvkaacwwagikqedgipynpqsqgvvesmnkelkkiigqvrdqaehlktav qmavfihnhkrgysagerivdiiatdiqt