>3zt3B (B:) SEQRES residues mgsshhhhhhsspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllkla grwpvktvhtdngsnftsttvkaacwwagikqedgipynpqsqgviesmnkelkkiigqv rdqaehlktavqmavfihnhkrkggiggysagerivdiiatdiqtke