>3zt2B (B:) SEQRES residues mgsshhhhhhsspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllkla grwpvktvhtdngsnftsttvkaacwwagikqedgipynpqsqgviesmnkelkkiigqv rdqaehlktavqmavfihnhkrkggiggysagerivdiiatdiqtke