>3n07B (B:) observed residues (from ATOM records) sstvstlygevepslleiakqikllicdvdgvfsdgliymgnqgeelktfhtrdgygvka lmnagieiaiitgrrsqivenrmkalgisliyqgqddkvqayydicqklaiapeqtgyig ddlidwpvmekvalrvcvadghpllaqranyvthikgghgavrevcdlilqarnel