The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2002
Filed:
Sep. 13, 1999
Applicant:
Inventors:
Assignee:
Academia Sinica, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 9/90 ; C07K 1/400 ; C07K 1/421 ;
U.S. Cl.
CPC ...
C12N 9/90 ; C07K 1/400 ; C07K 1/421 ;
Abstract
The invention relates to a polypeptide having (1) a ligand domain that specifically binds to a molecule on an external surface of a cell, and (2) a DNA binding domain of a Topoisomerase I. The polypeptide optionally contains a translocation domain to facilitate DNA delivery into a cell.