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.

Date of Patent:
Mar. 30, 1999

Filed:

Apr. 29, 1993
Applicant:
Inventors:

Dennis G Kleid, San Mateo, CA (US);

Daniel G Yansura, San Francisco, CA (US);

Herbert L Heyneker, Burlingame, CA (US);

Giuseppe F Miozzari, San Carlos, CA (US);

Assignee:

Genentech, Inc., So. San Francisco, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
4353201 ; 435 691 ; 435 694 ; 43525233 ; 435471 ; 435476 ; 435488 ; 536 2351 ;
Abstract

The present invention provides recombinant DNA vehicles which are suitable for the microbial expression of DNA encoding a heterologous polypeptide which comprises a portion of the trp operon having the promoter-operator and leader ribosome binding site, and a restriction site providing an insertion site for the DNA sequences encoding the heterologous polypeptide, wherein the restriction site is located 3' of the leader ribosome binding site as a substitute for the Taq I site of the trp promoter-operator and is selected from the group consisting of Xba I and Eco RI. Also provided are E. coli strains transformed with the above described recombinant DNA vehicles.


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Kleid, Dennis. (1999). Bacterial polypeptide expression employing tryptophan promoter-operator (U.S. Patent No. 5888808). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5888808

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