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:
Jan. 14, 1997

Filed:

Dec. 29, 1994
Applicant:
Inventor:

Satish K Sharma, Portage, MI (US);

Assignee:

Pharmacia & Upjohn Company, Kalamazoo, MI (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; C12P / ;
U.S. Cl.
CPC ...
530413 ; 530350 ; 435 697 ; 4351723 ; 436525 ; 536 231 ; 536 234 ; 536 235 ;
Abstract

Recombinant fusion proteins which comprise a biologically active polypeptide portion and metal chelating peptide are disclosed. The fusion proteins contain metal chelating peptides which have at least three and preferably six alternating histidine residues. Fusion proteins which contain metal chelating peptides that are substrates for dipeptidylpeptidase I are also disclosed. Additionally, a method of obtaining desired polypeptides by producing recombinant fusion proteins and purifying them with immobilized metal ions is disclosed. A kit for purifying desired polypeptides is also disclosed.


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Sharma, Satish. (1997). Process of purifying recombinant proteins and compounds useful in such (U.S. Patent No. 5594115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5594115

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