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Generated: September 15, 2019

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Patent: 4,588,585

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Summary for Patent: 4,588,585
Title: Human recombinant cysteine depleted interferon-.beta. muteins
Abstract:Muteins of biologically active proteins such as IFN-.beta. and IL-2 in which cysteine residues that are not essential to biological activity have been deleted or replaced with other amino acids to eliminate sites for intermolecular crosslinking or incorrect intramolecular disulfide bridge formation. These muteins are made via bacterial expression of mutant genes that encode the muteins that have been synthesized from the genes for the parent proteins by oligonucleotide-directed mutagenesis.
Inventor(s): Mark; David F. (Danville, CA), Lin; Leo S. (Fremont, CA), Yu Lu; Shi-Da (Oakland, CA)
Assignee: Cetus Corporation (Emeryville, CA)
Application Number:06/655,897
Patent Claims:see list of patent claims

Details for Patent 4,588,585

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Bayer Healthcare Pharms BETASERON interferon beta-1b VIAL; SUBCUTANEOUS 103471 001 1993-07-23 ➤ Sign Up Cetus Corporation (Emeryville, CA) 2003-05-13 RX Orphan company
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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