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:
Sep. 23, 2025
Filed:
Mar. 15, 2024
A-alpha Bio, Seattle, WA (US);
Emily Engelhart, Seattle, WA (US);
Davis Goodnight, Seattle, WA (US);
Kyle Minch, Seattle, WA (US);
Ryan Swanson, Seattle, WA (US);
A-Alpha Bio, Seattle, WA (US);
Abstract
Provided herein are human interferon alpha-2 (IFNA2) variants that have decreased or no detectable binding to the human interferon-alpha/beta receptor beta 2 (IFNAR2) as compared to the wild-type human IFNA2 polypeptide. Also provided herein are fusion proteins comprising an antibody or fragment thereof, and a human IFNA2 variant, wherein the IFNA2 variant is covalently linked to the antibody, and wherein the IFNA2 variant has decreased or no detectable binding to the human interferon-alpha/beta receptor beta (IFNAR2) as compared to the wild-type human IFNA2 polypeptide.