US Patent:
20230047103, Feb 16, 2023
Inventors:
- South San Francisco CA, US
Yung-Hsiang Kao - San Mateo CA, US
Yonghua Zhang - Foster City CA, US
Assignee:
Genentech, Inc. - South San Francisco CA
International Classification:
C07K 16/30
G01N 33/68
C07K 16/32
Abstract:
The present application discloses variants of Pertuzumab. In particular, it discloses: an unpaired cysteine variant comprising Cys23/Cys88 unpaired cysteines in one or both variable light domains of Pertuzumab, an afucosylated variant of Pertuzumab, a low-molecular-weight-species (LMWS) of Pertuzumab, and a high-molecular-weight-species (HMWS) or Pertuzumab. The application further discloses the isolated variants, compositions, pharmaceutical compositions, and articles of manufacture comprising the variants, as well as methods of making and characterizing the variants and compositions thereof.