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US 2017/0321187 A1Published application
Biologically active c-terminal arginine-containing peptides
AssigneeGenentech, Inc.
InventorsJames Wilkins, Masaru Ken Shiratori, Tim Breece
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Abstract
The present invention concerns the separation, identification and characterization of active peptide fragments from peptones.
Claims7
A method for the promotion of cell growth in a recombinant host cell culture, comprising supplementing said culture with a peptide of the formula
- (X1)nX2R
- wherein X1 and X2 may be identical or different and independently represent any amino acid other than arginine;
- n is 0 or 1;
- and
- R stands for arginine,
- wherein said peptide exhibits a peptone biological activity.
3 more elements
Dependencies are inferred from the claim text.