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Application
Quality control of tryptic digestion
Specific labelling
Arginine: 13C6,15N4, >99%
Lysine: 13C6,15N2, >99%
Description
The DIGESTIF standard consists of a soluble recombinant protein scaffold to which a set of 11 artificial peptides (iRT peptides) with good ionization properties has been incorporated. In the protein scaffold, the amino acids flanking iRT peptide cleavage sites were selected to either favor or hinder protease cleavage.
After sample processing, the retention time and relative intensity pattern of the released iRT peptides can be used to assess the quality of sample workup, the extent of digestion and the performance of the LC-MS system. Thus, DIGESTIF can be used to standardize a broad spectrum of applications, ranging from simple replicate measurements up to large-scale biomarker screenings in biomedical applications.
This product is for research use only and is not intended for diagnostic or therapeutic use.
10 – 20 µg
For any other quantities, please contact us
Custom clearance and freight insurance costs to be borne by the customer.
Legal:
This product is licensed under U.S. Patent No. 7,396,688 and foreign counterparts from E. I. du Pont de Nemours and Company. The purchase of this product conveys to the buyer the nontransferable right to use the purchased amount of the product for research and development only. Information about licenses for other uses is available from: E. I. du Pont de Nemours and Company; Attn: Associate Director, Commercial Development; DuPont Experimental Station E268; 200 Powdermill Rd.; Wilmington, DE 19803; 1-877-881-9787 (voice), 1-302-695-1437 (fax), licensing@dupont.com.
