Tryptic Peptides

The need for absolute quantitation of protein expression levels in biological samples is of major importance in proteomics. The simplest and most cost-effective method of protein quantification involves the use of peptides containing amino acids incorporating heavy stable isotopes.

By using stable-labelled versions of tryptic peptides as internal standards, it is possible to directly quantify protein levels in a digested sample via mass spectrometry.

We supply heavy and light versions of common tryptic peptides ready to use in 5 x 1nmol tubes as detailed below:

If your desired tryptic peptide is not listed please refer to our custom synthesis page and request a custom peptide synthesis quotation.

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1-12 of 56

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5