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 1x 25 nmol 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.
Showing 33–48 of 233 results
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Apolipoprotein B-100 (APOB100) (923-933) HeavyTEVIPP-[U-13C6,15N-Leu]-IENR-acid
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Apolipoprotein E HeavyAATVGSLAGQP-[U-13C6,15N-Leu]-QER-acid
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Ara h 1 (555–577) peanut Allergen HeavyDLAFPGSGEQ-[U-13C5,15N-Val]-EK-acid
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Ara h 2 (147–155) peanut Allergen HeavyNLPQQCG-[U-13C6,15N-Leu]-R-acid
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Ara h 3 (278-284) peanut Allergen HeavyQILQN-[U-13C6,15N-Leu]-R-acid
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Ara h 6 (120–131) peanut Allergen HeavyELMNLPQQCN-[U-13C9,15N-Phe]-R-acid
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ATP synthase beta chain HeavyLADQAAEDA-[U-13C5,15N-Val]-LTTGIK-acid
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ATP synthase subunit e HeavyVILNA-[U-13C5,15N-Val]-ESLK-acid
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ATP synthase subunit f HeavySLPQGPA-[U-13C5,15N-Pro]-AIK-acid
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ATP synthase subunit gamma HeavyVVDLLA-[U-13C5,15N-Pro]-YAK-acid
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ATP synthase subunit β HeavyTHSDQFL-[U-13C5,15N-Val]-TFK-acid
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ATP synthase- subunit g (6-25) HeavyNLAEKAPALVNAA-[U-13C5,15N-Val]-TYSKPR-acid
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Beta Endorphin (1-27) LightYGGFMTSEKSQTPLVTLFKNAIIKNAY-acid
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Bevacizumab heavy chain LightFTFSLDTSK-acid
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BNP (18-27) LightISSSSGLGCK-acid
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Bradykinin HeavyRP-[U-13C5,15N-Pro]-GFSCFR-acid
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