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Absolutely Quantified Peptides SpikeTides™ TQL

Absolutely quantified peptides are used for protein quantitation in mass spectrometry based proteomics, e.g. for selected reaction monitoring (SRM), multiple reaction monitoring (MRM) and parallel reaction monitoring (PRM). Stable isotope labeled quantified peptide standards  are used as internal standards to identify and quantify proteotypic peptides from proteins of interest such as biomarker quantitation.
JPT developed a peptide quantitation technique that shows several advantages over traditional quantitation methods. We attach a small chemical Qtag, which is cleavable by trypsin or other proteases, to the proteotypic peptide (=SpikeTides™ TQL Peptide) that we use for peptide quantification. Within the sample spiked with the appropriate SpikeTides™ TQL peptide, the protease will cleave the peptide-tag bond, thus quantitatively releasing the desired proteotypic peptide for your experiment.

Quantitation by AAA Quantitation by qtag
Purification necessary yes no
Accuracy 95% 99%
Sample destruction yes no
Cost very high low


Also have a look at our SpikeTides™ Proteomics Peptide Standards without absolute quantitation.

Absolutely Quantified Peptides SpikeTides™ Options:

SpikeTides™_TQ - light quantified peptides

SpikeTides™_TQ Proteotypic Peptides

SpikeTides™_TQ are quantified, proteotypic peptides that have a C-terminal tag that can be cleaved by tryptic digestion.
Amounts: 5 x 1 nmol/target peptide
Purity: Purified
Application: Absolute protein quantification
Price: from 125 US$ / 108 € (depending on number of peptides ordered)
Validated pooling service available upon request!

SpikeTides™_TQL - isotopically labeled & quantified peptides

SpikeTides™_TQL Proteotypic Peptides

SpikeTides™_TQL are heavily labeled, quantified, proteotypic peptides that have a C-terminal tag that can be cleaved by tryptic digestion.
Amounts: 5 x 1 nmol/target peptide
Purity: Purified
Application: Absolute protein quantification
Price: from 198US$/184€
Validated pooling service available upon request!

Maxi SpikeTides™ - options for large peptide amounts

Of course, all SpikeTides™ options can be adjusted to meet your requirements. Maxi SpikeTides™ are synthesized by standard resin-based custom peptide synthesis and very flexible. Choosing Maxi SpikeTides™ enables:

  • longer peptides
  • higher amounts per peptide
  • guaranteed purity for each peptide
  • no minimum peptide number
  • classical AAA quantification of peptides available
  • use of various PTMs (Post-Translational Modifications)
  • validated pooling service available

    Please inquire for your Maxi SpikeTides™ via email!

    Quantified PTM Reference Kits

    SPT-PTM-TQL-K01-Phospho-UnmodifiedSpikeTides™ PTM-Kit 01 - Phospho-Unmodified - quantified Collection of absolutely quantified proteotypic unmodified potential phosphopeptidesInfo
    SPT-PTM-TQL-K02-PhosphoserineSpikeTides™ PTM-Kit 02 - Phosphoserine - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification PhosphoserineInfo
    SPT-PTM-TQL-K03-PhosphothreonineSpikeTides™ PTM-Kit 03 - Phosphothreonine - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification PhosphothreonineInfo
    SPT-PTM-TQL-K04-PhosphotyrosineSpikeTides™ PTM-Kit 04 - Phosphotyrosine - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification PhosphotyrosineInfo
    SPT-PTM-TQL-K05-RmeSpikeTides™ PTM-Kit 05 - Arg(Me) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Arg(Me)Info
    SPT-PTM-TQL-K06-Rme2aSpikeTides™ PTM-Kit 06 - Arg(Me2a) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Arg(Me2a)Info
    SPT-PTM-TQL-K07-Rme2sSpikeTides™ PTM-Kit 07 - Arg(Me2s) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Arg(Me2s)Info
    SPT-PTM-TQL-K08-KacSpikeTides™ PTM-Kit 08 - Lys(Ac) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Ac)Info
    SPT-PTM-TQL-K09-KmeSpikeTides™ PTM-Kit 09 - Lys(Me) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Me)Info
    SPT-PTM-TQL-K10-Kme2SpikeTides™ PTM-Kit 10 - Lys(Me2) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Me2)Info
    SPT-PTM-TQL-K11-Kme3SpikeTides™ PTM-Kit 11 - Lys(Me3) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Me3)Info
    SPT-PTM-TQL-K12-KcroSpikeTides™ PTM-Kit 12 - Lys(Cro) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Cro)Info
    SPT-PTM-TQL-K13-KsucSpikeTides™ PTM-Kit 13 - Lys(Suc) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Suc)Info
    SPT-PTM-TQL-K14-KmalSpikeTides™ PTM-Kit 14 - Lys(Mal) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Mal)Info
    SPT-PTM-TQL-K15-KbioSpikeTides™ PTM-Kit 15 - Lys(Biotin) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Biotin)Info
    SPT-PTM-TQL-K16-KgluSpikeTides™ PTM-Kit 16 - Lys(Glu) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Glu)Info
    SPT-PTM-TQL-K17-KforSpikeTides™ PTM-Kit 17 - Lys(For) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(For)Info
    SPT-PTM-TQL-K18-KpropSpikeTides™ PTM-Kit 18 - Lys(Prop) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Prop)Info
    SPT-PTM-TQL-K19-KbutSpikeTides™ PTM-Kit 19 - Lys(But) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(But)Info
    SPT-PTM-TQL-K20-KhibSpikeTides™ PTM-Kit 20 - Lys(Hib) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(Hib)Info
    SPT-PTM-TQL-K21-KggSpikeTides™ PTM-Kit 21 - Lys(GG) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Lys(GG)Info
    SPT-PTM-TQL-K22-Sulfo-UnmodifiedSpikeTides™ PTM-Kit 22 - Sulfo-Unmodified - quantified Collection of absolutely quantified proteotypic unmodified potential sulfopeptidesInfo
    SPT-PTM-TQL-K23-SulfotyrosineSpikeTides™ PTM-Kit 23 - Sulfotyrosine - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification SulfotyrosineInfo
    SPT-PTM-TQL-K24-Glyco-UnmodifiedSpikeTides™ PTM-Kit 24 - Glyco-Unmodified - quantified Collection of absolutely quantified proteotypic unmodified potential glycopeptidesInfo
    SPT-PTM-TQL-K25-Glyco-Asn(betaDGlcNAc)SpikeTides™ PTM-Kit 25 - Glyco-Asn(betaDGlcNAc) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Glyco-Asn(betaDGlcNAc)Info
    SPT-PTM-TQL-K26-Glyco-Thr(alphaDGalNAc)SpikeTides™ PTM-Kit 26 - Glyco-Thr(alphaDGalNAc) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Glyco-Thr(alphaDGalNAc)Info
    SPT-PTM-TQL-K27-Glyco-SeralphaDGalNAcSpikeTides™ PTM-Kit 27 - Glyco-Ser(alphaDGalNAc) - quantified Collection of absolutely quantified proteotypic peptides with the post-translational modification Glyco-SeralphaDGalNAcInfo
    SPT-PTM-TQL-P01-00-pUSpikeTides™ PTM-Peptide 01-00 - Phospho-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DSTYDLP-R*-QtagInfo
    SPT-PTM-TQL-P01-01-pSSpikeTides™ PTM-Peptide 01-01 - Phosphoserine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-D-pS-TYDLP-R*-QtagInfo
    SPT-PTM-TQL-P01-02-pTSpikeTides™ PTM-Peptide 01-02 - Phosphothreonine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DS-pT-YDLP-R*-QtagInfo
    SPT-PTM-TQL-P01-03-pYSpikeTides™ PTM-Peptide 01-03 - Phosphotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DST-pY-DLP-R*-QtagInfo
    SPT-PTM-TQL-P02-00-pUSpikeTides™ PTM-Peptide 02-00 - Phospho-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DTDSINLY-K*-QtagInfo
    SPT-PTM-TQL-P02-02-pSSpikeTides™ PTM-Peptide 02-01 - Phosphoserine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DTD-pS-INLY-K*-QtagInfo
    SPT-PTM-TQL-P02-02-pTSpikeTides™ PTM-Peptide 02-02 - Phosphothreonine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-D-pT-DSINLY-K*-QtagInfo
    SPT-PTM-TQL-P02-03-pYSpikeTides™ PTM-Peptide 02-03 - Phosphotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DTDSINL-pY-K*-QtagInfo
    SPT-PTM-TQL-P03-00-pUSpikeTides™ PTM-Peptide 03-00 - Phospho-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YLSFTPPE-K*-QtagInfo
    SPT-PTM-TQL-P03-01-pYSpikeTides™ PTM-Peptide 03-01 - Phosphotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-pY-LSFTPPE-K*-QtagInfo
    SPT-PTM-TQL-P03-02-pSSpikeTides™ PTM-Peptide 03-02 - Phosphoserine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YL-pS-FTPPE-K*-QtagInfo
    SPT-PTM-TQL-P03-03-pTSpikeTides™ PTM-Peptide 03-03 - Phosphothreonine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YLSF-pT-PPE-K*-QtagInfo
    SPT-PTM-TQL-P04-00-pUSpikeTides™ PTM-Peptide 04-00 - Phospho-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YNVSTTPYLQSV-K*-QtagInfo
    SPT-PTM-TQL-P04-01-pSSpikeTides™ PTM-Peptide 04-01 - Phosphoserine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YNV-pS-TTPYLQSV-K*-QtagInfo
    SPT-PTM-TQL-P04-02-pTSpikeTides™ PTM-Peptide 04-02 - Phosphothreonine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YNVS-pT-TPYLQSV-K*-QtagInfo
    SPT-PTM-TQL-P04-03-pTSpikeTides™ PTM-Peptide 04-03 - Phosphothreonine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YNVST-pT-PYLQSV-K*-QtagInfo
    SPT-PTM-TQL-P04-04-pYSpikeTides™ PTM-Peptide 04-04 - Phosphotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YNVSTTP-pY-LQSV-K*-QtagInfo
    SPT-PTM-TQL-P04-05-pSSpikeTides™ PTM-Peptide 04-05 - Phosphoserine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-YNVSTTPYLQ-pS-V-K*-QtagInfo
    SPT-PTM-TQL-P05-01-RmeSpikeTides™ PTM-Peptide 05-01 - Arg(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GAAPP-Arg(Me)-G-R*-QtagInfo
    SPT-PTM-TQL-P05-02-Rme2aSpikeTides™ PTM-Peptide 05-02 - Arg(Me2a) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GAAPP-Arg(Me2a)-G-R*-QtagInfo
    SPT-PTM-TQL-P05-03-Rme2sSpikeTides™ PTM-Peptide 05-03 - Arg(Me2s) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GAAPP-Arg(Me2s)-G-R*-QtagInfo
    SPT-PTM-TQL-P06-01-RmeSpikeTides™ PTM-Peptide 06-01 - Arg(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GGD-Arg(Me)-GGF-R*-QtagInfo
    SPT-PTM-TQL-P06-02-Rme2aSpikeTides™ PTM-Peptide 06-02 - Arg(Me2a) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GGD-Arg(Me2a)-GGF-R*-QtagInfo
    SPT-PTM-TQL-P06-03-Rme2sSpikeTides™ PTM-Peptide 06-03 - Arg(Me2s) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GGD-Arg(Me2s)-GGF-R*-QtagInfo
    SPT-PTM-TQL-P07-01-RmeSpikeTides™ PTM-Peptide 07-01 - Arg(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GTPV-Arg(Me)-GAIT-R*-QtagInfo
    SPT-PTM-TQL-P07-02-Rme2aSpikeTides™ PTM-Peptide 07-02 - Arg(Me2a) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GTPV-Arg(Me2a)-GAIT-R*-QtagInfo
    SPT-PTM-TQL-P07-03-Rme2sSpikeTides™ PTM-Peptide 07-03 - Arg(Me2s) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-GTPV-Arg(Me2s)-GAIT-R*-QtagInfo
    SPT-PTM-TQL-P08-01-RmeSpikeTides™ PTM-Peptide 08-01 - Arg(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Arg(Me)-GLPGPAESL-R*-QtagInfo
    SPT-PTM-TQL-P08-02-Rme2aSpikeTides™ PTM-Peptide 08-02 - Arg(Me2a) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Arg(Me2a)-GLPGPAESL-R*-QtagInfo
    SPT-PTM-TQL-P08-03-Rme2sSpikeTides™ PTM-Peptide 08-03 - Arg(Me2s) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Arg(Me2s)-GLPGPAESL-R*-QtagInfo
    SPT-PTM-TQL-P09-01-RmeSpikeTides™ PTM-Peptide 09-01 - Arg(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Arg(Me)-GLSLS-R*-QtagInfo
    SPT-PTM-TQL-P09-02-Rme2aSpikeTides™ PTM-Peptide 09-02 - Arg(Me2a) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Arg(Me2a)-GLSLS-R*-QtagInfo
    SPT-PTM-TQL-P09-03-Rme2sSpikeTides™ PTM-Peptide 09-03 - Arg(Me2s) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Arg(Me2s)-GLSLS-R*-QtagInfo
    SPT-PTM-TQL-P10-01-RmeSpikeTides™ PTM-Peptide 10-01 - Arg(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAAFSG-Arg(Me)-GAQV-R*-QtagInfo
    SPT-PTM-TQL-P10-02-Rme2aSpikeTides™ PTM-Peptide 10-02 - Arg(Me2a) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAAFSG-Arg(Me2a)-GAQV-R*-QtagInfo
    SPT-PTM-TQL-P10-03-Rme2sSpikeTides™ PTM-Peptide 10-03 - Arg(Me2s) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAAFSG-Arg(Me2s)-GAQV-R*-QtagInfo
    SPT-PTM-TQL-P13-01-KacSpikeTides™ PTM-Peptide 13-01 - Lys(Ac) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Ac)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-02-KmeSpikeTides™ PTM-Peptide 13-02 - Lys(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Me)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-03-Kme2SpikeTides™ PTM-Peptide 13-03 - Lys(Me2) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Me2)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-04-Kme3SpikeTides™ PTM-Peptide 13-04 - Lys(Me3) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Me3)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-05-KcroSpikeTides™ PTM-Peptide 13-05 - Lys(Cro) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(cro)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-06-KsucSpikeTides™ PTM-Peptide 13-06 - Lys(Suc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Suc)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-07-KmalSpikeTides™ PTM-Peptide 13-07 - Lys(Mal) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Mal)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-08-KbioSpikeTides™ PTM-Peptide 13-08 - Lys(Biotin) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(Biotin)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-09-KgluSpikeTides™ PTM-Peptide 13-09 - Lys(Glu) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(glutaryl)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-10-KforSpikeTides™ PTM-Peptide 13-10 - Lys(For) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(for)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-11-KpropSpikeTides™ PTM-Peptide 13-11 - Lys(Prop) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(prop)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-12-KbutSpikeTides™ PTM-Peptide 13-12 - Lys(But) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(but)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-13-KhibSpikeTides™ PTM-Peptide 13-13 - Lys(Hib) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(hib)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P13-14-KggSpikeTides™ PTM-Peptide 13-14 - Lys(GG) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-A-Lys(GG)-WDAWNEL-K*-QtagInfo
    SPT-PTM-TQL-P16-01-KacSpikeTides™ PTM-Peptide 16-01 - Lys(Ac) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Ac)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-02-KmeSpikeTides™ PTM-Peptide 16-02 - Lys(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Me)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-03-Kme2SpikeTides™ PTM-Peptide 16-03 - Lys(Me2) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Me2)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-04-Kme3SpikeTides™ PTM-Peptide 16-04 - Lys(Me3) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Me3)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-05-KcroSpikeTides™ PTM-Peptide 16-05 - Lys(Cro) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(cro)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-06-KsucSpikeTides™ PTM-Peptide 16-06 - Lys(Suc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Suc)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-07-KmalSpikeTides™ PTM-Peptide 16-07 - Lys(Mal) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Mal)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-08-KbioSpikeTides™ PTM-Peptide 16-08 - Lys(Biotin) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(Biotin)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-09-KgluSpikeTides™ PTM-Peptide 16-09 - Lys(Glu) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(glutaryl)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-10-KforSpikeTides™ PTM-Peptide 16-10 - Lys(For) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(for)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-11-KpropSpikeTides™ PTM-Peptide 16-11 - Lys(Prop) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(prop)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-12-KbutSpikeTides™ PTM-Peptide 16-12 - Lys(But) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(but)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-13-KhibSpikeTides™ PTM-Peptide 16-13 - Lys(Hib) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(hib)-A-K*-QtagInfo
    SPT-PTM-TQL-P16-14-KggSpikeTides™ PTM-Peptide 16-14 - Lys(GG) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IEEELGS-Lys(GG)-A-K*-QtagInfo
    SPT-PTM-TQL-P17-01-KacSpikeTides™ PTM-Peptide 17-01 - Lys(Ac) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Ac)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-02-KmeSpikeTides™ PTM-Peptide 17-02 - Lys(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Me)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-03-Kme2SpikeTides™ PTM-Peptide 17-03 - Lys(Me2) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Me2)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-04-Kme3SpikeTides™ PTM-Peptide 17-04 - Lys(Me3) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Me3)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-05-KcroSpikeTides™ PTM-Peptide 17-05 - Lys(Cro) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(cro)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-06-KsucSpikeTides™ PTM-Peptide 17-06 - Lys(Suc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Suc)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-07-KmalSpikeTides™ PTM-Peptide 17-07 - Lys(Mal) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Mal)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-08-KbioSpikeTides™ PTM-Peptide 17-08 - Lys(Biotin) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(Biotin)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-09-KgluSpikeTides™ PTM-Peptide 17-09 - Lys(Glu) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(glutaryl)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-10-KforSpikeTides™ PTM-Peptide 17-10 - Lys(For) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(for)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-11-KpropSpikeTides™ PTM-Peptide 17-11 - Lys(Prop) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(prop)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-12-KbutSpikeTides™ PTM-Peptide 17-12 - Lys(But) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(but)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-13-KhibSpikeTides™ PTM-Peptide 17-13 - Lys(Hib) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(hib)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P17-14-KggSpikeTides™ PTM-Peptide 17-14 - Lys(GG) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-LAADVG-Lys(GG)-AGAE-R*-QtagInfo
    SPT-PTM-TQL-P18-01-KacSpikeTides™ PTM-Peptide 18-01 - Lys(Ac) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Ac)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-02-KmeSpikeTides™ PTM-Peptide 18-02 - Lys(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Me)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-03-Kme2SpikeTides™ PTM-Peptide 18-03 - Lys(Me2) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Me2)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-04-Kme3SpikeTides™ PTM-Peptide 18-04 - Lys(Me3) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Me3)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-05-KcroSpikeTides™ PTM-Peptide 18-05 - Lys(Cro) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(cro)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-06-KsucSpikeTides™ PTM-Peptide 18-06 - Lys(Suc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Suc)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-07-KmalSpikeTides™ PTM-Peptide 18-07 - Lys(Mal) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Mal)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-08-KbioSpikeTides™ PTM-Peptide 18-08 - Lys(Biotin) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(Biotin)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-09-KgluSpikeTides™ PTM-Peptide 18-09 - Lys(Glu) - quantified bsolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(glutaryl)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-10-KforSpikeTides™ PTM-Peptide 18-10 - Lys(For) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(for)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-11-KpropSpikeTides™ PTM-Peptide 18-11 - Lys(Prop) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(prop)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-12-KbutSpikeTides™ PTM-Peptide 18-12 - Lys(But) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(but)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-13-KhibSpikeTides™ PTM-Peptide 18-13 - Lys(Hib) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(hib)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P18-14-KggSpikeTides™ PTM-Peptide 18-14 - Lys(GG) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-IS-Lys(GG)-GANPVEI-R*-QtagInfo
    SPT-PTM-TQL-P19-01-KacSpikeTides™ PTM-Peptide 19-01 - Lys(Ac) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Ac)--K*-QtagInfo
    SPT-PTM-TQL-P19-02-KmeSpikeTides™ PTM-Peptide 19-02 - Lys(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Me)--K*-QtagInfo
    SPT-PTM-TQL-P19-03-Kme2SpikeTides™ PTM-Peptide 19-03 - Lys(Me2) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Me2)-K*-QtagInfo
    SPT-PTM-TQL-P19-04-Kme3SpikeTides™ PTM-Peptide 19-04 - Lys(Me3) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Me3)--K*-QtagInfo
    SPT-PTM-TQL-P19-05-KcroSpikeTides™ PTM-Peptide 19-05 - Lys(Cro) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(cro)-K*-QtagInfo
    SPT-PTM-TQL-P19-06-KsucSpikeTides™ PTM-Peptide 19-06 - Lys(Suc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Suc)-K*-QtagInfo
    SPT-PTM-TQL-P19-07-KmalSpikeTides™ PTM-Peptide 19-07 - Lys(Mal) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Mal)-K*-QtagInfo
    SPT-PTM-TQL-P19-08-KbioSpikeTides™ PTM-Peptide 19-08 - Lys(Biotin) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(Biotin)--K*-QtagInfo
    SPT-PTM-TQL-P19-09-KgluSpikeTides™ PTM-Peptide 19-09 - Lys(Glu) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(glutaryl)-K*-QtagInfo
    SPT-PTM-TQL-P19-10-KforSpikeTides™ PTM-Peptide 19-10 - Lys(For) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(for)--K*-QtagInfo
    SPT-PTM-TQL-P19-11-KpropSpikeTides™ PTM-Peptide 19-11 - Lys(Prop) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(prop)-K*-QtagInfo
    SPT-PTM-TQL-P19-12-KbutSpikeTides™ PTM-Peptide 19-12 - Lys(But) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(but)-K*-QtagInfo
    SPT-PTM-TQL-P19-13-KhibSpikeTides™ PTM-Peptide 19-13 - Lys(Hib) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(hib)-K*-QtagInfo
    SPT-PTM-TQL-P19-14-KggSpikeTides™ PTM-Peptide 19-14 - Lys(GG) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SAPSTGGV-Lys(GG)--K*-QtagInfo
    SPT-PTM-TQL-P20-01-KacSpikeTides™ PTM-Peptide 20-01 - Lys(Ac) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Ac)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-02-KmeSpikeTides™ PTM-Peptide 20-02 - Lys(Me) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Me)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-03-Kme2SpikeTides™ PTM-Peptide 20-03 - Lys(Me2) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Me2)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-04-Kme3SpikeTides™ PTM-Peptide 20-04 - Lys(Me3) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Me3)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-05-KcroSpikeTides™ PTM-Peptide 20-05 - Lys(Cro) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(cro)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-06-KsucSpikeTides™ PTM-Peptide 20-06 - Lys(Suc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Suc)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-07-KmalSpikeTides™ PTM-Peptide 20-07 - Lys(Mal) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Mal)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-08-KbioSpikeTides™ PTM-Peptide 20-08 - Lys(Biotin) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(Biotin)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-09-KgluSpikeTides™ PTM-Peptide 20-09 - Lys(Glu) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(glutaryl)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-10-KforSpikeTides™ PTM-Peptide 20-10 - Lys(For) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(for)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-11-KpropSpikeTides™ PTM-Peptide 20-11 - Lys(Prop) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(prop)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-12-KbutSpikeTides™ PTM-Peptide 20-12 - Lys(But) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(but)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-13-KhibSpikeTides™ PTM-Peptide 20-13 - Lys(Hib) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(hib)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P20-14-KggSpikeTides™ PTM-Peptide 20-14 - Lys(GG) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-G-Lys(GG)-GGEIQPVSV-K*-QtagInfo
    SPT-PTM-TQL-P21-00-SulfoUSpikeTides™ PTM-Peptide 21-00 - Sulfo-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-ASEEEPEYGEEI-K*-QtagInfo
    SPT-PTM-TQL-P21-01-SulfotyrosineSpikeTides™ PTM-Peptide 21-01 - Sulfotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-ASEEEPE-Tyr(SO3H)-GEEI-K*-QtagInfo
    SPT-PTM-TQL-P22-00-SulfoUSpikeTides™ PTM-Peptide 22-00 - Sulfo-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DFTYDSVDF-K*-QtagInfo
    SPT-PTM-TQL-P22-01-SulfotyrosineSpikeTides™ PTM-Peptide 22-01 - Sulfotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DFT-Tyr(SO3H)-DSVDF-K*-QtagInfo
    SPT-PTM-TQL-P23-00-SulfoUSpikeTides™ PTM-Peptide 23-00 - Sulfo-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-FSTEYELQQLEQF-K*-QtagInfo
    SPT-PTM-TQL-P23-01-SulfotyrosineSpikeTides™ PTM-Peptide 23-01 - Sulfotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-FSTE-Tyr(SO3H)-ELQQLEQF-K*-QtagInfo
    SPT-PTM-TQL-P24-00-SulfoUSpikeTides™ PTM-Peptide 24-00 - Sulfo-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-NYLNYGEEGAPG-K*-QtagInfo
    SPT-PTM-TQL-P24-01-SulfotyrosineSpikeTides™ PTM-Peptide 24-01 - Sulfotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-N-Tyr(SO3H)-LNYGEEGAPG-K*-QtagInfo
    SPT-PTM-TQL-P24-02-SulfotyrosineSpikeTides™ PTM-Peptide 24-02 - Sulfotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-NYLN-Tyr(SO3H)-GEEGAPG-K*-QtagInfo
    SPT-PTM-TQL-P25-00-SulfoUSpikeTides™ PTM-Peptide 25-00 - Sulfo-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DGTDYIEIIP-K*-QtagInfo
    SPT-PTM-TQL-P25-01-SulfotyrosineSpikeTides™ PTM-Peptide 25-01 - Sulfotyrosine - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-DGTD-Tyr(SO3H)-IEIIP-K*-QtagInfo
    SPT-PTM-TQL-P26-00-Glyco-UnmodifiedSpikeTides™ PTM-Peptide 26-00 - Glyco-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PEENLILDAQATS-R*-QtagInfo
    SPT-PTM-TQL-P26-02-Glyco-Thr(alphaDGalNAc)SpikeTides™ PTM-Peptide 26-02 - Glyco-Thr(alphaDGalNAc - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PEENLILDAQA-Thr(alphaDGalNAc)-S-R*-QtagInfo
    SPT-PTM-TQL-P26-03-Glyco-SeralphaDGalNAcSpikeTides™ PTM-Peptide 26-03 - Glyco-Ser(alphaDGalNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PEENLILDAQAT-Ser(alphaDGalNAc)-R*-QtagInfo
    SPT-PTM-TQL-P27-00-Glyco-UnmodifiedSpikeTides™ PTM-Peptide 27-00 - Glyco-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PLVATSPNPG-K*-QtagInfo
    SPT-PTM-TQL-P27-01-Glyco-Asn(betaDGlcNAc)SpikeTides™ PTM-Peptide 27-01 - Glyco-Asn(betaDGlcNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PLVATSP-Asn(betaDGlcNAc)-PG-K*-QtagInfo
    SPT-PTM-TQL-P27-02-Glyco-Thr(alphaDGalNAc)SpikeTides™ PTM-Peptide 27-02 - Glyco-Thr(alphaDGalNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PLVA-Thr(alphaDGalNAc)-SPNPG-K*-QtagInfo
    SPT-PTM-TQL-P27-03-Glyco-SeralphaDGalNAcSpikeTides™ PTM-Peptide 27-03 - Glyco-Ser(alphaDGalNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-PLVAT-Ser(alphaDGalNAc)-PNPG-K*-QtagInfo
    SPT-PTM-TQL-P28-00-Glyco-UnmodifiedSpikeTides™ PTM-Peptide 28-00 - Glyco-Unmodified - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SYISSQTNDTH-K*-QtagInfo
    SPT-PTM-TQL-P28-02-Glyco-Thr(alphaDGalNAc)SpikeTides™ PTM-Peptide 28-02 - Glyco-Thr(alphaDGalNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SYISSQ-Thr(alphaDGalNAc)-NDTH-K*-QtagInfo
    SPT-PTM-TQL-P28-03-Glyco-SeralphaDGalNAcSpikeTides™ PTM-Peptide 28-03 - Glyco-Ser(alphaDGalNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-Ser(alphaDGalNAc)-YISSQTNDTH-K*-QtagInfo
    SPT-PTM-TQL-P28-04-Glyco-SeralphaDGalNAcSpikeTides™ PTM-Peptide 28-04 - Glyco-Ser(alphaDGalNAc) - quantified Absolutely quantified proteotypic peptide for direct usage as reference material in mass-spectrometry based proteomics: H-SYI-Ser(alphaDGalNAc)-SQTNDTH-K*-QtagInfo

    Applications for Absolutely Quantified Peptides

    Benefits for Absolutely Quantified Peptides

    • Nondestructive quantification method
    • Re-quantification at endusers laboratory feasible
    • HPLC-purified peptides
    • Enables monitoring of peptide stability, precipitation and adhesion
    • Absolute and direct quantitation
    • SpikeTides™ TQL approach is robust and cost effective
    • Fully compatible with downstream analyses like MS and HPLC
    • Enables chemical barcoding of complex SpikeTides™ mixtures within the JPT-tag

    Testimonial for Absolutely Quantified Peptides

    "My unit at the Banting and Best Department of Medical Research, University of Toronto Centre for Cellular and Biomolecular Research (CCBR) works on the systematic identification and quantification of proteins and protein complexes on a global level. In addition we have started to perform targeted proteomics to study protein regulation within pathways, e.g. signaling pathways during stem cell fate decision. For this we used JPT's various SpikeTides™ peptide products to build LC-MRM assays in a fast and cost efficient manner. More recently we also found new ways of using low cost SpikeTides™ as quantitative peptide standards in order to quantify protein targets more accurately. We are currently in the process of validating this technology for the accurate quantification of various predicted microRNA targets."
    Prof. Andrew Emili (Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Canada)

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