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Please include the following statement when referencing the CPTAC Assay Portal
We would like to acknowledge the National Cancer Institute’s Clinical Proteomic Tumor Analysis Consortium (CPTAC) Assay Portal (assays.cancer.gov) for developing assays and establishing criteria for the assays described in this publication.

Overview Data source: UniProt

Official Gene Symbol Other Aliases
PRDX4 N/A
Sequence Length (AA) Molecular Weight (Da)
271 30540
Protein Name
Peroxiredoxin-4
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MEALPLLAAT TPDHGRHRRL LLLPLLLFLL PAGAVQGWET EERPRTREEE
60 70 80 90 100
CHFYAGGQVY PGEASRVSVA DHSLHLSKAK ISKPAPYWEG TAVIDGEFKE
110 120 130 140 150
LKLTDYRGKY LVFFFYPLDF TFVCPTEIIA FGDRLEEFRS INTEVVACSV
160 170 180 190 200
DSQFTHLAWI NTPRRQGGLG PIRIPLLSDL THQISKDYGV YLEDSGHTLR
210 220 230 240 250
GLFIIDDKGI LRQITLNDLP VGRSVDETLR LVQAFQYTDK HGEVCPAGWK
260 270 271
PGSETIIPDP AGKLKYFDKL N

Data source: UniProt


Position of Targeted Peptide Analytes Relative to SNPs, Isoforms, and PTMs

Uniprot Database Entry PhosphoSitePlus ®

Click a point on a node
to view detailed assay information below
All other points link out to UniProt



Phosphorylation Acetylation Ubiquitylation Other

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Assay Details for CPTAC-1448 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRDX4
Peptide Sequence
DYGVYLEDSGHTLR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
187
Peptide End
200
CPTAC ID
CPTAC-1448
Peptide Molecular Mass
1,623.7529
Species
Homo sapiens (Human)
Assay Type
Direct ImmunoMRM
Matrix
depleted digested plasma
Submitting Laboratory
Broad Institute
Submitting Lab PI
Steven A. Carr

Publication

View Details (opens in a new window)

Large-Scale Interlaboratory Study to Develop, Analytically Validate and Apply Highly Multiplexed, Quantitative Peptide Assays to Measure Cancer-Relevant Proteins in Plasma. Abbatiello SE, Schilling B, Mani DR, Zimmerman LJ, Hall SC, MacLean B, Albertolle M, Allen S, Burgess M, Cusack MP, Gosh M, Hedrick V, Held JM, Inerowicz HD, Jackson A, Keshishian H, Kinsinger CR, Lyssand J, Makowski L, Mesri M, Rodriguez H, Rudnick P, Sadowski P, Sedransk N, Shaddox K, Skates SJ, Kuhn E, Smith D, Whiteaker JR, Whitwell C, Zhang S, Borchers CH, Fisher SJ, Gibson BW, Liebler DC, MacCoss MJ, Neubert TA, Paulovich AG, Regnier FE, Tempst P, Carr SA. Mol Cell Proteomics. 2015 Sep;14(9):2357-74. doi: 10.1074/mcp.M114.047050. Epub 2015 Feb 18. PMID: 25693799


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Quantiva TSQ
Internal Standard
heavy stable isotope peptide (delta 8-10)
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
Easy NanoLC1000
Column Packing
Reprosil C18, 1.9um, 200A
Column Dimensions
0.075 x 150 mm
Flow Rate
200 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y9 (2+) 11 4.5 3.3 12 8.3 4.3 16.3 9.4 5.4 15 15 15
y10 (2+) 7.8 2.6 2.7 11.8 5.6 3.1 14.1 6.2 4.1 15 15 15
y8 (1+) 7.6 2.4 2.6 12.1 5.6 4.3 14.3 6.1 5 15 15 15
sum 5.2 2 2.2 8.7 5.4 3 10.1 5.8 3.7 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1450 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRDX4
Peptide Sequence
IPLLSDLTHQISK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
174
Peptide End
186
CPTAC ID
CPTAC-1450
Peptide Molecular Mass
1,463.8348
Species
Homo sapiens (Human)
Assay Type
Direct ImmunoMRM
Matrix
depleted digested plasma
Submitting Laboratory
Broad Institute
Submitting Lab PI
Steven A. Carr

Publication

View Details (opens in a new window)

Large-Scale Interlaboratory Study to Develop, Analytically Validate and Apply Highly Multiplexed, Quantitative Peptide Assays to Measure Cancer-Relevant Proteins in Plasma. Abbatiello SE, Schilling B, Mani DR, Zimmerman LJ, Hall SC, MacLean B, Albertolle M, Allen S, Burgess M, Cusack MP, Gosh M, Hedrick V, Held JM, Inerowicz HD, Jackson A, Keshishian H, Kinsinger CR, Lyssand J, Makowski L, Mesri M, Rodriguez H, Rudnick P, Sadowski P, Sedransk N, Shaddox K, Skates SJ, Kuhn E, Smith D, Whiteaker JR, Whitwell C, Zhang S, Borchers CH, Fisher SJ, Gibson BW, Liebler DC, MacCoss MJ, Neubert TA, Paulovich AG, Regnier FE, Tempst P, Carr SA. Mol Cell Proteomics. 2015 Sep;14(9):2357-74. doi: 10.1074/mcp.M114.047050. Epub 2015 Feb 18. PMID: 25693799


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Quantiva TSQ
Internal Standard
heavy stable isotope peptide (delta 8-10)
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
Easy NanoLC1000
Column Packing
Reprosil C18, 1.9um, 200A
Column Dimensions
0.075 x 150 mm
Flow Rate
200 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y12 (2+) 5.4 5.6 2.7 18.9 7.9 3.8 19.7 9.7 4.7 15 15 15
y11 (2+) 7.8 2.8 2.4 19.4 6.7 4 20.9 7.3 4.7 15 15 15
y10 (2+) 6.8 4.2 4 19.3 8.3 4.9 20.5 9.3 6.3 15 15 15
sum 5.4 3.2 2.4 18.7 7 3.6 19.5 7.7 4.3 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1449 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRDX4
Peptide Sequence
LVQAFQYTDK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
231
Peptide End
240
CPTAC ID
CPTAC-1449
Peptide Molecular Mass
1,211.6186
Species
Homo sapiens (Human)
Assay Type
Direct ImmunoMRM
Matrix
depleted digested plasma
Submitting Laboratory
Broad Institute
Submitting Lab PI
Steven A. Carr

Publication

View Details (opens in a new window)

Large-Scale Interlaboratory Study to Develop, Analytically Validate and Apply Highly Multiplexed, Quantitative Peptide Assays to Measure Cancer-Relevant Proteins in Plasma. Abbatiello SE, Schilling B, Mani DR, Zimmerman LJ, Hall SC, MacLean B, Albertolle M, Allen S, Burgess M, Cusack MP, Gosh M, Hedrick V, Held JM, Inerowicz HD, Jackson A, Keshishian H, Kinsinger CR, Lyssand J, Makowski L, Mesri M, Rodriguez H, Rudnick P, Sadowski P, Sedransk N, Shaddox K, Skates SJ, Kuhn E, Smith D, Whiteaker JR, Whitwell C, Zhang S, Borchers CH, Fisher SJ, Gibson BW, Liebler DC, MacCoss MJ, Neubert TA, Paulovich AG, Regnier FE, Tempst P, Carr SA. Mol Cell Proteomics. 2015 Sep;14(9):2357-74. doi: 10.1074/mcp.M114.047050. Epub 2015 Feb 18. PMID: 25693799


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Quantiva TSQ
Internal Standard
heavy stable isotope peptide (delta 8-10)
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
Easy NanoLC1000
Column Packing
Reprosil C18, 1.9um, 200A
Column Dimensions
0.075 x 150 mm
Flow Rate
200 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y8 (1+) 5 1.9 1.8 5.7 6.7 4.2 7.6 7 4.6 15 15 15
y7 (1+) 6.7 2.9 2.7 7.5 7.9 4 10.1 8.4 4.8 15 15 15
y6 (1+) 6.7 3.2 2.5 7.1 6.7 3.6 9.8 7.4 4.4 15 15 15
sum 3.9 2 1.6 5 7 3.5 6.3 7.3 3.8 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1451 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRDX4
Peptide Sequence
QITLNDLPVGR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
213
Peptide End
223
CPTAC ID
CPTAC-1451
Peptide Molecular Mass
1,224.6826
Species
Homo sapiens (Human)
Assay Type
Direct ImmunoMRM
Matrix
depleted digested plasma
Submitting Laboratory
Broad Institute
Submitting Lab PI
Steven A. Carr

Publication

View Details (opens in a new window)

Large-Scale Interlaboratory Study to Develop, Analytically Validate and Apply Highly Multiplexed, Quantitative Peptide Assays to Measure Cancer-Relevant Proteins in Plasma. Abbatiello SE, Schilling B, Mani DR, Zimmerman LJ, Hall SC, MacLean B, Albertolle M, Allen S, Burgess M, Cusack MP, Gosh M, Hedrick V, Held JM, Inerowicz HD, Jackson A, Keshishian H, Kinsinger CR, Lyssand J, Makowski L, Mesri M, Rodriguez H, Rudnick P, Sadowski P, Sedransk N, Shaddox K, Skates SJ, Kuhn E, Smith D, Whiteaker JR, Whitwell C, Zhang S, Borchers CH, Fisher SJ, Gibson BW, Liebler DC, MacCoss MJ, Neubert TA, Paulovich AG, Regnier FE, Tempst P, Carr SA. Mol Cell Proteomics. 2015 Sep;14(9):2357-74. doi: 10.1074/mcp.M114.047050. Epub 2015 Feb 18. PMID: 25693799


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Quantiva TSQ
Internal Standard
heavy stable isotope peptide (delta 8-10)
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
Easy NanoLC1000
Column Packing
Reprosil C18, 1.9um, 200A
Column Dimensions
0.075 x 150 mm
Flow Rate
200 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y7 (1+) 3.7 2.7 1.5 13.7 6.9 2.9 14.2 7.4 3.3 15 15 15
y5 (1+) 2.5 2.9 2.2 9.4 6.8 3.7 9.7 7.4 4.3 15 15 15
y4 (1+) 2.3 1.7 1.1 12.1 6.2 2.6 12.3 6.4 2.8 15 15 15
sum 1.8 1.7 1 11.3 6.4 2.8 11.4 6.6 3 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-714 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRDX4
Peptide Sequence
LVQAFQYTDK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
231
Peptide End
240
CPTAC ID
CPTAC-714
Peptide Molecular Mass
1,211.6186
Species
Homo sapiens (Human)
Assay Type
Enrichment ImmunoMRM
Enrichment Method
peptide immunoaffinity
Matrix
plasma
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Anti-peptide monoclonal antibodies generated for immuno-multiple reaction monitoring-mass spectrometry assays have a high probability of supporting Western blot and ELISA. Schoenherr RM, Saul RG, Whiteaker JR, Yan P, Whiteley GR, Paulovich AG. Mol Cell Proteomics. 2015 Feb;14(2):382-98. doi: 10.1074/mcp.O114.043133. Epub 2014 Dec 15. PMID: 25512614


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
5500 Qtrap
Internal Standard
synthetic peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
Eksigent NanoLC 2D
Column Packing
ReproSil-Pur C18-AQ 3 um
Column Dimensions
100 mm x 75 um ID
Flow Rate
300 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y6 (1+) 18.4 2.8 2.9 20.2 5.5 4.8 27.3 6.2 5.6 15 15 15
y7 (1+) 21.7 3.4 2.8 23.2 5.6 3.6 31.8 6.6 4.6 15 15 15
y8 (1+) 18.9 5.1 2 21.3 5.9 3.9 28.5 7.8 4.4 15 15 15
sum 14 2.9 1.4 19.4 4.8 3.5 23.9 5.6 3.8 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-713 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRDX4
Peptide Sequence
QITLNDLPVGR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
213
Peptide End
223
CPTAC ID
CPTAC-713
Peptide Molecular Mass
1,224.6826
Species
Homo sapiens (Human)
Assay Type
Enrichment ImmunoMRM
Enrichment Method
peptide immunoaffinity
Matrix
plasma
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Anti-peptide monoclonal antibodies generated for immuno-multiple reaction monitoring-mass spectrometry assays have a high probability of supporting Western blot and ELISA. Schoenherr RM, Saul RG, Whiteaker JR, Yan P, Whiteley GR, Paulovich AG. Mol Cell Proteomics. 2015 Feb;14(2):382-98. doi: 10.1074/mcp.O114.043133. Epub 2014 Dec 15. PMID: 25512614


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
5500 Qtrap
Internal Standard
synthetic peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
Eksigent NanoLC 2D
Column Packing
ReproSil-Pur C18-AQ 3 um
Column Dimensions
100 mm x 75 um ID
Flow Rate
300 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y5 (1+) 30.3 6.6 5.4 32.9 9.8 10.6 44.7 11.8 11.9 15 15 15
y7 (1+) 15.2 6.1 3 14.7 8.1 5.8 21.1 10.1 6.5 15 15 15
y9 (1+) 11.5 4.8 6.9 15 7.4 8.4 18.9 8.8 10.9 15 15 15
sum 14.2 2.4 2.4 15.3 5.9 5.7 20.9 6.4 6.2 15 15 15


Additional Resources and Comments


Assay Details for non-CPTAC-3866 Collapse assay details

Data source: Panorama

Official Gene Symbol
Prdx4
Peptide Sequence
VSVADHSLHLSK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
70
Peptide End
81
CPTAC ID
non-CPTAC-3866
Peptide Molecular Mass
1,291.6885
Species
Mus musculus (Mouse)
Assay Type
Direct ImmunoMRM
Matrix
Plasma
Submitting Laboratory
UVic-Genome BC Proteomics Centre
Submitting Lab PI
Christoph Borchers

Publication

View Details (opens in a new window)

Molecular phenotyping of laboratory mouse strains using 500 multiple reaction monitoring mass spectrometry plasma assays. Michaud SA, Sinclair NJ, Petrošová H, Palmer AL, Pistawka AJ, Zhang S, Hardie DB, Mohammed Y Eshghi A1, Richard VR, Sickmann A, Borchers CH. Commun Biol. 2018 Jun 27;1:78. doi: 10.1038/s42003-018-0087-6. eCollection 2018.


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Agilent 6490/6495 QQQ
Internal Standard
synthetic peptide
Peptide Standard Purity
>80%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
1290 LC (Agilent)
Column Packing
Zorbax Eclipse Plus C18, 1.8 µm
Column Dimensions
2.1 x 150 mm
Flow Rate
400 µL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

Loader

Repeatability

Data source: Panorama

  Average intra-assay CV
(within day CV)
Average inter-assay CV
(between day CV)
Total CV
equation
n=
Fragment ion / Transition Low Med High Low Med High Low Med High Low Med High
y2 (1+) 14.6 8.4 4.5 18.7 9.2 8 23.7 12.5 9.2 15 15 15
y7 (2+) 22.1 9.8 10.6 20.7 10.4 11 30.3 14.3 15.3 15 15 15
y9 (2+) 13.9 7.5 10 22.3 14.7 16.2 26.3 16.5 19 15 15 15
y10 (2+) 10.8 4.7 3.6 28.2 6.7 7.5 30.2 8.2 8.3 15 15 15
y11 (2+) 6.6 4.7 6.9 7.3 6.3 7.8 9.8 7.9 10.4 15 15 15
sum 6.8 3.2 3 12.6 5.5 5.9 14.3 6.4 6.6 15 15 15


Additional Resources and Comments