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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
CALR CRTC
Sequence Length (AA) Molecular Weight (Da)
417 48142
Protein Name
Calreticulin
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MLLSVPLLLG LLGLAVAEPA VYFKEQFLDG DGWTSRWIES KHKSDFGKFV
60 70 80 90 100
LSSGKFYGDE EKDKGLQTSQ DARFYALSAS FEPFSNKGQT LVVQFTVKHE
110 120 130 140 150
QNIDCGGGYV KLFPNSLDQT DMHGDSEYNI MFGPDICGPG TKKVHVIFNY
160 170 180 190 200
KGKNVLINKD IRCKDDEFTH LYTLIVRPDN TYEVKIDNSQ VESGSLEDDW
210 220 230 240 250
DFLPPKKIKD PDASKPEDWD ERAKIDDPTD SKPEDWDKPE HIPDPDAKKP
260 270 280 290 300
EDWDEEMDGE WEPPVIQNPE YKGEWKPRQI DNPDYKGTWI HPEIDNPEYS
310 320 330 340 350
PDPSIYAYDN FGVLGLDLWQ VKSGTIFDNF LITNDEAYAE EFGNETWGVT
360 370 380 390 400
KAAEKQMKDK QDEEQRLKEE EEDKKRKEEE EAEDKEDDED KDEDEEDEED
410 417
KEEDEEEDVP GQAKDEL

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-1392 Collapse assay details

Data source: Panorama

Official Gene Symbol
CALR
Peptide Sequence
EQFLDGDGWTSR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
14
Peptide End
25
CPTAC ID
CPTAC-1392
Peptide Molecular Mass
1,409.6212
Species
Homo sapiens (Human)
Assay Type
Direct MRM
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
y10 (1+) 10.3 3.9 2.2 11.5 8.4 3.3 15.4 9.3 4 15 15 15
y7 (1+) 4.6 1.9 2 11 5.9 3.4 11.9 6.2 3.9 15 15 15
y8 (1+) 4.2 1.6 2 8.2 5.3 3.9 9.2 5.5 4.4 15 15 15
sum 3 1.2 1.3 8.6 5.6 3.2 9.1 5.7 3.5 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1391 Collapse assay details

Data source: Panorama

Official Gene Symbol
CALR
Peptide Sequence
FYALSASFEPFSNK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
63
Peptide End
76
CPTAC ID
CPTAC-1391
Peptide Molecular Mass
1,606.7668
Species
Homo sapiens (Human)
Assay Type
Direct MRM
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 (1+) 3.2 3.8 21.6 12.5 14.6 28.8 12.9 15.1 36 15 15 15
y8 (1+) 7.8 5.8 4.5 21 11 4.8 22.4 12.4 6.6 15 15 15
y5 (1+) 7.5 5.3 6.5 16.5 8.9 6.6 18.1 10.4 9.3 15 15 15
sum 4.2 4 9.2 13.5 11.5 10.5 14.1 12.2 14 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1390 Collapse assay details

Data source: Panorama

Official Gene Symbol
CALR
Peptide Sequence
QIDNPDYK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
268
Peptide End
275
CPTAC ID
CPTAC-1390
Peptide Molecular Mass
991.4611
Species
Homo sapiens (Human)
Assay Type
Direct MRM
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
y6 (1+) 3.5 2.5 2.4 7.8 7.5 4 8.5 7.9 4.7 15 15 15
y5 (1+) 7.3 2.1 2.3 9.3 6.6 2.6 11.8 6.9 3.5 15 15 15
y4 (1+) 2.6 1.2 1.3 4.5 6.3 1.8 5.2 6.4 2.2 15 15 15
sum 2.5 1 1.2 4.3 6.4 2.2 5 6.5 2.5 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-33 Collapse assay details

Data source: Panorama

Official Gene Symbol
CALR
Peptide Sequence
FYALSASFEPFSNK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
63
Peptide End
76
CPTAC ID
CPTAC-33
Peptide Molecular Mass
1,606.7668
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Demonstrating the feasibility of large-scale development of standardized assays to quantify human proteins. Kennedy JJ, Abbatiello SE, Kim K, Yan P, Whiteaker JR, Lin C, Kim JS, Zhang Y, Wang X, Ivey RG, Zhao L, Min H, Lee Y, Yu MH, Yang EG, Lee C, Wang P, Rodriguez H, Kim Y, Carr SA, Paulovich AG. Nat Methods. 2014 Feb;11(2):149-55. doi: 10.1038/nmeth.2763. Epub 2013 Dec 8. PMID: 24317253


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
5500 QTRAP (ABSCIEX)
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
15N
LC
nanoLC-Ultra 2D, cHiPLC-nanoflex (Eksigent)
Column Packing
ChromXP C18-CL, 3 um, 120A
Column Dimensions
150 x 0.075 mm
Flow Rate
500 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 (1+) 19.5 9.3 8.1 34.3 15.3 20.6 39.5 17.9 22.1 15 25 15
y8 (1+) 34.3 12.1 6.5 33 16.2 16.3 47.6 20.2 17.5 15 25 15
y5 (1+) 19.3 10.7 5.9 43.7 17 17.6 47.8 20.1 18.6 15 25 15
sum 11.3 9.1 6.3 30.6 15.2 17.7 32.6 17.7 18.8 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-698 Collapse assay details

Data source: Panorama

Official Gene Symbol
CALR
Peptide Sequence
GLQTSQDAR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
65
Peptide End
73
CPTAC ID
CPTAC-698
Peptide Molecular Mass
974.4781
Species
Homo sapiens (Human)
Assay Type
Enrichment MRM
Enrichment Method
N/A
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
13C and 15N at C-terminus R
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+) 17.3 4.7 1.5 25.4 7.2 3.4 30.7 8.6 3.7 15 15 15
y6 (1+) 15.5 3.3 2.1 26.3 4.8 4.8 30.5 5.8 5.2 15 15 15
y7 (1+) 16.4 5.1 3.2 25.7 5.7 4.5 30.5 7.6 5.5 15 15 15
sum 13.6 2.7 1.6 23.9 3.7 4.2 27.5 4.6 4.5 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-34 Collapse assay details

Data source: Panorama

Official Gene Symbol
CALR
Peptide Sequence
IDDPTDSKPEDWDKPEHIPDPDAK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
225
Peptide End
248
CPTAC ID
CPTAC-34
Peptide Molecular Mass
2,759.2562
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Demonstrating the feasibility of large-scale development of standardized assays to quantify human proteins. Kennedy JJ, Abbatiello SE, Kim K, Yan P, Whiteaker JR, Lin C, Kim JS, Zhang Y, Wang X, Ivey RG, Zhao L, Min H, Lee Y, Yu MH, Yang EG, Lee C, Wang P, Rodriguez H, Kim Y, Carr SA, Paulovich AG. Nat Methods. 2014 Feb;11(2):149-55. doi: 10.1038/nmeth.2763. Epub 2013 Dec 8. PMID: 24317253


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
5500 QTRAP (ABSCIEX)
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C,15N
LC
nanoLC-Ultra 2D, cHiPLC-nanoflex (Eksigent)
Column Packing
ChromXP C18-CL, 3 um, 120A
Column Dimensions
150 x 0.075 mm
Flow Rate
500 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
y10 (1+) 24 11.1 9.3 28.2 18.4 12.8 37 21.5 15.8 25 15 15
y18 (2+) 11.3 9 10.3 11.5 13.9 10.3 16.1 16.6 14.6 25 15 15
y16 (2+) 19.8 6.1 10.8 19.3 19.1 14.1 27.7 20.1 17.8 25 15 15
sum 10.6 7.7 7.4 13.1 16.1 10.5 16.9 17.8 12.8 25 15 15


Additional Resources and Comments


Assay Details for non-CPTAC-3966 Collapse assay details

Data source: Panorama

Official Gene Symbol
Calr
Peptide Sequence
GQTLVVQFTVK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
88
Peptide End
98
CPTAC ID
non-CPTAC-3966
Peptide Molecular Mass
1,218.6972
Species
Mus musculus (Mouse)
Assay Type
Direct MRM
Matrix
Plasma
Submitting Laboratory
UVic-Genome BC Proteomics Centre
Submitting Lab PI
Christoph Borchers

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
y7 (1+) 6.6 7.9 7.9 10.4 11.1 8.2 12.3 13.6 11.4 15 15 15
y8 (1+) 11.5 4.1 5.9 12.5 7.2 5.6 17 8.3 8.1 15 15 15
y9 (1+) 10.7 7.3 4.8 13.8 10.5 6 17.5 12.8 7.7 15 15 15
y6 (1+) 8.7 6.8 2.6 10 7 5.3 13.3 9.8 5.9 15 15 15
b3 (1+) 6.4 5.6 7.2 6.6 6.3 6.8 9.2 8.4 9.9 15 15 15
sum 4.9 3 1.1 6.1 5.4 3.5 7.8 6.2 3.7 15 15 15


Additional Resources and Comments