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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
Lgals1 Gbp
Sequence Length (AA) Molecular Weight (Da)
135 14866
Protein Name
Galectin-1
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MACGLVASNL NLKPGECLKV RGEVASDAKS FVLNLGKDSN NLCLHFNPRF
60 70 80 90 100
NAHGDANTIV CNTKEDGTWG TEHREPAFPF QPGSITEVCI TFDQADLTIK
110 120 130 135
LPDGHEFKFP NRLNMEAINY MAADGDFKIK CVAFE

Data source: UniProt


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

Uniprot Database Entry PhosphoSitePlus ®

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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-1436 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Sequence
DGGAWGTEQR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
65
Peptide End
74
CPTAC ID
CPTAC-1436
Peptide Molecular Mass
1,075.4683
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
y7 (1+) 12.4 3.7 3.5 12.1 8.7 6.4 17.3 9.5 7.3 15 15 15
y6 (1+) 3.9 2.7 2 5 5.9 4.9 6.3 6.5 5.3 15 15 15
y5 (1+) 2.9 1.8 1.4 3.2 6 3.9 4.3 6.3 4.1 15 15 15
sum 2.1 2 1.2 2.7 6 4.2 3.4 6.3 4.4 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1437 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Modified Sequence
DSNNLC[+57.0]LHFNPR
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
43
Peptide - Site of Modification
6
Peptide Start
38
Peptide End
49
CPTAC ID
CPTAC-1437
Peptide Molecular Mass
1,485.6783
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
13C and 15N R
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 (2+) 6.7 3.7 2.6 9.8 6.4 3.2 11.9 7.4 4.1 15 15 15
y8 (2+) 6.8 2.6 2.4 6.8 6.1 3.9 9.6 6.6 4.6 15 15 15
y7 (2+) 6.9 2.2 1.1 9.3 5.9 4.4 11.6 6.3 4.5 15 15 15
sum 3.7 2 0.9 6.4 5.8 3.2 7.4 6.1 3.3 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1438 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Modified Sequence
FNAHGDANTIVC[+57.0]NSK
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
61
Peptide - Site of Modification
12
Peptide Start
50
Peptide End
64
CPTAC ID
CPTAC-1438
Peptide Molecular Mass
1,646.7471
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
13C and 15N K
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
y5 (1+) 3.1 1.4 1.9 5 5.4 2.8 5.9 5.6 3.4 15 15 15
y6 (1+) 5.1 2.7 1.7 5.8 6.1 4.3 7.7 6.7 4.6 15 15 15
y4 (1+) 2.9 1.8 2.3 3.6 6.5 3.9 4.6 6.7 4.5 15 15 15
sum 2.7 1.2 1.7 4.2 5.5 3 5 5.6 3.4 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1440 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Sequence
LPDGYEFK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
101
Peptide End
108
CPTAC ID
CPTAC-1440
Peptide Molecular Mass
967.4651
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
13C and 15N K
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+) 2.9 2 1.9 6.9 6.4 3.6 7.5 6.7 4.1 15 15 15
y6 (1+) 3 2.7 2.8 3.8 5.8 2.8 4.8 6.4 4 15 15 15
y7 (2+) 3 1.7 1.8 4.7 5.6 2.8 5.6 5.9 3.3 15 15 15
sum 2.3 1.7 1.8 4.6 5.7 2.7 5.1 5.9 3.2 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1439 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Sequence
SFVLNLGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
30
Peptide End
37
CPTAC ID
CPTAC-1439
Peptide Molecular Mass
876.5069
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
13C and 15N K
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
y4 (1+) 3.9 2.4 2.2 4.1 6.5 2.4 5.7 6.9 3.3 15 15 15
y6 (1+) 3.1 2.3 1.3 3.3 6.1 2.4 4.5 6.5 2.7 15 15 15
y5 (1+) 2 2 1.7 5.2 6.1 2.9 5.6 6.4 3.4 15 15 15
sum 2.3 2.2 1 3.6 6.1 2.3 4.3 6.5 2.5 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-706 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Sequence
SFVLNLGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
30
Peptide End
37
CPTAC ID
CPTAC-706
Peptide Molecular Mass
876.5069
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 K
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
y4 (1+) 20.2 5.6 4.9 19.7 8.8 6.6 28.2 10.4 8.2 15 15 15
y5 (1+) 19.3 2.7 4.6 22.1 4.6 6.8 29.3 5.3 8.2 15 15 15
y6 (1+) 13.1 4.6 3.5 18.7 3.9 5.3 22.8 6 6.4 15 15 15
sum 13.4 2.9 2.6 17.9 3 5.3 22.4 4.2 5.9 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-5947 Collapse assay details

Data source: Panorama

Official Gene Symbol
LGALS1
Peptide Sequence
SFVLNLGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
4
Peptide Start
30
Peptide End
37
CPTAC ID
CPTAC-5947
Peptide Molecular Mass
876.5069
Species
Homo sapiens (Human)
Assay Type
Enrichment MRM
Enrichment Method
N/A
Matrix
FFPE tumor tissue lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Targeted Mass Spectrometry Enables Multiplexed Quantification of Immunomodulatory Proteins in Clinical Biospecimens.Whiteaker JR, Lundeen RA, Zhao L, Schoenherr RM, Burian A, Huang D, Voytovich U, Wang T, Kennedy JJ, Ivey RG, Lin C, Murillo OD, Lorentzen TD, Thiagarajan M, Colantonio S, Caceres TW, Roberts RR, Knotts JG, Reading JJ, Kaczmarczyk JA, Richardson CW, Garcia-Buntley SS, Bocik W, Hewitt SM, Murray KE, Do N, Brophy M, Wilz SW, Yu H, Ajjarapu S, Boja E, Hiltke T, Rodriguez H, Paulovich AG.Front Immunol. 2021 Nov 11;12:765898. doi: 10.3389/fimmu.2021.765898. eCollection 2021.PMID: 34858420


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
QTRAP 5500
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N K
LC
Eksigent nanoLC 425
Column Packing
3 µm ChromXP C18EP, 120 Å
Column Dimensions
150 x 0.3 mm
Flow Rate
0.3 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
y6 (1+) 9 6.7 5.2 45.4 66.1 44.4 46.3 66.4 44.7 13 25 14
y4 (1+) 9.2 7.2 4.7 15 17.9 15.8 17.6 19.3 16.5 13 25 14
y5 (1+) 10.2 6.4 6.7 21.8 29.9 24.3 24.1 30.6 25.2 13 25 14
sum 8.6 5.5 4.8 26.2 36.5 26.2 27.6 36.9 26.6 13 25 14


Additional Resources and Comments


Assay Details for non-CPTAC-3587 Collapse assay details

Data source: Panorama

Official Gene Symbol
Lgals1
Peptide Sequence
SFVLNLGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
30
Peptide End
37
CPTAC ID
non-CPTAC-3587
Peptide Molecular Mass
876.5069
Species
Mus musculus (Mouse)
Assay Type
Direct MRM
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
>95%
Peptide Standard Label Type
13C and 15N 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
b3 (1+) 36.4 11.2 7.5 36.7 12.2 8.4 51.7 16.6 11.3 15 15 15
b2 (1+) 12.3 4.6 6.2 14.7 10.1 4.2 19.2 11.1 7.5 15 15 15
y2 (1+) 57 36.4 9.3 55.7 39.7 15.4 79.7 53.9 18 15 15 15
y5 (1+) 21.5 5.8 6.4 15.6 9.9 8 26.6 11.5 10.2 15 15 15
y6 (1+) 8 4.9 3.2 16.6 6.7 3.8 18.4 8.3 5 15 15 15
sum 6.2 2.5 2.9 9.1 6.8 2.8 11 7.2 4 15 15 15


Additional Resources and Comments