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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
GSTO1 GSTTLP28
Sequence Length (AA) Molecular Weight (Da)
241 27566
Protein Name
Glutathione S-transferase omega-1
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSGESARSLG KGSAPPGPVP EGSIRIYSMR FCPFAERTRL VLKAKGIRHE
60 70 80 90 100
VININLKNKP EWFFKKNPFG LVPVLENSQG QLIYESAITC EYLDEAYPGK
110 120 130 140 150
KLLPDDPYEK ACQKMILELF SKVPSLVGSF IRSQNKEDYA GLKEEFRKEF
160 170 180 190 200
TKLEEVLTNK KTTFFGGNSI SMIDYLIWPW FERLEAMKLN ECVDHTPKLK
210 220 230 240 241
LWMAAMKEDP TVSALLTSEK DWQGFLELYL QNSPEACDYG L

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-382 Collapse assay details

Data source: Panorama

Official Gene Symbol
GSTO1
Peptide Sequence
EDPTVSALLTSEK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
208
Peptide End
220
CPTAC ID
CPTAC-382
Peptide Molecular Mass
1,388.7035
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Broad Institute and FHCRC
Submitting Lab PI
Steve Carr

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


Response curves acquired at Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


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
y9 (1+) 12.9 16.3 12.9 24.2 24.3 15 27.4 29.3 19.8 15 25 15
y8 (1+) 14.5 11.4 9.1 29.4 22.3 12.8 32.8 25 15.7 15 25 15
y7 (1+) 25.1 18.6 20 39.3 24.3 25.9 46.6 30.6 32.7 15 25 15
sum 14.2 11.5 7.6 27.2 22 10.9 30.7 24.8 13.3 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-381 Collapse assay details

Data source: Panorama

Official Gene Symbol
GSTO1
Peptide Sequence
VPSLVGSFIR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
123
Peptide End
132
CPTAC ID
CPTAC-381
Peptide Molecular Mass
1,073.6233
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Broad Institute and FHCRC
Submitting Lab PI
Steve Carr

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


Response curves acquired at Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


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
y8 (1+) 9 9 8 9.1 9.9 9.5 12.8 13.4 12.4 15 25 15
y6 (1+) 14.9 10.1 6 19 9.7 6 24.1 14 8.5 15 25 15
y5 (1+) 26.6 9.7 6.9 33.6 10 7.3 42.9 13.9 10 15 25 15
sum 15.6 9.3 6.9 18.1 9.7 7.4 23.9 13.4 10.1 15 25 15


Additional Resources and Comments


Assay Details for non-CPTAC-3712 Collapse assay details

Data source: Panorama

Official Gene Symbol
Gsto1
Peptide Sequence
EALENEFK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
144
Peptide End
151
CPTAC ID
non-CPTAC-3712
Peptide Molecular Mass
978.4658
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 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
y6 (2+) 18.4 7.4 5.6 21.7 7.6 8.2 28.5 10.6 9.9 15 15 15
y2 (1+) 10.6 8.9 6.8 13.9 9.4 14.2 17.5 12.9 15.7 15 15 15
y4 (1+) 6.3 7.1 6.9 9.5 8.7 8.5 11.4 11.2 10.9 15 15 15
y5 (1+) 9.4 6.9 3.8 12.2 7.1 11 15.4 9.9 11.6 15 15 15
y6 (1+) 20.9 8 5.6 21.2 10.5 12.4 29.8 13.2 13.6 15 15 15
sum 5.4 3.5 3 7.8 4.9 8.2 9.5 6 8.7 15 15 15


Additional Resources and Comments