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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
PSAT1 PSA
Sequence Length (AA) Molecular Weight (Da)
370 40423
Protein Name
Phosphoserine aminotransferase
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MDAPRQVVNF GPGPAKLPHS VLLEIQKELL DYKGVGISVL EMSHRSSDFA
60 70 80 90 100
KIINNTENLV RELLAVPDNY KVIFLQGGGC GQFSAVPLNL IGLKAGRCAD
110 120 130 140 150
YVVTGAWSAK AAEEAKKFGT INIVHPKLGS YTKIPDPSTW NLNPDASYVY
160 170 180 190 200
YCANETVHGV EFDFIPDVKG AVLVCDMSSN FLSKPVDVSK FGVIFAGAQK
210 220 230 240 250
NVGSAGVTVV IVRDDLLGFA LRECPSVLEY KVQAGNSSLY NTPPCFSIYV
260 270 280 290 300
MGLVLEWIKN NGGAAAMEKL SSIKSQTIYE IIDNSQGFYV CPVEPQNRSK
310 320 330 340 350
MNIPFRIGNA KGDDALEKRF LDKALELNML SLKGHRSVGG IRASLYNAVT
360 370
IEDVQKLAAF MKKFLEMHQL

Data source: UniProt


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

Uniprot Database Entry PhosphoSitePlus ®

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All other points link out to UniProt



Phosphorylation Acetylation Ubiquitylation Other

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Assay Details for CPTAC-2775 Collapse assay details

Data source: Panorama

Official Gene Symbol
PSAT1
Peptide Sequence
ASLYNAVTIEDVQK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
343
Peptide End
356
CPTAC ID
CPTAC-2775
Peptide Molecular Mass
1,549.7988
Species
Homo Sapiens
Assay Type
Direct PRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher Q-Exactive
Internal Standard
13 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 um x 50 cm
Flow Rate
300 nL/min

Chromatograms

Data source: Panorama


Response Curves

Data source: Panorama

Retrieving Data

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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+) 28 6.2 7.3 22.6 6.8 7.2 36 9.2 10.3 15 15 15
y4 (1+) 24.2 6.1 4.3 21.7 8.7 6.9 32.5 10.6 8.1 15 15 15
y3 (1+) 36.6 6.8 8.3 30.9 8.9 8.4 47.9 11.2 11.8 15 15 15
sum 28.2 4.1 5.6 22.6 6.3 6.2 36.1 7.5 8.4 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2774 Collapse assay details

Data source: Panorama

Official Gene Symbol
PSAT1
Peptide Sequence
FGVIFAGAQK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
191
Peptide End
200
CPTAC ID
CPTAC-2774
Peptide Molecular Mass
1,036.5706
Species
Homo Sapiens
Assay Type
Direct PRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher Q-Exactive
Internal Standard
13 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 um x 50 cm
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+) 7.4 4.4 5.1 7.3 5.2 6.5 10.4 6.8 8.3 15 15 15
y4 (1+) 7.9 4.9 5.2 7.7 6.1 5.9 11 7.8 7.9 15 15 15
b3 (1+) 6.3 5.5 4.8 6 7 7.7 8.7 8.9 9.1 15 15 15
sum 4 4.3 4.4 4.6 5.5 6.3 6.1 7 7.7 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2773 Collapse assay details

Data source: Panorama

Official Gene Symbol
PSAT1
Peptide Sequence
IINNTENLVR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
52
Peptide End
61
CPTAC ID
CPTAC-2773
Peptide Molecular Mass
1,184.6513
Species
Homo Sapiens
Assay Type
Direct PRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher Q-Exactive
Internal Standard
13 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 um x 50 cm
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+) 8.3 6.3 5 8.2 5.9 7.1 11.7 8.6 8.7 15 15 15
y7 (1+) 9.1 5.7 5.7 8 6 5.6 12.1 8.3 8 15 15 15
y8 (1+) 4.8 3.2 5.7 5.2 3.8 6.4 7.1 5 8.6 15 15 15
sum 5.8 3.4 5.3 5.6 3.7 6 8.1 5 8 15 15 15


Additional Resources and Comments