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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
DCXR SDR20C1
Sequence Length (AA) Molecular Weight (Da)
244 25913
Protein Name
L-xylulose reductase
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MELFLAGRRV LVTGAGKGIG RGTVQALHAT GARVVAVSRT QADLDSLVRE
60 70 80 90 100
CPGIEPVCVD LGDWEATERA LGSVGPVDLL VNNAAVALLQ PFLEVTKEAF
110 120 130 140 150
DRSFEVNLRA VIQVSQIVAR GLIARGVPGA IVNVSSQCSQ RAVTNHSVYC
160 170 180 190 200
STKGALDMLT KVMALELGPH KIRVNAVNPT VVMTSMGQAT WSDPHKAKTM
210 220 230 240 244
LNRIPLGKFA EVEHVVNAIL FLLSDRSGMT TGSTLPVEGG FWAC

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-493 Collapse assay details

Data source: Panorama

Official Gene Symbol
DCXR
Peptide Modified Sequence
GVPGAIVNVSSQC[+57.0]SQR
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
138
Peptide - Site of Modification
13
Peptide Start
126
Peptide End
141
CPTAC ID
CPTAC-493
Peptide Molecular Mass
1,657.8206
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Seoul National University / Korea Institute of Science and Technology and FHCRC
Submitting Lab PI
Youngsoo Kim

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 Seoul National University / Korea Institute of Science and Technology. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Seoul National University / Korea Institute of Science and Technology. 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

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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+) 19.6 10.1 6.8 17.3 10.6 9.8 26.1 14.6 11.9 15 25 15
y9 (1+) 20.8 8.4 10.6 24.8 10.6 12 32.4 13.5 16 15 25 15
y7 (1+) 18.8 7.9 10.5 18.3 8.6 13.2 26.2 11.7 16.9 15 25 15
sum 15.8 7 8.6 17.9 8.3 10.5 23.9 10.9 13.6 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-492 Collapse assay details

Data source: Panorama

Official Gene Symbol
DCXR
Peptide Sequence
TQADLDSLVR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
40
Peptide End
49
CPTAC ID
CPTAC-492
Peptide Molecular Mass
1,116.5775
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Seoul National University / Korea Institute of Science and Technology and FHCRC
Submitting Lab PI
Youngsoo Kim

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 Seoul National University / Korea Institute of Science and Technology. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Seoul National University / Korea Institute of Science and Technology. 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+) 10.1 6.4 6.4 12.1 7.8 7.9 15.8 10.1 10.2 15 25 15
y7 (1+) 12.1 4.5 5.5 23.8 6.6 5.8 26.7 8 8 15 25 15
y6 (1+) 12.4 10.3 4.9 15.1 11.9 10.7 19.5 15.7 11.8 15 25 15
sum 7.7 5.7 5.2 11.6 7.5 6.1 13.9 9.4 8 15 25 15


Additional Resources and Comments