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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
ENTPD2 CD39L1
Sequence Length (AA) Molecular Weight (Da)
495 53665
Protein Name
Ectonucleoside triphosphate diphosphohydrolase 2
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MAGKVRSLLP PLLLAAAGLA GLLLLCVPTR DVREPPALKY GIVLDAGSSH
60 70 80 90 100
TSMFIYKWPA DKENDTGIVG QHSSCDVPGG GISSYADNPS GASQSLVGCL
110 120 130 140 150
EQALQDVPKE RHAGTPLYLG ATAGMRLLNL TNPEASTSVL MAVTHTLTQY
160 170 180 190 200
PFDFRGARIL SGQEEGVFGW VTANYLLENF IKYGWVGRWF RPRKGTLGAM
210 220 230 240 250
DLGGASTQIT FETTSPAEDR ASEVQLHLYG QHYRVYTHSF LCYGRDQVLQ
260 270 280 290 300
RLLASALQTH GFHPCWPRGF STQVLLGDVY QSPCTMAQRP QNFNSSARVS
310 320 330 340 350
LSGSSDPHLC RDLVSGLFSF SSCPFSRCSF NGVFQPPVAG NFVAFSAFFY
360 370 380 390 400
TVDFLRTSMG LPVATLQQLE AAAVNVCNQT WAQLQARVPG QRARLADYCA
410 420 430 440 450
GAMFVQQLLS RGYGFDERAF GGVIFQKKAA DTAVGWALGY MLNLTNLIPA
460 470 480 490 495
DPPGLRKGTD FSSWVVLLLL FASALLAALV LLLRQVHSAK LPSTI

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-1489 Collapse assay details

Data source: Panorama

Official Gene Symbol
ENTPD2
Peptide Modified Sequence
LLN[+1.0]LTNPEASTSVLM[+16.0]AVTHTLTQYPFDFR
Modification Type
Deamidated (N), Oxidation (M)
Protein - Site of Modification
129, 141
Peptide - Site of Modification
3, 15
Peptide Start
127
Peptide End
155
CPTAC ID
CPTAC-1489
Peptide Molecular Mass
3,295.6435
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
Human ovarian tumor tissue digest
Submitting Laboratory
Johns Hopkins University
Submitting Lab PI
Daniel Chan, Hui Zhang, Zhen Zhang

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
TSQ Vantage
Internal Standard
Stable isotope-labeled peptides
Peptide Standard Purity
Crude (~60%)
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
Accela 1250 Quaternary Low Pump
Column Packing
C18, 3 µm, 300 Å
Column Dimensions
1.0 mm I.D. x 15 cm
Flow Rate
50 µL/min

Assay Multiplexing Expand assay panel

Johns Hopkins University-E


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
b6 (1+) 13.6 8 5 11.8 8.5 5.7 18 11.7 7.6 15 15 15
y5 (1+) 9.3 1.9 4.1 10.1 2.5 4.2 13.7 3.1 5.9 15 15 15
y8 (1+) 16.6 4.5 7.6 17.5 6.4 7.3 24.1 7.8 10.5 15 15 15
sum 9 2 1.9 8.3 2.2 1.8 12.2 3 2.6 15 15 15


Additional Resources and Comments