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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
ITK EMT, LYK
Sequence Length (AA) Molecular Weight (Da)
620 71831
Protein Name
Tyrosine-protein kinase ITK/TSK
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MNNFILLEEQ LIKKSQQKRR TSPSNFKVRF FVLTKASLAY FEDRHGKKRT
60 70 80 90 100
LKGSIELSRI KCVEIVKSDI SIPCHYKYPF QVVHDNYLLY VFAPDRESRQ
110 120 130 140 150
RWVLALKEET RNNNSLVPKY HPNFWMDGKW RCCSQLEKLA TGCAQYDPTK
160 170 180 190 200
NASKKPLPPT PEDNRRPLWE PEETVVIALY DYQTNDPQEL ALRRNEEYCL
210 220 230 240 250
LDSSEIHWWR VQDRNGHEGY VPSSYLVEKS PNNLETYEWY NKSISRDKAE
260 270 280 290 300
KLLLDTGKEG AFMVRDSRTA GTYTVSVFTK AVVSENNPCI KHYHIKETND
310 320 330 340 350
NPKRYYVAEK YVFDSIPLLI NYHQHNGGGL VTRLRYPVCF GRQKAPVTAG
360 370 380 390 400
LRYGKWVIDP SELTFVQEIG SGQFGLVHLG YWLNKDKVAI KTIREGAMSE
410 420 430 440 450
EDFIEEAEVM MKLSHPKLVQ LYGVCLEQAP ICLVFEFMEH GCLSDYLRTQ
460 470 480 490 500
RGLFAAETLL GMCLDVCEGM AYLEEACVIH RDLAARNCLV GENQVIKVSD
510 520 530 540 550
FGMTRFVLDD QYTSSTGTKF PVKWASPEVF SFSRYSSKSD VWSFGVLMWE
560 570 580 590 600
VFSEGKIPYE NRSNSEVVED ISTGFRLYKP RLASTHVYQI MNHCWKERPE
610 620
DRPAFSRLLR QLAEIAESGL

Data source: UniProt


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

Uniprot Database Entry PhosphoSitePlus ®

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Phosphorylation Acetylation Ubiquitylation Other

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Assay Details for CPTAC-2863 Collapse assay details

Data source: Panorama

Official Gene Symbol
ITK
Peptide Modified Sequence
LATGC[+57.0]AQYDPTK
Modification Type
Carbamidomethyl (C)
Protein - Site of Modification
144
Peptide - Site of Modification
5
Peptide Start
139
Peptide End
150
CPTAC ID
CPTAC-2863
Peptide Molecular Mass
1,323.6129
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
25 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 µm 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
y9 (1+) 3.8 3.2 3.3 5.8 3 3.2 6.9 4.4 4.6 15 15 15
y10 (1+) 4.6 2.9 3.6 5.4 3.4 4.1 7.1 4.5 5.5 15 15 15
y3 (1+) 2.3 2.6 2.6 6.4 2.5 3.3 6.8 3.6 4.2 15 15 15
sum 2.8 2.5 2.5 5.5 2.5 2.8 6.2 3.5 3.8 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2862 Collapse assay details

Data source: Panorama

Official Gene Symbol
ITK
Peptide Sequence
TAGTYTVSVFTK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
269
Peptide End
280
CPTAC ID
CPTAC-2862
Peptide Molecular Mass
1,273.6554
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
25 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 µm 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+) 8.5 4.4 3 7.6 5.6 4 11.4 7.1 5 15 15 15
y3 (1+) 5.4 4.6 5.4 6.2 5.1 9.1 8.2 6.9 10.6 15 15 15
y7 (1+) 6.8 5.6 4.3 8.9 6.1 7.9 11.2 8.3 9 15 15 15
sum 4.5 4.5 2.7 5.3 5.2 6.2 7 6.9 6.8 15 15 15


Additional Resources and Comments