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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
Cpq Hls2, Pgcp
Sequence Length (AA) Molecular Weight (Da)
470 51813
Protein Name
Carboxypeptidase Q
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MRSLFFLFIV HLLALGSGKA VFKNGVSQRT FREIKEEIAN YEDVAKAIIN
60 70 80 90 100
LAVYGKYQNR SYERLGLLVD TVGPRLSGSK NLEKAIQIMY QNLQQDGLEN
110 120 130 140 150
VHLEQVRIPH WERGEESAVM LEPRIHKMAI LGLGSSIGTP PGGITAEVLV
160 170 180 190 200
VASFDELQRR ASEARGKIIV YNQPYTGYEK TVQYRVQGAV EAAKVGAVAS
210 220 230 240 250
LIQSVASFSI YSPHTGIQKY QDGVPKIPTA CITVEDAEMM SRMASRGNKI
260 270 280 290 300
VIHLEMGAKT YPDTDSFNTV AEITGSMYPE EVVLVSGHLD SWDVGQGALD
310 320 330 340 350
DGGGAFISWE ALSLVKDLGL RPKRTLRLVL WTAEEQGGIG ASQYYELHKA
360 370 380 390 400
NISKYSLVME ADSGTFLPTG LQFTGSDKAR AIMKEVMNLL QPLNVTKVFS
410 420 430 440 450
NGEGTDINFW IQAGVPGASL RDDLYKYFFF HHSHGDTMTV MDPKQMNVAA
460 470
AVWAVVAYVV ADMDEMLPRS

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 non-CPTAC-5580 Collapse assay details

Data source: Panorama

Official Gene Symbol
Cpq
Peptide Sequence
LGLLVDTVGPR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
65
Peptide End
75
CPTAC ID
non-CPTAC-5580
Peptide Molecular Mass
1,138.6710
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
>80%
Peptide Standard Label Type
13C and 15N at C-terminus R
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

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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
b3 (1+) 8.6 4.8 5.2 11.6 7.5 5.8 14.4 8.9 7.8 15 15 15
y5 (1+) 11.7 5.3 5.6 9.7 8.7 6.5 15.2 10.2 8.6 15 15 15
y6 (1+) 11.1 5.9 3.7 11.5 8.8 3.9 16 10.6 5.4 15 15 15
y7 (1+) 6 3.8 3.2 5.6 5.6 3.5 8.2 6.8 4.7 15 15 15
y8 (1+) 8.9 5.6 2.5 11 9.3 6 14.1 10.9 6.5 15 15 15
sum 4.6 1.4 2 5.1 6 3.2 6.9 6.2 3.8 15 15 15


Additional Resources and Comments