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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
Pf4 Cxcl4, Scyb4
Sequence Length (AA) Molecular Weight (Da)
105 11243
Protein Name
Platelet factor 4
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSVAAVFRGL RPSPELLLLG LLFLPAVVAV TSAGPEESDG DLSCVCVKTI
60 70 80 90 100
SSGIHLKHIT SLEVIKAGRH CAVPQLIATL KNGRKICLDR QAPLYKKVIK
105
KILES

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 non-CPTAC-5615 Collapse assay details

Data source: Panorama

Official Gene Symbol
Pf4
Peptide Sequence
TISSGIHLK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
49
Peptide End
57
CPTAC ID
non-CPTAC-5615
Peptide Molecular Mass
954.5498
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 K
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
y7 (2+) 7.1 3.6 4.6 8.4 6.3 5.4 11 7.3 7.1 15 15 15
y3 (1+) 10.2 8.6 3.7 10.6 11.3 6.6 14.7 14.2 7.6 15 15 15
y5 (1+) 8.2 5.6 6.8 8.6 8.1 6.1 11.9 9.8 9.1 15 15 15
b2 (1+) 6.5 5.3 7.7 7.9 8.7 8.6 10.2 10.2 11.5 15 15 15
y6 (2+) 15.2 8.2 8.7 20.3 13.7 9.6 25.4 16 13 15 15 15
sum 4.8 2.4 2.8 6.3 6.3 4.2 7.9 6.7 5 15 15 15


Additional Resources and Comments