Show Nav →
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
HNRNPK HNRPK
Sequence Length (AA) Molecular Weight (Da)
463 50976
Protein Name
Heterogeneous nuclear ribonucleoprotein K
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
METEQPEETF PNTETNGEFG KRPAEDMEEE QAFKRSRNTD EMVELRILLQ
60 70 80 90 100
SKNAGAVIGK GGKNIKALRT DYNASVSVPD SSGPERILSI SADIETIGEI
110 120 130 140 150
LKKIIPTLEE GLQLPSPTAT SQLPLESDAV ECLNYQHYKG SDFDCELRLL
160 170 180 190 200
IHQSLAGGII GVKGAKIKEL RENTQTTIKL FQECCPHSTD RVVLIGGKPD
210 220 230 240 250
RVVECIKIIL DLISESPIKG RAQPYDPNFY DETYDYGGFT MMFDDRRGRP
260 270 280 290 300
VGFPMRGRGG FDRMPPGRGG RPMPPSRRDY DDMSPRRGPP PPPPGRGGRG
310 320 330 340 350
GSRARNLPLP PPPPPRGGDL MAYDRRGRPG DRYDGMVGFS ADETWDSAID
360 370 380 390 400
TWSPSEWQMA YEPQGGSGYD YSYAGGRGSY GDLGGPIITT QVTIPKDLAG
410 420 430 440 450
SIIGKGGQRI KQIRHESGAS IKIDEPLEGS EDRIITITGT QDQIQNAQYL
460 463
LQNSVKQYSG KFF

Data source: UniProt


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

Uniprot Database Entry PhosphoSitePlus ®

Click a point on a node
to view detailed assay information below
All other points link out to UniProt



Phosphorylation Acetylation Ubiquitylation Other

loading

Loader

Assay Details for CPTAC-1028 Collapse assay details

Data source: Panorama

Official Gene Symbol
HNRNPK
Peptide Modified Sequence
GS[+80.0]YGDLGGPIITTQVTIPK
Modification Type
Phospho (ST)
Protein - Site of Modification
379
Peptide - Site of Modification
2
Peptide Start
378
Peptide End
396
CPTAC ID
CPTAC-1028
Peptide Molecular Mass
1,995.9918
Species
Homo sapiens (Human)
Assay Type
Enrichment MRM
Enrichment Method
IMAC
Matrix
cell lysate
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Kennedy JJ, Yan P, Zhao L, Ivey RG, Voytovich U, Moore HD, Lin C, Pogosova-Agadjanyan EL, Stirewalt DL, Reding KW, Whiteaker JR, Paulovich AG. Immobilized metal affinity chromatography coupled to multiple reaction monitoring enables reproducible quantification of phospho-signaling. Molecular and Cellular Proteomics. mcp.O115.054940


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
QTrap 5500 (Sciex)
Internal Standard
synthetic peptide
Peptide Standard Purity
Crude
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
nanoLC-2D (Eksigent)
Column Packing
ChromXP C18-CL, 3 µm, 120 Å
Column Dimensions
75 µm x 15cm
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
b11-98 (1+) 26.9 32 12.7 55.2 44.6 16.7 61.4 54.9 21 15 24 15
b10-98 (1+) 48.9 31.3 23.1 65.3 34.8 31.2 81.6 46.8 38.8 15 24 15
y8 (1+) 34.8 23 10.3 41.2 35.1 16.4 53.9 42 19.4 15 24 15
y11 (1+) 30.6 29.2 7 42.9 33.9 9.1 52.7 44.7 11.5 15 24 15
sum 14.2 18.6 6 35.8 28.2 13.1 38.5 33.8 14.4 15 24 15


Additional Resources and Comments