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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
KPNA2 RCH1, SRP1
Sequence Length (AA) Molecular Weight (Da)
529 57862
Protein Name
Importin subunit alpha-1
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSTNENANTP AARLHRFKNK GKDSTEMRRR RIEVNVELRK AKKDDQMLKR
60 70 80 90 100
RNVSSFPDDA TSPLQENRNN QGTVNWSVDD IVKGINSSNV ENQLQATQAA
110 120 130 140 150
RKLLSREKQP PIDNIIRAGL IPKFVSFLGR TDCSPIQFES AWALTNIASG
160 170 180 190 200
TSEQTKAVVD GGAIPAFISL LASPHAHISE QAVWALGNIA GDGSVFRDLV
210 220 230 240 250
IKYGAVDPLL ALLAVPDMSS LACGYLRNLT WTLSNLCRNK NPAPPIDAVE
260 270 280 290 300
QILPTLVRLL HHDDPEVLAD TCWAISYLTD GPNERIGMVV KTGVVPQLVK
310 320 330 340 350
LLGASELPIV TPALRAIGNI VTGTDEQTQV VIDAGALAVF PSLLTNPKTN
360 370 380 390 400
IQKEATWTMS NITAGRQDQI QQVVNHGLVP FLVSVLSKAD FKTQKEAVWA
410 420 430 440 450
VTNYTSGGTV EQIVYLVHCG IIEPLMNLLT AKDTKIILVI LDAISNIFQA
460 470 480 490 500
AEKLGETEKL SIMIEECGGL DKIEALQNHE NESVYKASLS LIEKYFSVEE
510 520 529
EEDQNVVPET TSEGYTFQVQ DGAPGTFNF

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-233 Collapse assay details

Data source: Panorama

Official Gene Symbol
KPNA2
Peptide Sequence
GINSSNVENQLQATQAAR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
84
Peptide End
101
CPTAC ID
CPTAC-233
Peptide Molecular Mass
1,899.9399
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Demonstrating the feasibility of large-scale development of standardized assays to quantify human proteins. Kennedy JJ, Abbatiello SE, Kim K, Yan P, Whiteaker JR, Lin C, Kim JS, Zhang Y, Wang X, Ivey RG, Zhao L, Min H, Lee Y, Yu MH, Yang EG, Lee C, Wang P, Rodriguez H, Kim Y, Carr SA, Paulovich AG. Nat Methods. 2014 Feb;11(2):149-55. doi: 10.1038/nmeth.2763. Epub 2013 Dec 8. PMID: 24317253


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
5500 QTRAP (ABSCIEX)
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C,15N
LC
nanoLC-Ultra 2D, cHiPLC-nanoflex (Eksigent)
Column Packing
ChromXP C18-CL, 3 um, 120A
Column Dimensions
150 x 0.075 mm
Flow Rate
500 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
y11 (1+) 9.7 7.1 6 17.3 14.9 9 19.8 16.5 10.8 15 25 15
y10 (1+) 8.9 8.4 8.8 10.6 16.7 8.1 13.8 18.7 12 15 25 15
y9 (1+) 12.1 11.5 15.9 13.8 13.1 13.5 18.4 17.4 20.9 15 25 15
sum 8 5.4 5.4 12.3 14 6.9 14.7 15 8.8 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-232 Collapse assay details

Data source: Panorama

Official Gene Symbol
KPNA2
Peptide Sequence
NNQGTVNWSVDDIVK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
69
Peptide End
83
CPTAC ID
CPTAC-232
Peptide Molecular Mass
1,687.8166
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

Publication

View Details (opens in a new window)

Demonstrating the feasibility of large-scale development of standardized assays to quantify human proteins. Kennedy JJ, Abbatiello SE, Kim K, Yan P, Whiteaker JR, Lin C, Kim JS, Zhang Y, Wang X, Ivey RG, Zhao L, Min H, Lee Y, Yu MH, Yang EG, Lee C, Wang P, Rodriguez H, Kim Y, Carr SA, Paulovich AG. Nat Methods. 2014 Feb;11(2):149-55. doi: 10.1038/nmeth.2763. Epub 2013 Dec 8. PMID: 24317253


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
5500 QTRAP (ABSCIEX)
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C,15N
LC
nanoLC-Ultra 2D, cHiPLC-nanoflex (Eksigent)
Column Packing
ChromXP C18-CL, 3 um, 120A
Column Dimensions
150 x 0.075 mm
Flow Rate
500 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
y10 (1+) 19.8 11.6 7.5 20.3 13.4 8.6 28.4 17.7 11.4 15 25 15
y9 (1+) 15.9 8.1 6.3 23.9 11.1 8.1 28.7 13.7 10.3 15 25 15
y8 (1+) 26.5 15.6 12 23 16.5 12.2 35.1 22.7 17.1 15 25 15
sum 10.8 9.6 5.7 14 10.6 7.2 17.7 14.3 9.2 15 25 15


Additional Resources and Comments