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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
CAPN2 CANPL2
Sequence Length (AA) Molecular Weight (Da)
700 79995
Protein Name
Calpain-2 catalytic subunit
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MAGIAAKLAK DREAAEGLGS HDRAIKYLNQ DYEALRNECL EAGTLFQDPS
60 70 80 90 100
FPAIPSALGF KELGPYSSKT RGIEWKRPTE ICADPQFIIG GATRTDICQG
110 120 130 140 150
ALGDCWLLAA IASLTLNEEI LARVVPLNQS FQENYAGIFH FQFWQYGEWV
160 170 180 190 200
EVVVDDRLPT KDGELLFVHS AEGSEFWSAL LEKAYAKING CYEALSGGAT
210 220 230 240 250
TEGFEDFTGG IAEWYELKKP PPNLFKIIQK ALQKGSLLGC SIDITSAADS
260 270 280 290 300
EAITFQKLVK GHAYSVTGAE EVESNGSLQK LIRIRNPWGE VEWTGRWNDN
310 320 330 340 350
CPSWNTIDPE ERERLTRRHE DGEFWMSFSD FLRHYSRLEI CNLTPDTLTS
360 370 380 390 400
DTYKKWKLTK MDGNWRRGST AGGCRNYPNT FWMNPQYLIK LEEEDEDEED
410 420 430 440 450
GESGCTFLVG LIQKHRRRQR KMGEDMHTIG FGIYEVPEEL SGQTNIHLSK
460 470 480 490 500
NFFLTNRARE RSDTFINLRE VLNRFKLPPG EYILVPSTFE PNKDGDFCIR
510 520 530 540 550
VFSEKKADYQ AVDDEIEANL EEFDISEDDI DDGFRRLFAQ LAGEDAEISA
560 570 580 590 600
FELQTILRRV LAKRQDIKSD GFSIETCKIM VDMLDSDGSG KLGLKEFYIL
610 620 630 640 650
WTKIQKYQKI YREIDVDRSG TMNSYEMRKA LEEAGFKMPC QLHQVIVARF
660 670 680 690 700
ADDQLIIDFD NFVRCLVRLE TLFKIFKQLD PENTGTIELD LISWLCFSVL

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-468 Collapse assay details

Data source: Panorama

Official Gene Symbol
CAPN2
Peptide Sequence
NPWGEVEWTGR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
286
Peptide End
296
CPTAC ID
CPTAC-468
Peptide Molecular Mass
1,329.6102
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Seoul National University / Korea Institute of Science and Technology and FHCRC
Submitting Lab PI
Youngsoo Kim

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


Response curves acquired at Seoul National University / Korea Institute of Science and Technology. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Seoul National University / Korea Institute of Science and Technology. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


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
y8 (1+) 20.3 8.2 4.2 37.8 8 10.5 42.9 11.5 11.3 15 25 15
y7 (1+) 47.4 9.9 14.2 49.1 12.2 14.3 68.2 15.7 20.2 15 25 15
y6 (1+) 40.2 7.4 7.7 126.9 10 8 133.1 12.4 11.1 15 25 15
sum 16.5 7 4.6 77.3 7.7 7.5 79 10.4 8.8 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-469 Collapse assay details

Data source: Panorama

Official Gene Symbol
CAPN2
Peptide Sequence
SDTFINLR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
462
Peptide End
469
CPTAC ID
CPTAC-469
Peptide Molecular Mass
964.4978
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Seoul National University / Korea Institute of Science and Technology and FHCRC
Submitting Lab PI
Youngsoo Kim

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


Response curves acquired at Seoul National University / Korea Institute of Science and Technology. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Seoul National University / Korea Institute of Science and Technology. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


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
y6 (1+) 13.1 17.2 10.8 32.3 35.7 30.4 34.9 39.6 32.3 15 25 15
y5 (1+) 5.7 7.6 3.7 9 12 7.3 10.7 14.2 8.2 15 25 15
y4 (1+) 4.6 4.9 2.8 5.8 7.6 9 7.4 9 9.4 15 25 15
sum 4.7 7.1 3.4 10.2 12.5 9.5 11.2 14.4 10.1 15 25 15


Additional Resources and Comments