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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
ACTN4 N/A
Sequence Length (AA) Molecular Weight (Da)
911 104854
Protein Name
Alpha-actinin-4
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MVDYHAANQS YQYGPSSAGN GAGGGGSMGD YMAQEDDWDR DLLLDPAWEK
60 70 80 90 100
QQRKTFTAWC NSHLRKAGTQ IENIDEDFRD GLKLMLLLEV ISGERLPKPE
110 120 130 140 150
RGKMRVHKIN NVNKALDFIA SKGVKLVSIG AEEIVDGNAK MTLGMIWTII
160 170 180 190 200
LRFAIQDISV EETSAKEGLL LWCQRKTAPY KNVNVQNFHI SWKDGLAFNA
210 220 230 240 250
LIHRHRPELI EYDKLRKDDP VTNLNNAFEV AEKYLDIPKM LDAEDIVNTA
260 270 280 290 300
RPDEKAIMTY VSSFYHAFSG AQKAETAANR ICKVLAVNQE NEHLMEDYEK
310 320 330 340 350
LASDLLEWIR RTIPWLEDRV PQKTIQEMQQ KLEDFRDYRR VHKPPKVQEK
360 370 380 390 400
CQLEINFNTL QTKLRLSNRP AFMPSEGKMV SDINNGWQHL EQAEKGYEEW
410 420 430 440 450
LLNEIRRLER LDHLAEKFRQ KASIHEAWTD GKEAMLKHRD YETATLSDIK
460 470 480 490 500
ALIRKHEAFE SDLAAHQDRV EQIAAIAQEL NELDYYDSHN VNTRCQKICD
510 520 530 540 550
QWDALGSLTH SRREALEKTE KQLEAIDQLH LEYAKRAAPF NNWMESAMED
560 570 580 590 600
LQDMFIVHTI EEIEGLISAH DQFKSTLPDA DREREAILAI HKEAQRIAES
610 620 630 640 650
NHIKLSGSNP YTTVTPQIIN SKWEKVQQLV PKRDHALLEE QSKQQSNEHL
660 670 680 690 700
RRQFASQANV VGPWIQTKME EIGRISIEMN GTLEDQLSHL KQYERSIVDY
710 720 730 740 750
KPNLDLLEQQ HQLIQEALIF DNKHTNYTME HIRVGWEQLL TTIARTINEV
760 770 780 790 800
ENQILTRDAK GISQEQMQEF RASFNHFDKD HGGALGPEEF KACLISLGYD
810 820 830 840 850
VENDRQGEAE FNRIMSLVDP NHSGLVTFQA FIDFMSRETT DTDTADQVIA
860 870 880 890 900
SFKVLAGDKN FITAEELRRE LPPDQAEYCI ARMAPYQGPD AVPGALDYKS
910 911
FSTALYGESD L

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

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Assay Details for CPTAC-8 Collapse assay details

Data source: Panorama

Official Gene Symbol
ACTN4
Peptide Sequence
ETTDTDTADQVIASFK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
838
Peptide End
853
CPTAC ID
CPTAC-8
Peptide Molecular Mass
1,740.8054
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+) 7.8 4.2 4.1 7.9 7.2 17.4 11.1 8.3 17.9 25 15 15
y9 (1+) 10.9 5.5 5.5 12.3 6.4 12.2 16.4 8.4 13.4 25 15 15
y8 (1+) 9.7 3.9 6.7 10.1 5.7 8.5 14 6.9 10.8 25 15 15
sum 7.7 4 5.1 8.9 5.7 12.5 11.8 7 13.5 25 15 15


Additional Resources and Comments


Assay Details for CPTAC-7 Collapse assay details

Data source: Panorama

Official Gene Symbol
ACTN4
Peptide Sequence
NVNVQNFHISWK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
182
Peptide End
193
CPTAC ID
CPTAC-7
Peptide Molecular Mass
1,484.7524
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
y9 (1+) 18.2 15 11.4 18.5 14.7 14.2 26 21 18.2 25 15 15
y8 (1+) 24.3 8.7 10.4 34 14.3 13.6 41.8 16.7 17.1 25 15 15
y7 (1+) 35.3 12 12.3 79.5 18.6 19.7 87 22.1 23.2 25 15 15
sum 26.8 9.4 10.3 50.2 13.6 12.2 56.9 16.5 16 25 15 15


Additional Resources and Comments