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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.

DHX9

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Available Assays

Overview Data source: UniProt

Official Gene Symbol Other Aliases
DHX9 DDX9, LKP, NDH2
Sequence Length (AA) Molecular Weight (Da)
1270 140958
Protein Name
ATP-dependent RNA helicase A
Sources
UniProt
PhosphoSitePlus ®
GeneCards 		Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MGDVKNFLYA WCGKRKMTPS YEIRAVGNKN RQKFMCEVQV EGYNYTGMGN
60 70 80 90 100
STNKKDAQSN AARDFVNYLV RINEIKSEEV PAFGVASPPP LTDTPDTTAN
110 120 130 140 150
AEGDLPTTMG GPLPPHLALK AENNSEVGAS GYGVPGPTWD RGANLKDYYS
160 170 180 190 200
RKEEQEVQAT LESEEVDLNA GLHGNWTLEN AKARLNQYFQ KEKIQGEYKY
210 220 230 240 250
TQVGPDHNRS FIAEMTIYIK QLGRRIFARE HGSNKKLAAQ SCALSLVRQL
260 270 280 290 300
YHLGVVEAYS GLTKKKEGET VEPYKVNLSQ DLEHQLQNII QELNLEILPP
310 320 330 340 350
PEDPSVPVAL NIGKLAQFEP SQRQNQVGVV PWSPPQSNWN PWTSSNIDEG
360 370 380 390 400
PLAFATPEQI SMDLKNELMY QLEQDHDLQA ILQERELLPV KKFESEILEA
410 420 430 440 450
ISQNSVVIIR GATGCGKTTQ VPQFILDDFI QNDRAAECNI VVTQPRRISA
460 470 480 490 500
VSVAERVAFE RGEEPGKSCG YSVRFESILP RPHASIMFCT VGVLLRKLEA
510 520 530 540 550
GIRGISHVIV DEIHERDINT DFLLVVLRDV VQAYPEVRIV LMSATIDTSM
560 570 580 590 600
FCEYFFNCPI IEVYGRTYPV QEYFLEDCIQ MTHFVPPPKD KKKKDKDDDG
610 620 630 640 650
GEDDDANCNL ICGDEYGPET RLSMSQLNEK ETPFELIEAL LKYIETLNVP
660 670 680 690 700
GAVLVFLPGW NLIYTMQKHL EMNPHFGSHR YQILPLHSQI PREEQRKVFD
710 720 730 740 750
PVPVGVTKVI LSTNIAETSI TINDVVYVID SCKQKVKLFT AHNNMTNYAT
760 770 780 790 800
VWASKTNLEQ RKGRAGRVRP GFCFHLCSRA RFERLETHMT PEMFRTPLHE
810 820 830 840 850
IALSIKLLRL GGIGQFLAKA IEPPPLDAVI EAEHTLRELD ALDANDELTP
860 870 880 890 900
LGRILAKLPI EPRFGKMMIM GCIFYVGDAI CTIAAATCFP EPFINEGKRL
910 920 930 940 950
GYIHRNFAGN RFSDHVALLS VFQAWDDARM GGEEAEIRFC EHKRLNMATL
960 970 980 990 1000
RMTWEAKVQL KEILINSGFP EDCLLTQVFT NTGPDNNLDV VISLLAFGVY
1010 1020 1030 1040 1050
PNVCYHKEKR KILTTEGRNA LIHKSSVNCP FSSQDMKYPS PFFVFGEKIR
1060 1070 1080 1090 1100
TRAISAKGMT LVTPLQLLLF ASKKVQSDGQ IVLVDDWIKL QISHEAAACI
1110 1120 1130 1140 1150
TGLRAAMEAL VVEVTKQPAI ISQLDPVNER MLNMIRQISR PSAAGINLMI
1160 1170 1180 1190 1200
GSTRYGDGPR PPKMARYDNG SGYRRGGSSY SGGGYGGGYS SGGYGSGGYG
1210 1220 1230 1240 1250
GSANSFRAGY GAGVGGGYRG VSRGGFRGNS GGDYRGPSGG YRGSGGFQRG
1260 1270
GGRGAYGTGY FGQGRGGGGY

Data source: UniProt

Protein Map Collapse protein map

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 CPTAC-355 Collapse assay details

Data source: Panorama

Official Gene Symbol
DHX9
Peptide Sequence
ELDALDANDELTPLGR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
838
Peptide End
853
CPTAC ID
CPTAC-355
Peptide Molecular Mass
1,740.8530
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Broad Institute and FHCRC
Submitting Lab PI
Steve Carr

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 Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.

Response curves acquired at Broad Institute. 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

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Response Curves

Data source: Panorama

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Retrieving Data

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Repeatability

Data source: Panorama

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  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+) 10.3 6.3 4.8 13.1 7 11 16.7 9.4 12 15 25 15
y10 (1+) 10.8 6.3 7.3 22.3 10 10.5 24.8 11.8 12.8 15 25 15
y9 (1+) 16 8.7 10 19 10.7 11.1 24.8 13.8 14.9 15 25 15
sum 7.4 5.5 4 14.4 7.4 8.7 16.2 9.2 9.6 15 25 15

Additional Resources and Comments

Resources
Download SOPs
View Peptide in Panorama
View Protein in Panorama
Comments

Assay Details for CPTAC-356 Collapse assay details

Data source: Panorama

Official Gene Symbol
DHX9
Peptide Sequence
YPSPFFVFGEK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
1038
Peptide End
1048
CPTAC ID
CPTAC-356
Peptide Molecular Mass
1,316.6441
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Broad Institute and FHCRC
Submitting Lab PI
Steve Carr

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 Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.

Response curves acquired at Broad Institute. 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

view larger image
view larger image
view larger image

Response Curves

Data source: Panorama

view larger image
view larger image
view larger image

Retrieving Data

Loader

Repeatability

Data source: Panorama

view larger image
  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+) 17.5 6 3.4 19.4 7.9 9.2 26.1 9.9 9.8 15 25 15
y8 (1+) 19.5 5.3 2.8 22.6 8 7.6 29.8 9.6 8.1 15 25 15
y6 (1+) 30.7 6.9 3.6 34.6 10.4 6.7 46.3 12.5 7.6 15 25 15
sum 17.3 5.3 3 20.3 8 7.8 26.7 9.6 8.4 15 25 15

Additional Resources and Comments

Resources
Download SOPs
View Peptide in Panorama
View Protein in Panorama
Comments