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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.

DDX1

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Available Assays

Overview Data source: UniProt

Official Gene Symbol Other Aliases
DDX1 N/A
Sequence Length (AA) Molecular Weight (Da)
740 82432
Protein Name
ATP-dependent RNA helicase DDX1
Sources
UniProt
PhosphoSitePlus ®
GeneCards 		Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MAAFSEMGVM PEIAQAVEEM DWLLPTDIQA ESIPLILGGG DVLMAAETGS
60 70 80 90 100
GKTGAFSIPV IQIVYETLKD QQEGKKGKTT IKTGASVLNK WQMNPYDRGS
110 120 130 140 150
AFAIGSDGLC CQSREVKEWH GCRATKGLMK GKHYYEVSCH DQGLCRVGWS
160 170 180 190 200
TMQASLDLGT DKFGFGFGGT GKKSHNKQFD NYGEEFTMHD TIGCYLDIDK
210 220 230 240 250
GHVKFSKNGK DLGLAFEIPP HMKNQALFPA CVLKNAELKF NFGEEEFKFP
260 270 280 290 300
PKDGFVALSK APDGYIVKSQ HSGNAQVTQT KFLPNAPKAL IVEPSRELAE
310 320 330 340 350
QTLNNIKQFK KYIDNPKLRE LLIIGGVAAR DQLSVLENGV DIVVGTPGRL
360 370 380 390 400
DDLVSTGKLN LSQVRFLVLD EADGLLSQGY SDFINRMHNQ IPQVTSDGKR
410 420 430 440 450
LQVIVCSATL HSFDVKKLSE KIMHFPTWVD LKGEDSVPDT VHHVVVPVNP
460 470 480 490 500
KTDRLWERLG KSHIRTDDVH AKDNTRPGAN SPEMWSEAIK ILKGEYAVRA
510 520 530 540 550
IKEHKMDQAI IFCRTKIDCD NLEQYFIQQG GGPDKKGHQF SCVCLHGDRK
560 570 580 590 600
PHERKQNLER FKKGDVRFLI CTDVAARGID IHGVPYVINV TLPDEKQNYV
610 620 630 640 650
HRIGRVGRAE RMGLAISLVA TEKEKVWYHV CSSRGKGCYN TRLKEDGGCT
660 670 680 690 700
IWYNEMQLLS EIEEHLNCTI SQVEPDIKVP VDEFDGKVTY GQKRAAGGGS
710 720 730 740
YKGHVDILAP TVQELAALEK EAQTSFLHLG YLPNQLFRTF

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-191 Collapse assay details

Data source: Panorama

Official Gene Symbol
DDX1
Peptide Sequence
GHVDILAPTVQELAALEK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
703
Peptide End
720
CPTAC ID
CPTAC-191
Peptide Molecular Mass
1,903.0415
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

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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
y6 (1+) 9.4 5.6 9.8 20.2 7.3 12.3 22.3 9.2 15.7 25 15 15
y7 (1+) 13.9 6.2 11.5 15.9 9.1 18.1 21.1 11 21.4 25 15 15
y8 (1+) 15.9 14.2 6.2 18.5 14.5 22.6 24.4 20.3 23.4 25 15 15
sum 10 3.5 5.4 13.7 4.6 13.5 17 5.8 14.5 25 15 15

Additional Resources and Comments

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

Assay Details for CPTAC-190 Collapse assay details

Data source: Panorama

Official Gene Symbol
DDX1
Peptide Modified Sequence
GSAFAIGSDGLC[+57.0]C[+57.0]QSR
Modification Type
Carbamidomethyl Cysteine, Carbamidomethyl Cysteine
Protein - Site of Modification
110, 111
Peptide - Site of Modification
12, 13
Peptide Start
99
Peptide End
114
CPTAC ID
CPTAC-190
Peptide Molecular Mass
1,684.7297
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

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
y10 (1+) 9.5 10.3 11 13.2 11.7 7 16.3 15.6 13 15 25 15
y9 (1+) 30.3 11.2 12.4 20.1 10.8 12 36.4 15.6 17.3 15 25 15
y7 (1+) 26.3 15.8 11.7 29.6 14.9 9.7 39.6 21.7 15.2 15 25 15
sum 9.7 9.5 10.8 11.4 10.7 6.6 15 14.3 12.7 15 25 15

Additional Resources and Comments

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