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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
IARS2 N/A
Sequence Length (AA) Molecular Weight (Da)
1012 113792
Protein Name
Isoleucine--tRNA ligase, mitochondrial
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MRWGLRPRGP GAAALATARS LWGTPRLPCS PGWQGATKRL LVRSVSGASN
60 70 80 90 100
HQPNSNSGRY RDTVLLPQTS FPMKLLGRQQ PDTELEIQQK CGFSELYSWQ
110 120 130 140 150
RERKVKTEFC LHDGPPYANG DPHVGHALNK ILKDIANRFH MMNGSKIHFV
160 170 180 190 200
PGWDCHGLPI EIKVLSELGR EAQNLSAMEI RKKARSFAKA AIEKQKSAFI
210 220 230 240 250
RWGIMADWNN CYYTFDGKYE AKQLRTFYQM YDKGLVYRSY KPVFWSPSSR
260 270 280 290 300
TALAEAELEY NPEHVSRSIY VKFPLLKPSP KLASLIDGSS PVSILVWTTQ
310 320 330 340 350
PWTIPANEAV CYMPESKYAV VKCSKSGDLY VLAADKVASV ASTLETTFET
360 370 380 390 400
ISTLSGVDLE NGTCSHPLIP DKASPLLPAN HVTMAKGTGL VHTAPAHGME
410 420 430 440 450
DYGVASQHNL PMDCLVDEDG VFTDVAGPEL QNKAVLEEGT DVVIKMLQTA
460 470 480 490 500
KNLLKEEKLV HSYPYDWRTK KPVVIRASKQ WFINITDIKT AAKELLKKVK
510 520 530 540 550
FIPGSALNGM VEMMDRRPYW CISRQRVWGV PIPVFHHKTK DEYLINSQTT
560 570 580 590 600
EHIVKLVEQH GSDIWWTLPP EQLLPKEVLS EVGGPDALEY VPGQDILDIW
610 620 630 640 650
FDSGTSWSYV LPGPDQRADL YLEGKDQLGG WFQSSLLTSV AARKRAPYKT
660 670 680 690 700
VIVHGFTLGE KGEKMSKSLG NVIHPDVVVN GGQDQSKEPP YGADVLRWWV
710 720 730 740 750
ADSNVFTEVA IGPSVLNAAR DDISKLRNTL RFLLGNVADF NPETDSIPVN
760 770 780 790 800
DMYVIDQYML HLLQDLANKI TELYKQYDFG KVVRLLRTFY TRELSNFYFS
810 820 830 840 850
IIKDRLYCEK ENDPKRRSCQ TALVEILDVI VRSFAPILPH LAEEVFQHIP
860 870 880 890 900
YIKEPKSVFR TGWISTSSIW KKPGLEEAVE SACAMRDSFL GSIPGKNAAE
910 920 930 940 950
YKVITVIEPG LLFEIIEMLQ SEETSSTSQL NELMMASEST LLAQEPREMT
960 970 980 990 1000
ADVIELKGKF LINLEGGDIR EESSYKVIVM PTTKEKCPRC WKYTAESSDT
1010 1012
LCPRCAEVVS GK

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-393 Collapse assay details

Data source: Panorama

Official Gene Symbol
IARS2
Peptide Sequence
ELSNFYFSIIK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
793
Peptide End
803
CPTAC ID
CPTAC-393
Peptide Molecular Mass
1,359.7075
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


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+) 13 17.1 9.6 31.3 27 15.1 33.9 32 17.9 15 25 15
y7 (1+) 15.6 22.1 9.3 28.7 27.4 23.1 32.7 35.2 24.9 15 25 15
y6 (1+) 13.8 11.1 10 35.2 26.7 13.6 37.8 28.9 16.9 15 25 15
sum 12.6 12.5 6.2 31.5 25.4 13.7 33.9 28.3 15 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-394 Collapse assay details

Data source: Panorama

Official Gene Symbol
IARS2
Peptide Sequence
FLINLEGGDIR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
960
Peptide End
970
CPTAC ID
CPTAC-394
Peptide Molecular Mass
1,245.6717
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


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+) 13.8 13.6 6.4 20.3 17.7 9 24.5 22.3 11 15 25 15
y8 (1+) 11.9 5.5 6 23.3 13.5 10.8 26.2 14.6 12.4 15 25 15
y6 (1+) 19.8 10 8.7 33.4 16.4 15.9 38.8 19.2 18.1 15 25 15
sum 10 7.8 5.5 23.9 14.3 10.9 25.9 16.3 12.2 15 25 15


Additional Resources and Comments