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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
MDH2 N/A
Sequence Length (AA) Molecular Weight (Da)
338 35503
Protein Name
Malate dehydrogenase, mitochondrial
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MLSALARPAS AALRRSFSTS AQNNAKVAVL GASGGIGQPL SLLLKNSPLV
60 70 80 90 100
SRLTLYDIAH TPGVAADLSH IETKAAVKGY LGPEQLPDCL KGCDVVVIPA
110 120 130 140 150
GVPRKPGMTR DDLFNTNATI VATLTAACAQ HCPEAMICVI ANPVNSTIPI
160 170 180 190 200
TAEVFKKHGV YNPNKIFGVT TLDIVRANTF VAELKGLDPA RVNVPVIGGH
210 220 230 240 250
AGKTIIPLIS QCTPKVDFPQ DQLTALTGRI QEAGTEVVKA KAGAGSATLS
260 270 280 290 300
MAYAGARFVF SLVDAMNGKE GVVECSFVKS QETECTYFST PLLLGKKGIE
310 320 330 338
KNLGIGKVSS FEEKMISDAI PELKASIKKG EDFVKTLK

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-542 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH2
Peptide Modified Sequence
GYLGPEQLPDC[+57.0]LK
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
89
Peptide - Site of Modification
11
Peptide Start
79
Peptide End
91
CPTAC ID
CPTAC-542
Peptide Molecular Mass
1,488.7283
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 and 15N at C-terminus K
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
y10 (1+) 28.7 9 13.9 39.4 9.3 18.1 48.7 12.9 22.8 15 25 15
y9 (1+) 34.4 8.6 13.6 48.7 9.1 18.6 59.6 12.5 23 15 25 15
y7 (1+) 25.9 13.2 14.3 45.4 16.3 19.4 52.3 21 24.1 15 25 15
sum 25.2 8.7 13.5 40.8 9.8 17.7 48 13.1 22.3 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-543 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH2
Peptide Sequence
IFGVTTLDIVR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
166
Peptide End
176
CPTAC ID
CPTAC-543
Peptide Molecular Mass
1,232.7129
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 and 15N at C-terminus R
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+) 6.8 6.7 4 17.3 11.9 12.4 18.6 13.7 13 15 25 15
y7 (1+) 9.2 7.5 3.5 16.8 10.6 12.1 19.2 13 12.6 15 25 15
y6 (1+) 15.2 8.2 4 24.6 10.8 12.5 28.9 13.6 13.1 15 25 15
sum 6.9 6.9 3.3 16.8 10.6 11.9 18.2 12.6 12.3 15 25 15


Additional Resources and Comments


Assay Details for non-CPTAC-3841 Collapse assay details

Data source: Panorama

Official Gene Symbol
Mdh2
Peptide Sequence
NSPLVSR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
46
Peptide End
52
CPTAC ID
non-CPTAC-3841
Peptide Molecular Mass
771.4239
Species
Mus musculus (Mouse)
Assay Type
Direct MRM
Matrix
Plasma
Submitting Laboratory
UVic-Genome BC Proteomics Centre
Submitting Lab PI
Christoph Borchers

Publication

View Details (opens in a new window)

Molecular phenotyping of laboratory mouse strains using 500 multiple reaction monitoring mass spectrometry plasma assays. Michaud SA, Sinclair NJ, Petrošová H, Palmer AL, Pistawka AJ, Zhang S, Hardie DB, Mohammed Y Eshghi A1, Richard VR, Sickmann A, Borchers CH. Commun Biol. 2018 Jun 27;1:78. doi: 10.1038/s42003-018-0087-6. eCollection 2018.


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Agilent 6490/6495 QQQ
Internal Standard
synthetic peptide
Peptide Standard Purity
>80%
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
1290 LC (Agilent)
Column Packing
Zorbax Eclipse Plus C18, 1.8 µm
Column Dimensions
2.1 x 150 mm
Flow Rate
400 µL/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
y5 (1+) 8 4.6 10.2 13.8 8.8 11.4 16 9.9 15.3 15 15 15
y4 (1+) 13.1 11.2 9.6 26.1 31.3 23.4 29.2 33.2 25.3 15 15 15
y3 (1+) 15.7 7.4 8.4 28.2 10.5 12.5 32.3 12.8 15.1 15 15 15
y5 (2+) 8.5 6.1 7.9 11.8 9.4 11 14.5 11.2 13.5 15 15 15
b2 (1+) 11.6 9 9 11.6 12.8 9.1 16.4 15.6 12.8 15 15 15
sum 5.5 3.4 5.2 25.5 10.1 8 26.1 10.7 9.5 15 15 15


Additional Resources and Comments


Assay Details for non-CPTAC-3726 Collapse assay details

Data source: Panorama

Official Gene Symbol
Mdh2
Peptide Sequence
VDFPQDQLATLTGR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
216
Peptide End
229
CPTAC ID
non-CPTAC-3726
Peptide Molecular Mass
1,559.7944
Species
Mus musculus (Mouse)
Assay Type
Direct MRM
Matrix
Plasma
Submitting Laboratory
UVic-Genome BC Proteomics Centre
Submitting Lab PI
Christoph Borchers

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Agilent 6490/6495 QQQ
Internal Standard
synthetic peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
1290 LC (Agilent)
Column Packing
Zorbax Eclipse Plus C18, 1.8 µm
Column Dimensions
2.1 x 150 mm
Flow Rate
400 µL/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
y12 (2+) 7.9 2.3 1.6 8.9 4.1 2.9 11.9 4.7 3.3 15 15 15
y8 (1+) 30 3.9 2.4 34.4 7.4 4.7 45.6 8.4 5.3 15 15 15
y9 (1+) 16.1 2.6 1.3 15.2 4.4 3.8 22.1 5.1 4 15 15 15
b2 (1+) 22.4 4.8 1.7 21.2 5.1 4 30.8 7 4.3 15 15 15
y11 (2+) 6.4 1.8 0.7 10.3 3.2 2.7 12.1 3.7 2.8 15 15 15
sum 6.1 1.5 0.6 8.7 3.3 2.8 10.6 3.6 2.9 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2753 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH2
Peptide Modified Sequence
GYLGPEQLPDC[+57.0]LK
Modification Type
Carbamidomethyl (C)
Protein - Site of Modification
N/A
Peptide - Site of Modification
11
Peptide Start
79
Peptide End
91
CPTAC ID
CPTAC-2753
Peptide Molecular Mass
1,488.7283
Species
Homo Sapiens
Assay Type
Direct MRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher Q-Exactive
Internal Standard
13 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 um x 50 cm
Flow Rate
300 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+) 28.8 5.8 8.9 31.4 8.6 9.2 42.6 10.4 12.8 15 15 15
y5 (1+) 6.8 3.8 6.5 7.1 3.7 6.8 9.8 5.3 9.4 15 15 15
y4 (1+) 47.8 18 14.2 53.8 21.4 13.7 72 28 19.7 15 15 15
sum 6.4 3.3 6.9 6.3 3.8 6.9 9 5 9.8 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2754 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH2
Peptide Sequence
IQEAGTEVVK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
230
Peptide End
239
CPTAC ID
CPTAC-2754
Peptide Molecular Mass
1,072.5764
Species
Homo Sapiens
Assay Type
Direct MRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher Q-Exactive
Internal Standard
13 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 um x 50 cm
Flow Rate
300 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
y7 (1+) 7.3 3.4 5.1 7.8 4.6 3.8 10.7 5.7 6.4 15 15 15
y6 (1+) 7.2 3.7 4.8 7.9 4 4.6 10.7 5.4 6.6 15 15 15
y3 (1+) 8 6.6 6.2 4.4 7.8 5.6 9.1 10.2 8.4 15 15 15
sum 5.8 2.9 4.4 5.4 4.2 3.8 7.9 5.1 5.8 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2755 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH2
Peptide Sequence
MISDAIPELK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
315
Peptide End
324
CPTAC ID
CPTAC-2755
Peptide Molecular Mass
1,115.5896
Species
Homo Sapiens
Assay Type
Direct MRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher Q-Exactive
Internal Standard
13 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 um x 50 cm
Flow Rate
300 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+) 8.8 5.7 5.1 6.7 6.3 6.4 11.1 8.5 8.2 14 15 15
y5 (1+) 16 11.5 10.2 20 9.7 10.2 25.6 15 14.4 14 15 15
y4 (1+) 5.7 5.6 5 4.9 5.7 5.4 7.5 8 7.4 14 15 15
sum 6.2 5.4 4.7 4.5 5.5 5.4 7.7 7.7 7.2 14 15 15


Additional Resources and Comments