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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
MDH1 MDHA
Sequence Length (AA) Molecular Weight (Da)
334 36426
Protein Name
Malate dehydrogenase, cytoplasmic
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSEPIRVLVT GAAGQIAYSL LYSIGNGSVF GKDQPIILVL LDITPMMGVL
60 70 80 90 100
DGVLMELQDC ALPLLKDVIA TDKEDVAFKD LDVAILVGSM PRREGMERKD
110 120 130 140 150
LLKANVKIFK SQGAALDKYA KKSVKVIVVG NPANTNCLTA SKSAPSIPKE
160 170 180 190 200
NFSCLTRLDH NRAKAQIALK LGVTANDVKN VIIWGNHSST QYPDVNHAKV
210 220 230 240 250
KLQGKEVGVY EALKDDSWLK GEFVTTVQQR GAAVIKARKL SSAMSAAKAI
260 270 280 290 300
CDHVRDIWFG TPEGEFVSMG VISDGNSYGV PDDLLYSFPV VIKNKTWKFV
310 320 330 334
EGLPINDFSR EKMDLTAKEL TEEKESAFEF LSSA

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-236 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH1
Peptide Sequence
FVEGLPINDFSR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
299
Peptide End
310
CPTAC ID
CPTAC-236
Peptide Molecular Mass
1,392.7038
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
y10 (1+) 6.5 5.9 4.4 13 7 4.9 14.5 9.2 6.6 15 25 15
y9 (1+) 10.2 7.8 4.1 13.4 9 4.7 16.8 11.9 6.2 15 25 15
y7 (1+) 4.3 5.8 4.4 11.2 7.1 4.9 12 9.2 6.6 15 25 15
sum 4.1 5.8 4.2 11.3 7.1 4.7 12 9.2 6.3 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-237 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH1
Peptide Modified Sequence
VIVVGNPANTNC[+57.0]LTASK
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
137
Peptide - Site of Modification
12
Peptide Start
126
Peptide End
142
CPTAC ID
CPTAC-237
Peptide Molecular Mass
1,756.9142
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+) 9.6 7.8 9 16.6 12.8 9.7 19.2 15 13.2 15 25 15
y9 (1+) 15.3 9 10 15.8 10.8 9 22 14.1 13.5 15 25 15
y8 (1+) 6 6.7 9.5 14.2 8 8.3 15.4 10.4 12.6 15 25 15
sum 7.4 7.3 8.9 14.2 11.5 9.1 16 13.6 12.7 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-2752 Collapse assay details

Data source: Panorama

Official Gene Symbol
MDH1
Peptide Sequence
LGVTANDVK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
171
Peptide End
179
CPTAC ID
CPTAC-2752
Peptide Molecular Mass
915.5025
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
y5 (1+) 6 3.8 6.5 4.7 3.8 7.1 7.6 5.4 9.6 15 15 15
y6 (1+) 5.4 4.6 5.1 5.4 4.6 6.8 7.6 6.5 8.5 15 15 15
y7 (1+) 11 7.4 12.5 12.5 9.1 13.3 16.7 11.7 18.3 15 15 15
sum 5.1 4.2 5.3 4.6 4 6.3 6.9 5.8 8.2 15 15 15


Additional Resources and Comments