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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
LDHA N/A
Sequence Length (AA) Molecular Weight (Da)
332 36689
Protein Name
L-lactate dehydrogenase A chain
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MATLKDQLIY NLLKEEQTPQ NKITVVGVGA VGMACAISIL MKDLADELAL
60 70 80 90 100
VDVIEDKLKG EMMDLQHGSL FLRTPKIVSG KDYNVTANSK LVIITAGARQ
110 120 130 140 150
QEGESRLNLV QRNVNIFKFI IPNVVKYSPN CKLLIVSNPV DILTYVAWKI
160 170 180 190 200
SGFPKNRVIG SGCNLDSARF RYLMGERLGV HPLSCHGWVL GEHGDSSVPV
210 220 230 240 250
WSGMNVAGVS LKTLHPDLGT DKDKEQWKEV HKQVVESAYE VIKLKGYTSW
260 270 280 290 300
AIGLSVADLA ESIMKNLRRV HPVSTMIKGL YGIKDDVFLS VPCILGQNGI
310 320 330 332
SDLVKVTLTS EEEARLKKSA DTLWGIQKEL QF

Data source: UniProt


Position of Targeted Peptide Analytes Relative to SNPs, Isoforms, and PTMs

Uniprot Database Entry PhosphoSitePlus ®

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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-91 Collapse assay details

Data source: Panorama

Official Gene Symbol
LDHA
Peptide Sequence
DQLIYNLLK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
6
Peptide End
14
CPTAC ID
CPTAC-91
Peptide Molecular Mass
1,118.6336
Species
Homo sapiens (Human)
Assay Type
Direct PRM
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 and 15N 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

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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+) 14.6 8.4 5.7 36.1 21.3 11 38.9 22.9 12.4 15 25 15
y6 (1+) 13.6 7.4 4.9 33.5 19.8 11 36.2 21.1 12 15 25 15
y5 (1+) 18.2 7.8 5.3 34.6 20.4 10.6 39.1 21.8 11.9 15 25 15
sum 14.6 7.7 5.1 33.8 20.3 10.6 36.8 21.7 11.8 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-2749 Collapse assay details

Data source: Panorama

Official Gene Symbol
LDHA
Peptide Sequence
LVIITAGAR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
91
Peptide End
99
CPTAC ID
CPTAC-2749
Peptide Molecular Mass
912.5757
Species
Homo Sapiens
Assay Type
Direct PRM
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 R
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
y6 (1+) 9.3 5.4 8.5 9.8 5.3 9.6 13.5 7.6 12.8 15 15 15
y5 (1+) 10 3.1 8.8 14 5.4 10.3 17.2 6.2 13.5 15 15 15
y3 (1+) 13.1 7.1 11.6 15.6 7.6 12.4 20.4 10.4 17 15 15 15
sum 9.4 3.7 8.7 11.5 5 10 14.9 6.2 13.3 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2750 Collapse assay details

Data source: Panorama

Official Gene Symbol
LDHA
Peptide Sequence
VTLTSEEEAR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
306
Peptide End
315
CPTAC ID
CPTAC-2750
Peptide Molecular Mass
1,133.5564
Species
Homo Sapiens
Assay Type
Direct PRM
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 R
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+) 5.1 3.2 6 5.1 3.6 7.1 7.2 4.8 9.3 15 15 15
y4 (1+) 6.4 7.6 6.1 7.9 7.2 7 10.2 10.5 9.3 15 15 15
y3 (1+) 13.8 6.5 10 16 8.6 10.8 21.1 10.8 14.7 15 15 15
sum 5.4 3.6 5.6 5.7 3.8 6.8 7.9 5.2 8.8 15 15 15


Additional Resources and Comments