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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
MARK2 EMK1
Sequence Length (AA) Molecular Weight (Da)
788 87911
Protein Name
Serine/threonine-protein kinase MARK2
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSSARTPLPT LNERDTEQPT LGHLDSKPSS KSNMIRGRNS ATSADEQPHI
60 70 80 90 100
GNYRLLKTIG KGNFAKVKLA RHILTGKEVA VKIIDKTQLN SSSLQKLFRE
110 120 130 140 150
VRIMKVLNHP NIVKLFEVIE TEKTLYLVME YASGGEVFDY LVAHGRMKEK
160 170 180 190 200
EARAKFRQIV SAVQYCHQKF IVHRDLKAEN LLLDADMNIK IADFGFSNEF
210 220 230 240 250
TFGNKLDTFC GSPPYAAPEL FQGKKYDGPE VDVWSLGVIL YTLVSGSLPF
260 270 280 290 300
DGQNLKELRE RVLRGKYRIP FYMSTDCENL LKKFLILNPS KRGTLEQIMK
310 320 330 340 350
DRWMNVGHED DELKPYVEPL PDYKDPRRTE LMVSMGYTRE EIQDSLVGQR
360 370 380 390 400
YNEVMATYLL LGYKSSELEG DTITLKPRPS ADLTNSSAPS PSHKVQRSVS
410 420 430 440 450
ANPKQRRFSD QAAGPAIPTS NSYSKKTQSN NAENKRPEED RESGRKASST
460 470 480 490 500
AKVPASPLPG LERKKTTPTP STNSVLSTST NRSRNSPLLE RASLGQASIQ
510 520 530 540 550
NGKDSLTMPG SRASTASASA AVSAARPRQH QKSMSASVHP NKASGLPPTE
560 570 580 590 600
SNCEVPRPST APQRVPVASP SAHNISSSGG APDRTNFPRG VSSRSTFHAG
610 620 630 640 650
QLRQVRDQQN LPYGVTPASP SGHSQGRRGA SGSIFSKFTS KFVRRNLSFR
660 670 680 690 700
FARRNLNEPE SKDRVETLRP HVVGSGGNDK EKEEFREAKP RSLRFTWSMK
710 720 730 740 750
TTSSMEPNEM MREIRKVLDA NSCQSELHEK YMLLCMHGTP GHEDFVQWEM
760 770 780 788
EVCKLPRLSL NGVRFKRISG TSMAFKNIAS KIANELKL

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-3016 Collapse assay details

Data source: Panorama

Official Gene Symbol
MARK2
Peptide Sequence
ASLGQASIQNGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
492
Peptide End
503
CPTAC ID
CPTAC-3016
Peptide Molecular Mass
1,172.6150
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
25 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 µm x 50 cm
Flow Rate
300 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
y9 (1+) 5.4 6 5.5 5.2 5 5.6 7.5 7.8 7.8 15 15 15
y6 (1+) 4.1 4.7 5.6 3.1 5.7 5.8 5.1 7.4 8.1 15 15 15
y7 (1+) 5.9 4.9 5 6.3 4.9 5.2 8.6 6.9 7.2 15 15 15
sum 4.3 4.9 5.2 4.1 4.7 5.3 5.9 6.8 7.4 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-3015 Collapse assay details

Data source: Panorama

Official Gene Symbol
MARK2
Peptide Sequence
FLILNPSK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
284
Peptide End
291
CPTAC ID
CPTAC-3015
Peptide Molecular Mass
930.5539
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
25 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 µm 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+) 6.3 3.8 3.9 6.7 5.6 4.9 9.2 6.8 6.3 15 15 15
y3 (1+) 5 3.2 4 5.3 4.4 4.2 7.3 5.4 5.8 15 15 15
y5 (1+) 8.3 3.9 5.4 8.7 5 5.3 12 6.3 7.6 15 15 15
sum 5.9 3.4 4 6.2 4.8 4.5 8.6 5.9 6 15 15 15


Additional Resources and Comments