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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
MTHFD1 MTHFC, MTHFD
Sequence Length (AA) Molecular Weight (Da)
935 101559
Protein Name
C-1-tetrahydrofolate synthase, cytoplasmic
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MAPAEILNGK EISAQIRARL KNQVTQLKEQ VPGFTPRLAI LQVGNRDDSN
60 70 80 90 100
LYINVKLKAA EEIGIKATHI KLPRTTTESE VMKYITSLNE DSTVHGFLVQ
110 120 130 140 150
LPLDSENSIN TEEVINAIAP EKDVDGLTSI NAGRLARGDL NDCFIPCTPK
160 170 180 190 200
GCLELIKETG VPIAGRHAVV VGRSKIVGAP MHDLLLWNNA TVTTCHSKTA
210 220 230 240 250
HLDEEVNKGD ILVVATGQPE MVKGEWIKPG AIVIDCGINY VPDDKKPNGR
260 270 280 290 300
KVVGDVAYDE AKERASFITP VPGGVGPMTV AMLMQSTVES AKRFLEKFKP
310 320 330 340 350
GKWMIQYNNL NLKTPVPSDI DISRSCKPKP IGKLAREIGL LSEEVELYGE
360 370 380 390 400
TKAKVLLSAL ERLKHRPDGK YVVVTGITPT PLGEGKSTTT IGLVQALGAH
410 420 430 440 450
LYQNVFACVR QPSQGPTFGI KGGAAGGGYS QVIPMEEFNL HLTGDIHAIT
460 470 480 490 500
AANNLVAAAI DARIFHELTQ TDKALFNRLV PSVNGVRRFS DIQIRRLKRL
510 520 530 540 550
GIEKTDPTTL TDEEINRFAR LDIDPETITW QRVLDTNDRF LRKITIGQAP
560 570 580 590 600
TEKGHTRTAQ FDISVASEIM AVLALTTSLE DMRERLGKMV VASSKKGEPV
610 620 630 640 650
SAEDLGVSGA LTVLMKDAIK PNLMQTLEGT PVFVHAGPFA NIAHGNSSII
660 670 680 690 700
ADRIALKLVG PEGFVVTEAG FGADIGMEKF FNIKCRYSGL CPHVVVLVAT
710 720 730 740 750
VRALKMHGGG PTVTAGLPLP KAYIQENLEL VEKGFSNLKK QIENARMFGI
760 770 780 790 800
PVVVAVNAFK TDTESELDLI SRLSREHGAF DAVKCTHWAE GGKGALALAQ
810 820 830 840 850
AVQRAAQAPS SFQLLYDLKL PVEDKIRIIA QKIYGADDIE LLPEAQHKAE
860 870 880 890 900
VYTKQGFGNL PICMAKTHLS LSHNPEQKGV PTGFILPIRD IRASVGAGFL
910 920 930 935
YPLVGTMSTM PGLPTRPCFY DIDLDPETEQ VNGLF

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-408 Collapse assay details

Data source: Panorama

Official Gene Symbol
MTHFD1
Peptide Sequence
LDIDPETITWQR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
521
Peptide End
532
CPTAC ID
CPTAC-408
Peptide Molecular Mass
1,485.7464
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+) 10.4 9.5 6.3 14.9 9 12 18.2 13.1 13.6 15 25 15
y8 (1+) 9.1 5.8 6 13.2 8.3 8.4 16 10.1 10.3 15 25 15
y8 (2+) 10.2 7.4 6.9 19.2 8.9 10.6 21.7 11.6 12.6 15 25 15
sum 7 5.4 4.4 14 7.3 8.7 15.7 9.1 9.7 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-407 Collapse assay details

Data source: Panorama

Official Gene Symbol
MTHFD1
Peptide Sequence
YVVVTGITPTPLGEGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
371
Peptide End
386
CPTAC ID
CPTAC-407
Peptide Molecular Mass
1,629.8978
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
y12 (1+) 3.5 7.3 5.3 11.6 8.8 11.7 12.1 11.4 12.8 15 25 15
y11 (1+) 6.3 5.2 6.9 9.6 8.5 12.2 11.5 10 14 15 25 15
y9 (1+) 8.1 7.3 5.6 13.3 10.9 10.3 15.6 13.1 11.7 15 25 15
sum 3.5 5 5.4 9.1 8.3 10.7 9.7 9.7 12 15 25 15


Additional Resources and Comments