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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
METTL7A N/A
Sequence Length (AA) Molecular Weight (Da)
244 28319
Protein Name
Methyltransferase-like protein 7A
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MELTIFILRL AIYILTFPLY LLNFLGLWSW ICKKWFPYFL VRFTVIYNEQ
60 70 80 90 100
MASKKRELFS NLQEFAGPSG KLSLLEVGCG TGANFKFYPP GCRVTCIDPN
110 120 130 140 150
PNFEKFLIKS IAENRHLQFE RFVVAAGENM HQVADGSVDV VVCTLVLCSV
160 170 180 190 200
KNQERILREV CRVLRPGGAF YFMEHVAAEC STWNYFWQQV LDPAWHLLFD
210 220 230 240 244
GCNLTRESWK ALERASFSKL KLQHIQAPLS WELVRPHIYG YAVK

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-238 Collapse assay details

Data source: Panorama

Official Gene Symbol
METTL7A
Peptide Sequence
ELFSNLQEFAGPSGK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
57
Peptide End
71
CPTAC ID
CPTAC-238
Peptide Molecular Mass
1,622.7940
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

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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
y12 (1+) 13.5 10.9 10.5 16.6 12.2 12.2 21.4 16.4 16.1 15 25 15
y11 (1+) 12.1 13 9.8 13.4 12.8 12.3 18.1 18.2 15.7 15 25 15
y9 (1+) 12.6 11.4 15.5 17.6 12.1 16.1 21.6 16.6 22.3 15 25 15
sum 10.6 6.7 10 14.1 7.8 10.2 17.6 10.3 14.3 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-239 Collapse assay details

Data source: Panorama

Official Gene Symbol
METTL7A
Peptide Modified Sequence
VTC[+57.0]IDPNPNFEK
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
96
Peptide - Site of Modification
3
Peptide Start
94
Peptide End
105
CPTAC ID
CPTAC-239
Peptide Molecular Mass
1,432.6657
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
y9 (1+) 15.5 17.3 19.6 23.2 18.9 23.9 27.9 25.6 30.9 15 25 15
y8 (1+) 10.2 12.3 15.9 13.2 14.2 16.5 16.7 18.8 22.9 15 25 15
y7 (1+) 10.6 6.7 12.1 13.2 10.9 11.3 16.9 12.8 16.6 15 25 15
sum 8.4 8.3 12.8 13 11 13.5 15.5 13.8 18.6 15 25 15


Additional Resources and Comments