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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
GGT7 GGTL3, GGTL5
Sequence Length (AA) Molecular Weight (Da)
662 70467
Protein Name
Gamma-glutamyltransferase 7
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MAAENEASQE SALGAYSPVD YMSITSFPRL PEDEPAPAAP LRGRKDEDAF
60 70 80 90 100
LGDPDTDPDS FLKSARLQRL PSSSSEMGSQ DGSPLRETRK DPFSAAAAEC
110 120 130 140 150
SCRQDGLTVI VTACLTFATG VTVALVMQIY FGDPQIFQQG AVVTDAARCT
160 170 180 190 200
SLGIEVLSKQ GSSVDAAVAA ALCLGIVAPH SSGLGGGGVM LVHDIRRNES
210 220 230 240 250
HLIDFRESAP GALREETLQR SWETKPGLLV GVPGMVKGLH EAHQLYGRLP
260 270 280 290 300
WSQVLAFAAA VAQDGFNVTH DLARALAEQL PPNMSERFRE TFLPSGRPPL
310 320 330 340 350
PGSLLHRPDL AEVLDVLGTS GPAAFYAGGN LTLEMVAEAQ HAGGVITEED
360 370 380 390 400
FSNYSALVEK PVCGVYRGHL VLSPPPPHTG PALISALNIL EGFNLTSLVS
410 420 430 440 450
REQALHWVAE TLKIALALAS RLGDPVYDST ITESMDDMLS KVEAAYLRGH
460 470 480 490 500
INDSQAAPAP LLPVYELDGA PTAAQVLIMG PDDFIVAMVS SLNQPFGSGL
510 520 530 540 550
ITPSGILLNS QMLDFSWPNR TANHSAPSLE NSVQPGKRPL SFLLPTVVRP
560 570 580 590 600
AEGLCGTYLA LGANGAARGL SGLTQVLLNV LTLNRNLSDS LARGRLHPDL
610 620 630 640 650
QSNLLQVDSE FTEEEIEFLE ARGHHVEKVD VLSWVHGSRR TNNFIIAVKD
660 662
PRSPDAAGAT IL

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-1493 Collapse assay details

Data source: Panorama

Official Gene Symbol
GGT7
Peptide Modified Sequence
TAN[+1.0]HSAPSLENSVQPGK
Modification Type
Deamidated (N)
Protein - Site of Modification
523
Peptide - Site of Modification
3
Peptide Start
521
Peptide End
537
CPTAC ID
CPTAC-1493
Peptide Molecular Mass
1,736.8329
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
Human ovarian tumor tissue digest
Submitting Laboratory
Johns Hopkins University
Submitting Lab PI
Daniel Chan, Hui Zhang, Zhen Zhang

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
TSQ Vantage
Internal Standard
Stable isotope-labeled peptides
Peptide Standard Purity
Crude (~60%)
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Accela 1250 Quaternary Low Pump
Column Packing
C18, 3 µm, 300 Å
Column Dimensions
1.0 mm I.D. x 15 cm
Flow Rate
50 µL/min

Assay Multiplexing Expand assay panel

Johns Hopkins University-E


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+) 8 7.3 7.8 9.5 8.2 8.8 12.4 11 11.8 15 15 15
y3 (1+) 4.2 3.4 2.8 8.7 6.2 2.9 9.7 7.1 4 15 15 15
b6 (1+) 9.5 8.2 9.3 10.6 8.3 8.2 14.2 11.7 12.4 15 15 15
sum 3.1 2.9 2.8 7.3 5 2.5 7.9 5.8 3.8 15 15 15


Additional Resources and Comments