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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
ESYT1 FAM62A, KIAA0747, MBC2
Sequence Length (AA) Molecular Weight (Da)
1104 122856
Protein Name
Extended synaptotagmin-1
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MERSPGEGPS PSPMDQPSAP SDPTDQPPAA HAKPDPGSGG QPAGPGAAGE
60 70 80 90 100
ALAVLTSFGR RLLVLIPVYL AGAVGLSVGF VLFGLALYLG WRRVRDEKER
110 120 130 140 150
SLRAARQLLD DEEQLTAKTL YMSHRELPAW VSFPDVEKAE WLNKIVAQVW
160 170 180 190 200
PFLGQYMEKL LAETVAPAVR GSNPHLQTFT FTRVELGEKP LRIIGVKVHP
210 220 230 240 250
GQRKEQILLD LNISYVGDVQ IDVEVKKYFC KAGVKGMQLH GVLRVILEPL
260 270 280 290 300
IGDLPFVGAV SMFFIRRPTL DINWTGMTNL LDIPGLSSLS DTMIMDSIAA
310 320 330 340 350
FLVLPNRLLV PLVPDLQDVA QLRSPLPRGI IRIHLLAARG LSSKDKYVKG
360 370 380 390 400
LIEGKSDPYA LVRLGTQTFC SRVIDEELNP QWGETYEVMV HEVPGQEIEV
410 420 430 440 450
EVFDKDPDKD DFLGRMKLDV GKVLQASVLD DWFPLQGGQG QVHLRLEWLS
460 470 480 490 500
LLSDAEKLEQ VLQWNWGVSS RPDPPSAAIL VVYLDRAQDL PLKKGNKEPN
510 520 530 540 550
PMVQLSIQDV TQESKAVYST NCPVWEEAFR FFLQDPQSQE LDVQVKDDSR
560 570 580 590 600
ALTLGALTLP LARLLTAPEL ILDQWFQLSS SGPNSRLYMK LVMRILYLDS
610 620 630 640 650
SEICFPTVPG CPGAWDVDSE NPQRGSSVDA PPRPCHTTPD SQFGTEHVLR
660 670 680 690 700
IHVLEAQDLI AKDRFLGGLV KGKSDPYVKL KLAGRSFRSH VVREDLNPRW
710 720 730 740 750
NEVFEVIVTS VPGQELEVEV FDKDLDKDDF LGRCKVRLTT VLNSGFLDEW
760 770 780 790 800
LTLEDVPSGR LHLRLERLTP RPTAAELEEV LQVNSLIQTQ KSAELAAALL
810 820 830 840 850
SIYMERAEDL PLRKGTKHLS PYATLTVGDS SHKTKTISQT SAPVWDESAS
860 870 880 890 900
FLIRKPHTES LELQVRGEGT GVLGSLSLPL SELLVADQLC LDRWFTLSSG
910 920 930 940 950
QGQVLLRAQL GILVSQHSGV EAHSHSYSHS SSSLSEEPEL SGGPPHITSS
960 970 980 990 1000
APELRQRLTH VDSPLEAPAG PLGQVKLTLW YYSEERKLVS IVHGCRSLRQ
1010 1020 1030 1040 1050
NGRDPPDPYV SLLLLPDKNR GTKRRTSQKK RTLSPEFNER FEWELPLDEA
1060 1070 1080 1090 1100
QRRKLDVSVK SNSSFMSRER ELLGKVQLDL AETDLSQGVA RWYDLMDNKD
1104
KGSS

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-198 Collapse assay details

Data source: Panorama

Official Gene Symbol
ESYT1
Peptide Modified Sequence
AVYSTNC[+57.0]PVWEEAFR
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
522
Peptide - Site of Modification
7
Peptide Start
516
Peptide End
530
CPTAC ID
CPTAC-198
Peptide Molecular Mass
1,827.8250
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+) 17.4 11.3 10.5 24.9 11.2 11.1 30.4 15.9 15.3 15 25 15
y8 (1+) 7.5 7.8 8.2 12.5 9.3 9 14.6 12.1 12.2 15 25 15
y6 (1+) 16.2 11 12.2 16.2 10.7 12.8 22.9 15.3 17.7 15 25 15
sum 5.2 7.3 8.7 9.9 8.2 9.2 11.2 11 12.7 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-199 Collapse assay details

Data source: Panorama

Official Gene Symbol
ESYT1
Peptide Sequence
LTHVDSPLEAPAGPLGQVK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
958
Peptide End
976
CPTAC ID
CPTAC-199
Peptide Molecular Mass
1,928.0367
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+) 12.7 11.1 7.7 22.6 14.5 13.4 25.9 18.3 15.5 15 25 15
y8 (1+) 50.1 21.1 21.9 49.1 22.5 20.7 70.1 30.8 30.1 15 25 15
y7 (1+) 24.8 11.3 14 25.1 15.1 14.7 35.3 18.9 20.3 15 25 15
sum 15.1 9.3 7.5 19.5 12.3 9.1 24.7 15.4 11.8 15 25 15


Additional Resources and Comments