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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
SOS2 N/A
Sequence Length (AA) Molecular Weight (Da)
1332 152979
Protein Name
Son of sevenless homolog 2
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MQQAPQPYEF FSEENSPKWR GLLVSALRKV QEQVHPTLSA NEESLYYIEE
60 70 80 90 100
LIFQLLNKLC MAQPRTVQDV EERVQKTFPH PIDKWAIADA QSAIEKRKRR
110 120 130 140 150
NPLLLPVDKI HPSLKEVLGY KVDYHVSLYI VAVLEYISAD ILKLAGNYVF
160 170 180 190 200
NIRHYEISQQ DIKVSMCADK VLMDMFDQDD IGLVSLCEDE PSSSGELNYY
210 220 230 240 250
DLVRTEIAEE RQYLRELNMI IKVFREAFLS DRKLFKPSDI EKIFSNISDI
260 270 280 290 300
HELTVKLLGL IEDTVEMTDE SSPHPLAGSC FEDLAEEQAF DPYETLSQDI
310 320 330 340 350
LSPEFHEHFN KLMARPAVAL HFQSIADGFK EAVRYVLPRL MLVPVYHCWH
360 370 380 390 400
YFELLKQLKA CSEEQEDREC LNQAITALMN LQGSMDRIYK QYSPRRRPGD
410 420 430 440 450
PVCPFYSHQL RSKHLAIKKM NEIQKNIDGW EGKDIGQCCN EFIMEGPLTR
460 470 480 490 500
IGAKHERHIF LFDGLMISCK PNHGQTRLPG YSSAEYRLKE KFVMRKIQIC
510 520 530 540 550
DKEDTCEHKH AFELVSKDEN SIIFAAKSAE EKNNWMAALI SLHYRSTLDR
560 570 580 590 600
MLDSVLLKEE NEQPLRLPSP EVYRFVVKDS EENIVFEDNL QSRSGIPIIK
610 620 630 640 650
GGTVVKLIER LTYHMYADPN FVRTFLTTYR SFCKPQELLS LLIERFEIPE
660 670 680 690 700
PEPTDADKLA IEKGEQPISA DLKRFRKEYV QPVQLRILNV FRHWVEHHFY
710 720 730 740 750
DFERDLELLE RLESFISSVR GKAMKKWVES IAKIIRRKKQ AQANGVSHNI
760 770 780 790 800
TFESPPPPIE WHISKPGQFE TFDLMTLHPI EIARQLTLLE SDLYRKVQPS
810 820 830 840 850
ELVGSVWTKE DKEINSPNLL KMIRHTTNLT LWFEKCIVEA ENFEERVAVL
860 870 880 890 900
SRIIEILQVF QDLNNFNGVL EIVSAVNSVS VYRLDHTFEA LQERKRKILD
910 920 930 940 950
EAVELSQDHF KKYLVKLKSI NPPCVPFFGI YLTNILKTEE GNNDFLKKKG
960 970 980 990 1000
KDLINFSKRR KVAEITGEIQ QYQNQPYCLR IEPDMRRFFE NLNPMGSASE
1010 1020 1030 1040 1050
KEFTDYLFNK SLEIEPRNCK QPPRFPRKST FSLKSPGIRP NTGRHGSTSG
1060 1070 1080 1090 1100
TLRGHPTPLE REPCKISFSR IAETELESTV SAPTSPNTPS TPPVSASSDL
1110 1120 1130 1140 1150
SVFLDVDLNS SCGSNSIFAP VLLPHSKSFF SSCGSLHKLS EEPLIPPPLP
1160 1170 1180 1190 1200
PRKKFDHDAS NSKGNMKSDD DPPAIPPRQP PPPKVKPRVP VPTGAFDGPL
1210 1220 1230 1240 1250
HSPPPPPPRD PLPDTPPPVP LRPPEHFINC PFNLQPPPLG HLHRDSDWLR
1260 1270 1280 1290 1300
DISTCPNSPS TPPSTPSPRV PRRCYVLSSS QNNLAHPPAP PVPPRQNSSP
1310 1320 1330 1332
HLPKLPPKTY KRELSHPPLY RLPLLENAET PQ

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-1553 Collapse assay details

Data source: Panorama

Official Gene Symbol
SOS2
Peptide Sequence
LPGYSSAEYR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
478
Peptide End
487
CPTAC ID
CPTAC-1553
Peptide Molecular Mass
1,141.5404
Species
Homo sapiens (Human)
Assay Type
Direct MRM or SRM
Matrix
Ovarian cancer tumor tissue lysate
Submitting Laboratory
Pacific Northwest National Laboratory
Submitting Lab PI
Tao Liu

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
TSQ Vantage
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
Waters nanoACQUITY (Part Number 176016000)
Column Packing
Waters BEH C18, 1.7 um 130 Å (Part Number 186007485)
Column Dimensions
100 um x 100 mm
Flow Rate
0.5 uL/min

Assay Multiplexing Expand assay panel

Pacific Northwest National Laboratory-DirectSRM2


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
y8 (1+) 16.5 4.6 1.7 18.9 5.4 8.9 25.1 7.1 9.1 15 15 15
y7 (1+) 31.2 7.3 4.5 33 8.1 7.8 45.4 10.9 9 15 15 15
y9 (2+) 8.6 3.4 3.5 14.6 4.9 7.7 16.9 6 8.5 15 15 15
sum 8.7 3.2 2.8 12.7 4.6 7.9 15.4 5.6 8.4 15 15 15


Additional Resources and Comments