Show Nav →
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
PIK3C2B N/A
Sequence Length (AA) Molecular Weight (Da)
1634 184768
Protein Name
Phosphatidylinositol 4-phosphate 3-kinase C2 domain-containing subunit beta
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSSTQGNGEH WKSLESVGIS RKELAMAEAL QMEYDALSRL RHDKEENRAK
60 70 80 90 100
QNADPSLISW DEPGVDFYSK PAGRRTDLKL LRGLSGSDPT LNYNSLSPQE
110 120 130 140 150
GPPNHSTSQG PQPGSDPWPK GSLSGDYLYI FDGSDGGVSS SPGPGDIEGS
160 170 180 190 200
CKKLSPPPLP PRASIWDTPP LPPRKGSPSS SKISQPSDIN TFSLVEQLPG
210 220 230 240 250
KLLEHRILEE EEVLGGGGQG RLLGSVDYDG INDAITRLNL KSTYDAEMLR
260 270 280 290 300
DATRGWKEGR GPLDFSKDTS GKPVARSKTM PPQVPPRTYA SRYGNRKNAT
310 320 330 340 350
PGKNRRISAA PVGSRPHTVA NGHELFEVSE ERDEEVAAFC HMLDILRSGS
360 370 380 390 400
DIQDYFLTGY VWSAVTPSPE HLGDEVNLKV TVLCDRLQEA LTFTCNCSST
410 420 430 440 450
VDLLIYQTLC YTHDDLRNVD VGDFVLKPCG LEEFLQNKHA LGSHEYIQYC
460 470 480 490 500
RKFDIDIRLQ LMEQKVVRSD LARTVNDDQS PSTLNYLVHL QERPVKQTIS
510 520 530 540 550
RQALSLLFDT YHNEVDAFLL ADGDFPLKAD RVVQSVKAIC NALAAVETPE
560 570 580 590 600
ITSALNQLPP CPSRMQPKIQ KDPSVLAVRE NREKVVEALT AAILDLVELY
610 620 630 640 650
CNTFNADFQT AVPGSRKHDL VQEACHFARS LAFTVYATHR IPIIWATSYE
660 670 680 690 700
DFYLSCSLSH GGKELCSPLQ TRRAHFSKYL FHLIVWDQQI CFPVQVNRLP
710 720 730 740 750
RETLLCATLY ALPIPPPGSS SEANKQRRVP EALGWVTTPL FNFRQVLTCG
760 770 780 790 800
RKLLGLWPAT QENPSARWSA PNFHQPDSVI LQIDFPTSAF DIKFTSPPGD
810 820 830 840 850
KFSPRYEFGS LREEDQRKLK DIMQKESLYW LTDADKKRLW EKRYYCHSEV
860 870 880 890 900
SSLPLVLASA PSWEWACLPD IYVLLKQWTH MNHQDALGLL HATFPDQEVR
910 920 930 940 950
RMAVQWIGSL SDAELLDYLP QLVQALKYEC YLDSPLVRFL LKRAVSDLRV
960 970 980 990 1000
THYFFWLLKD GLKDSQFSIR YQYLLAALLC CCGKGLREEF NRQCWLVNAL
1010 1020 1030 1040 1050
AKLAQQVREA APSARQGILR TGLEEVKQFF ALNGSCRLPL SPSLLVKGIV
1060 1070 1080 1090 1100
PRDCSYFNSN AVPLKLSFQN VDPLGENIRV IFKCGDDLRQ DMLTLQMIRI
1110 1120 1130 1140 1150
MSKIWVQEGL DMRMVIFRCF STGRGRGMVE MIPNAETLRK IQVEHGVTGS
1160 1170 1180 1190 1200
FKDRPLADWL QKHNPGEDEY EKAVENFIYS CAGCCVATYV LGICDRHNDN
1210 1220 1230 1240 1250
IMLKTTGHMF HIDFGRFLGH AQMFGNIKRD RAPFVFTSDM AYVINGGDKP
1260 1270 1280 1290 1300
SSRFHDFVDL CCQAYNLIRK HTHLFLNLLG LMLSCGIPEL SDLEDLKYVY
1310 1320 1330 1340 1350
DALRPQDTEA NATTYFTRLI ESSLGSVATK LNFFIHNLAQ MKFTGSDDRL
1360 1370 1380 1390 1400
TLSFASRTHT LKSSGRISDV FLCRHEKIFH PNKGYIYVVK VMRENTHEAT
1410 1420 1430 1440 1450
YIQRTFEEFQ ELHNKLRLLF PSSHLPSFPS RFVIGRSRGE AVAERRREEL
1460 1470 1480 1490 1500
NGYIWHLIHA PPEVAECDLV YTFFHPLPRD EKAMGTSPAP KSSDGTWARP
1510 1520 1530 1540 1550
VGKVGGEVKL SISYKNNKLF IMVMHIRGLQ LLQDGNDPDP YVKIYLLPDP
1560 1570 1580 1590 1600
QKTTKRKTKV ARKTCNPTYN EMLVYDGIPK GDLQQRELQL SVLSEQGFWE
1610 1620 1630 1634
NVLLGEVNIR LRELDLAQEK TGWFALGSRS HGTL

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

loading

Loader

Assay Details for non-CPTAC-5672 Collapse assay details

Data source: Panorama

Official Gene Symbol
PIK3C2B
Peptide Modified Sequence
ISDVFLC[+57.021464]R
Modification Type
Carbamidomethyl (C)
Protein - Site of Modification
N/A
Peptide - Site of Modification
3
Peptide Start
1367
Peptide End
1374
CPTAC ID
non-CPTAC-5672
Peptide Molecular Mass
1,008.5063
Species
Homo sapiens (Human)
Assay Type
Direct PRM
Matrix
SUM159 tryptic digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Q-Exactive
Internal Standard
25fmol
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
EASY-nLC 1000
Column Packing
C18
Column Dimensions
75 µm x 50 cm
Flow Rate
300nL/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
y6 (1+) 2 5.6 6.2 1.8 5.8 10.2 2.7 8.1 11.9 15 15 15
y5 (1+) 2.8 3.7 6.2 3.3 4.1 7.5 4.3 5.5 9.7 15 15 15
y4 (1+) 3 5.3 5.6 5.2 5.7 8.8 6 7.8 10.4 15 15 15
sum 2.3 4.3 2.8 2.7 4.5 7.5 3.5 6.2 8 15 15 15


Additional Resources and Comments


Assay Details for non-CPTAC-5673 Collapse assay details

Data source: Panorama

Official Gene Symbol
PIK3C2B
Peptide Sequence
LIESSLGSVATK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
3
Peptide Start
1319
Peptide End
1330
CPTAC ID
non-CPTAC-5673
Peptide Molecular Mass
1,203.6711
Species
Homo sapiens (Human)
Assay Type
Direct PRM
Matrix
SUM159 tryptic digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Q-Exactive
Internal Standard
25fmol
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
EASY-nLC 1000
Column Packing
C18
Column Dimensions
75 µm x 50 cm
Flow Rate
300nL/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
y6 (1+) 2.3 2.1 4.6 2.8 2.3 5.6 3.6 3.1 7.2 15 15 15
y3 (1+) 2.5 2.5 2.8 2.7 3.3 6.1 3.7 4.1 6.7 15 15 15
y9 (1+) 2.8 2.3 3.4 3.6 3 5.4 4.6 3.8 6.4 15 15 15
sum 2.1 1.5 2.9 2.3 1.7 3.7 3.1 2.3 4.7 15 15 15


Additional Resources and Comments