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
PRKCB PKCB, PRKCB1
Sequence Length (AA) Molecular Weight (Da)
671 76869
Protein Name
Protein kinase C beta type
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MADPAAGPPP SEGEESTVRF ARKGALRQKN VHEVKNHKFT ARFFKQPTFC
60 70 80 90 100
SHCTDFIWGF GKQGFQCQVC CFVVHKRCHE FVTFSCPGAD KGPASDDPRS
110 120 130 140 150
KHKFKIHTYS SPTFCDHCGS LLYGLIHQGM KCDTCMMNVH KRCVMNVPSL
160 170 180 190 200
CGTDHTERRG RIYIQAHIDR DVLIVLVRDA KNLVPMDPNG LSDPYVKLKL
210 220 230 240 250
IPDPKSESKQ KTKTIKCSLN PEWNETFRFQ LKESDKDRRL SVEIWDWDLT
260 270 280 290 300
SRNDFMGSLS FGISELQKAS VDGWFKLLSQ EEGEYFNVPV PPEGSEANEE
310 320 330 340 350
LRQKFERAKI SQGTKVPEEK TTNTVSKFDN NGNRDRMKLT DFNFLMVLGK
360 370 380 390 400
GSFGKVMLSE RKGTDELYAV KILKKDVVIQ DDDVECTMVE KRVLALPGKP
410 420 430 440 450
PFLTQLHSCF QTMDRLYFVM EYVNGGDLMY HIQQVGRFKE PHAVFYAAEI
460 470 480 490 500
AIGLFFLQSK GIIYRDLKLD NVMLDSEGHI KIADFGMCKE NIWDGVTTKT
510 520 530 540 550
FCGTPDYIAP EIIAYQPYGK SVDWWAFGVL LYEMLAGQAP FEGEDEDELF
560 570 580 590 600
QSIMEHNVAY PKSMSKEAVA ICKGLMTKHP GKRLGCGPEG ERDIKEHAFF
610 620 630 640 650
RYIDWEKLER KEIQPPYKPK ARDKRDTSNF DKEFTRQPVE LTPTDKLFIM
660 670 671
NLDQNEFAGF SYTNPEFVIN V

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 CPTAC-1338 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRKCB
Peptide Modified Sequence
QPVELT[+80.0]PTDK
Modification Type
Phospho (ST)
Protein - Site of Modification
642
Peptide - Site of Modification
6
Peptide Start
637
Peptide End
646
CPTAC ID
CPTAC-1338
Peptide Molecular Mass
1,206.5533
Species
Homo sapiens (Human)
Assay Type
Enrichment PRM
Enrichment Method
N/A
Matrix
Digested Cell Lysate
Submitting Laboratory
Broad Institute
Submitting Lab PI
Steven A. Carr

Publication

View Details (opens in a new window)

Abelin, et al. Mol Cell Proteomics. 2016 May;15(5):1622-41. doi: 10.1074/mcp.M116.058354. Epub 2016 Feb 24. PMID:26912667


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Quantiva TSQ
Internal Standard
medium stable isotope peptide (delta 6 amu)
Peptide Standard Purity
Crude (~60%)
Peptide Standard Label Type
13C at C-terminus K
LC
Easy NanoLC1000
Column Packing
Reprosil C18, 3 um, 200A
Column Dimensions
0.075 x 100 mm
Flow Rate
300 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
y6 (1+) 48.5 29 33.5 54.7 28.5 47.3 73.1 40.7 58 15 15 15
y5 (1+) 45.7 35.9 24.9 78.2 37.6 53.9 90.6 52 59.4 15 15 15
y4 (1+) 23.2 20.4 15.4 25 21.5 16.2 34.1 29.6 22.4 15 15 15
sum 20.4 10.7 15 18.8 12.4 20.3 27.7 16.4 25.2 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-3052 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRKCB
Peptide Sequence
ENIWDGVTTK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
490
Peptide End
499
CPTAC ID
CPTAC-3052
Peptide Molecular Mass
1,161.5666
Species
Homo Sapiens
Assay Type
Direct PRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher, Q-Exactive
Internal Standard
25 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 µm x 50 cm
Flow Rate
300 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
y5 (1+) 4.2 6.5 4.5 6.9 5.1 7.5 8.1 8.3 8.7 15 15 15
y3 (1+) 9.1 4.6 5.4 5 4.4 7.9 10.4 6.4 9.6 15 15 15
y7 (1+) 3.8 5.2 4.9 3.5 4.3 7.3 5.2 6.7 8.8 15 15 15
sum 4.2 5 4.6 3.9 4 7.1 5.7 6.4 8.5 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-3051 Collapse assay details

Data source: Panorama

Official Gene Symbol
PRKCB
Peptide Sequence
GTDELYAVK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
363
Peptide End
371
CPTAC ID
CPTAC-3051
Peptide Molecular Mass
994.4971
Species
Homo Sapiens
Assay Type
Direct PRM
Matrix
Tumor Digest
Submitting Laboratory
Washington University in St. Louis
Submitting Lab PI
Reid Townsend

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
ThermoFisher, Q-Exactive
Internal Standard
25 fmol on column
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Easy-nLC 1000 Thermo Scientific
Column Packing
C18
Column Dimensions
75 µm x 50 cm
Flow Rate
300 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
y7 (1+) 7.1 5.8 3.6 7.7 5.5 4 10.5 8 5.4 15 15 15
y4 (1+) 8.5 8.9 11.8 11.2 15.7 18.2 14.1 18 21.7 15 15 15
y3 (1+) 8 7.2 6.1 9.5 10.1 7.1 12.4 12.4 9.4 15 15 15
sum 6.4 5.9 6.2 8.2 9.3 9.2 10.4 11 11.1 15 15 15


Additional Resources and Comments