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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
PMPCB MPPB
Sequence Length (AA) Molecular Weight (Da)
489 54366
Protein Name
Mitochondrial-processing peptidase subunit beta
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MAAAAARVVL SSAARRRLWG FSESLLIRGA AGRSLYFGEN RLRSTQAATQ
60 70 80 90 100
VVLNVPETRV TCLESGLRVA SEDSGLSTCT VGLWIDAGSR YENEKNNGTA
110 120 130 140 150
HFLEHMAFKG TKKRSQLDLE LEIENMGAHL NAYTSREQTV YYAKAFSKDL
160 170 180 190 200
PRAVEILADI IQNSTLGEAE IERERGVILR EMQEVETNLQ EVVFDYLHAT
210 220 230 240 250
AYQNTALGRT ILGPTENIKS ISRKDLVDYI TTHYKGPRIV LAAAGGVSHD
260 270 280 290 300
ELLDLAKFHF GDSLCTHKGE IPALPPCKFT GSEIRVRDDK MPLAHLAIAV
310 320 330 340 350
EAVGWAHPDT ICLMVANTLI GNWDRSFGGG MNLSSKLAQL TCHGNLCHSF
360 370 380 390 400
QSFNTSYTDT GLWGLYMVCE SSTVADMLHV VQKEWMRLCT SVTESEVARA
410 420 430 440 450
RNLLKTNMLL QLDGSTPICE DIGRQMLCYN RRIPIPELEA RIDAVNAETI
460 470 480 489
REVCTKYIYN RSPAIAAVGP IKQLPDFKQI RSNMCWLRD

Data source: UniProt


Position of Targeted Peptide Analytes Relative to SNPs, Isoforms, and PTMs

Uniprot Database Entry PhosphoSitePlus ®

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Phosphorylation Acetylation Ubiquitylation Other

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Assay Details for CPTAC-427 Collapse assay details

Data source: Panorama

Official Gene Symbol
PMPCB
Peptide Modified Sequence
LC[+57.0]TSVTESEVAR
Modification Type
Carbamidomethyl Cysteine
Protein - Site of Modification
389
Peptide - Site of Modification
2
Peptide Start
388
Peptide End
399
CPTAC ID
CPTAC-427
Peptide Molecular Mass
1,350.6449
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Broad Institute and FHCRC
Submitting Lab PI
Steve Carr

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


Response curves acquired at Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


Response curves acquired at Broad Institute. Repeatability data acquired at Fred Hutchinson Cancer Research Center.


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

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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
y10 (1+) 22.4 11.5 14.9 37.5 11.5 21.7 43.7 16.3 26.3 15 25 15
y9 (1+) 30.8 13.6 19 47.8 13.9 27.2 56.9 19.4 33.2 15 25 15
y8 (1+) 32.4 14.7 21.7 45.6 11.9 22 55.9 18.9 30.9 15 25 15
sum 25.4 9.6 13.8 41.1 9.7 20.8 48.3 13.6 25 15 25 15


Additional Resources and Comments