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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
A1bg N/A
Sequence Length (AA) Molecular Weight (Da)
512 56554
Protein Name
Alpha-1B-glycoprotein
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSLLATVLLL WGFTLGPGNT LMLDSGSEPK LWAEPQSLLE PWANLTLVCA
60 70 80 90 100
VDLPTKVFEL IQNGWFLSQV RLETQVLSYR FSLGAITSNN SGIYRCRCGV
110 120 130 140 150
EPPVDIHLPA LNKWTMLSNA VEVTGKEPLP RPLAHADPVD WITPGGLPVY
160 170 180 190 200
VMCQVAMRGV TYLLRQEGVD GVQKPDVQHK GTAGFLIYKP GNYSCSYLTH
210 220 230 240 250
AAGEPSEPSD IVTIKMYASQ APPTLCLMGN YLMIYPQKTY ETLACKAPRN
260 270 280 290 300
AAEFQLRQGG KVLKIHGFSP TRDAILYYVN LKELDNPGPF TCRYRMHKYM
310 320 330 340 350
HVWSEDSKPV ELMWSDETLQ APVLTAEPSS RDLEPGSTVQ LRCTAPVSGL
360 370 380 390 400
RFGLQRQGKP ELVVVQMLNS SGTEAVFELH NISTIDSGNY SCIYMEQAPP
410 420 430 440 450
FSGSSSSEPV ELRVNGPPPK PRLEALWKST VHLGQEAIFR CHGHVPRVSM
460 470 480 490 500
ELVREGFKTP FAVASTRSTS AYLKLLFVGP QHAGNYSCRY TALPPFTFES
510 512
GISDPVEVIV EG

Data source: UniProt


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

Uniprot Database Entry PhosphoSitePlus ®

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to view detailed assay information below
All other points link out to UniProt



Phosphorylation Acetylation Ubiquitylation Other

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Assay Details for non-CPTAC-1064 Collapse assay details

Data source: Panorama

Official Gene Symbol
A1BG
Peptide Sequence
LETPDFQLFK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
53
Peptide End
62
CPTAC ID
non-CPTAC-1064
Peptide Molecular Mass
1,236.6390
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
plasma
Submitting Laboratory
UVic-Genome BC Proteomics Centre
Submitting Lab PI
Christoph Borchers

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
6490 Triple Quad (Agilent)
Internal Standard
synthetic peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
1290 LC (Agilent)
Column Packing
Zorbax Eclipse Plus C18, 1.8 µm
Column Dimensions
2.1 x 150 mm
Flow Rate
400 µL/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
b2 (1+) 7.1 4.2 5.4 9.8 5.6 6.3 12.1 7 8.3 15 15 15
y8 (2+) 11.1 4.4 3.5 12.2 9.3 4.4 16.5 10.3 5.6 15 15 15
y7 (1+) 6.4 5 4.1 10.8 5.5 5.3 12.6 7.4 6.7 15 15 15
sum 5.9 2.8 2.7 9.4 5.2 3.8 11.1 5.9 4.7 15 15 15


Additional Resources and Comments


Assay Details for non-CPTAC-3518 Collapse assay details

Data source: Panorama

Official Gene Symbol
A1bg
Peptide Sequence
TPFAVASTR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
459
Peptide End
467
CPTAC ID
non-CPTAC-3518
Peptide Molecular Mass
948.5029
Species
Mus musculus (Mouse)
Assay Type
Direct MRM
Matrix
Plasma
Submitting Laboratory
UVic-Genome BC Proteomics Centre
Submitting Lab PI
Christoph Borchers

Publication

View Details (opens in a new window)

Molecular phenotyping of laboratory mouse strains using 500 multiple reaction monitoring mass spectrometry plasma assays. Michaud SA, Sinclair NJ, Petrošová H, Palmer AL, Pistawka AJ, Zhang S, Hardie DB, Mohammed Y Eshghi A1, Richard VR, Sickmann A, Borchers CH. Commun Biol. 2018 Jun 27;1:78. doi: 10.1038/s42003-018-0087-6. eCollection 2018.


Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Agilent 6490/6495 QQQ
Internal Standard
synthetic peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus R
LC
1290 LC (Agilent)
Column Packing
Zorbax Eclipse Plus C18, 1.8 µm
Column Dimensions
2.1 x 150 mm
Flow Rate
400 µL/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
y8 (2+) 9.8 5.9 9.3 12.7 6.8 10.3 16 9 13.9 15 15 15
y4 (1+) 11.6 2.6 4.9 18 4.8 8.9 21.4 5.5 10.2 15 15 15
y5 (1+) 8.3 5.8 7 11.9 6.7 7 14.5 8.9 9.9 15 15 15
y6 (1+) 7.6 7.4 7.7 10.8 7.4 8.6 13.2 10.5 11.5 15 15 15
y7 (1+) 6.7 7.4 8.7 23.3 19.6 17.2 24.2 21 19.3 15 15 15
sum 3.5 2.9 4 11.5 6.5 7 12 7.1 8.1 15 15 15


Additional Resources and Comments