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Overview Data source: UniProt

Official Gene Symbol Other Aliases
APEX1 APE,APE1,APEX,APX,HAP1,REF1
Sequence Length (AA) Molecular Weight (Da)
318 35555
Protein Name
DNA-(apurinic or apyrimidinic site) lyase
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MPKRGKKGAV AEDGDELRTE PEAKKSKTAA KKNDKEAAGE GPALYEDPPD
60 70 80 90 100
QKTSPSGKPA TLKICSWNVD GLRAWIKKKG LDWVKEEAPD ILCLQETKCS
110 120 130 140 150
ENKLPAELQE LPGLSHQYWS APSDKEGYSG VGLLSRQCPL KVSYGIGDEE
160 170 180 190 200
HDQEGRVIVA EFDSFVLVTA YVPNAGRGLV RLEYRQRWDE AFRKFLKGLA
210 220 230 240 250
SRKPLVLCGD LNVAHEEIDL RNPKGNKKNA GFTPQERQGF GELLQAVPLA
260 270 280 290 300
DSFRHLYPNT PYAYTFWTYM MNARSKNVGW RLDYFLLSHS LLPALCDSKI
310 318
RSKALGSDHC PITLYLAL

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
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Phosphorylation Acetylation Ubiquitylation Other

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Assay Details for CPTAC-23 Collapse assay details

Data source: Panorama

Official Gene Symbol
APEX1
Peptide Sequence
EGYSGVGLLSR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
126
Peptide End
136
CPTAC ID
CPTAC-23
Peptide Molecular Mass
1,136.5826
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

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


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
y8 (1+) 31.4 6.6 8.7 27.5 16.5 14.7 41.7 17.8 17.1 15 25 15
y7 (1+) 18.9 6.9 9.6 30.3 16.8 11.7 35.7 18.2 15.1 15 25 15
y6 (1+) 30 14.2 10.3 35.8 20.4 19.2 46.7 24.9 21.8 15 25 15
sum 19.1 5.2 7.1 26.3 15.5 11.5 32.5 16.3 13.5 15 25 15

Additional Resources and Comments


Assay Details for CPTAC-24 Collapse assay details

Data source: Panorama

Official Gene Symbol
APEX1
Peptide Sequence
VSYGIGDEEHDQEGR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
142
Peptide End
156
CPTAC ID
CPTAC-24
Peptide Molecular Mass
1,689.7231
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
cell line lysate pool
Submitting Laboratory
Fred Hutchinson Cancer Research Center
Submitting Lab PI
Amanda Paulovich

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


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

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
y13 (2+) 10.8 7.8 2.2 17 11.3 3.9 20.1 13.7 4.5 15 25 15
y12 (2+) 10 15.2 6.3 23.4 19 6.4 25.4 24.3 9 15 25 15
y10 (2+) 14.3 7.1 4.9 11.6 8.3 8.2 18.4 10.9 9.6 15 25 15
sum 9 9.4 3.2 23.1 10.5 3.4 24.8 14.1 4.7 15 25 15

Additional Resources and Comments