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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
NPEPPS PSA
Sequence Length (AA) Molecular Weight (Da)
919 103276
Protein Name
Puromycin-sensitive aminopeptidase
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MWLAAAAPSL ARRLLFLGPP PPPLLLLVFS RSSRRRLHSL GLAAMPEKRP
60 70 80 90 100
FERLPADVSP INYSLCLKPD LLDFTFEGKL EAAAQVRQAT NQIVMNCADI
110 120 130 140 150
DIITASYAPE GDEEIHATGF NYQNEDEKVT LSFPSTLQTG TGTLKIDFVG
160 170 180 190 200
ELNDKMKGFY RSKYTTPSGE VRYAAVTQFE ATDARRAFPC WDEPAIKATF
210 220 230 240 250
DISLVVPKDR VALSNMNVID RKPYPDDENL VEVKFARTPV MSTYLVAFVV
260 270 280 290 300
GEYDFVETRS KDGVCVRVYT PVGKAEQGKF ALEVAAKTLP FYKDYFNVPY
310 320 330 340 350
PLPKIDLIAI ADFAAGAMEN WGLVTYRETA LLIDPKNSCS SSRQWVALVV
360 370 380 390 400
GHELAHQWFG NLVTMEWWTH LWLNEGFASW IEYLCVDHCF PEYDIWTQFV
410 420 430 440 450
SADYTRAQEL DALDNSHPIE VSVGHPSEVD EIFDAISYSK GASVIRMLHD
460 470 480 490 500
YIGDKDFKKG MNMYLTKFQQ KNAATEDLWE SLENASGKPI AAVMNTWTKQ
510 520 530 540 550
MGFPLIYVEA EQVEDDRLLR LSQKKFCAGG SYVGEDCPQW MVPITISTSE
560 570 580 590 600
DPNQAKLKIL MDKPEMNVVL KNVKPDQWVK LNLGTVGFYR TQYSSAMLES
610 620 630 640 650
LLPGIRDLSL PPVDRLGLQN DLFSLARAGI ISTVEVLKVM EAFVNEPNYT
660 670 680 690 700
VWSDLSCNLG ILSTLLSHTD FYEEIQEFVK DVFSPIGERL GWDPKPGEGH
710 720 730 740 750
LDALLRGLVL GKLGKAGHKA TLEEARRRFK DHVEGKQILS ADLRSPVYLT
760 770 780 790 800
VLKHGDGTTL DIMLKLHKQA DMQEEKNRIE RVLGATLLPD LIQKVLTFAL
810 820 830 840 850
SEEVRPQDTV SVIGGVAGGS KHGRKAAWKF IKDNWEELYN RYQGGFLISR
860 870 880 890 900
LIKLSVEGFA VDKMAGEVKA FFESHPAPSA ERTIQQCCEN ILLNAAWLKR
910 919
DAESIHQYLL QRKASPPTV

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

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Assay Details for CPTAC-415 Collapse assay details

Data source: Panorama

Official Gene Symbol
NPEPPS
Peptide Sequence
LGLQNDLFSLAR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
616
Peptide End
627
CPTAC ID
CPTAC-415
Peptide Molecular Mass
1,345.7354
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

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
y9 (1+) 12 14 8.6 24.1 20.2 22 26.9 24.6 23.6 15 25 15
y8 (1+) 8.2 6.9 3.9 23.2 11.9 7.7 24.6 13.8 8.6 15 25 15
y6 (1+) 9.7 10.7 6.1 23 15.3 15.6 25 18.7 16.8 15 25 15
sum 7 8.9 5.1 21.9 14.5 11.1 23 17 12.2 15 25 15


Additional Resources and Comments


Assay Details for CPTAC-416 Collapse assay details

Data source: Panorama

Official Gene Symbol
NPEPPS
Peptide Sequence
SPVYLTVLK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
745
Peptide End
753
CPTAC ID
CPTAC-416
Peptide Molecular Mass
1,018.6063
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

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+) 12.6 7.6 5.6 16.5 9.5 8.6 20.8 12.2 10.3 15 25 15
y6 (1+) 14 5.2 3.5 17.2 5.6 4.3 22.2 7.6 5.5 15 25 15
y5 (1+) 24.3 7.5 7.6 24.5 8.1 8.3 34.5 11 11.3 15 25 15
sum 12.2 4.2 3.1 11.8 5.1 4.5 17 6.6 5.5 15 25 15


Additional Resources and Comments