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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.

APMAP

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Available Assays

Overview Data source: UniProt

Official Gene Symbol Other Aliases
APMAP C20orf3
Sequence Length (AA) Molecular Weight (Da)
416 46480
Protein Name
Adipocyte plasma membrane-associated protein
Sources
UniProt
PhosphoSitePlus ®
GeneCards 		Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MSEADGLRQR RPLRPQVVTD DDGQAPEAKD GSSFSGRVFR VTFLMLAVSL
60 70 80 90 100
TVPLLGAMML LESPIDPQPL SFKEPPLLLG VLHPNTKLRQ AERLFENQLV
110 120 130 140 150
GPESIAHIGD VMFTGTADGR VVKLENGEIE TIARFGSGPC KTRDDEPVCG
160 170 180 190 200
RPLGIRAGPN GTLFVADAYK GLFEVNPWKR EVKLLLSSET PIEGKNMSFV
210 220 230 240 250
NDLTVTQDGR KIYFTDSSSK WQRRDYLLLV MEGTDDGRLL EYDTVTREVK
260 270 280 290 300
VLLDQLRFPN GVQLSPAEDF VLVAETTMAR IRRVYVSGLM KGGADLFVEN
310 320 330 340 350
MPGFPDNIRP SSSGGYWVGM STIRPNPGFS MLDFLSERPW IKRMIFKLFS
360 370 380 390 400
QETVMKFVPR YSLVLELSDS GAFRRSLHDP DGLVATYISE VHEHDGHLYL
410 416
GSFRSPFLCR LSLQAV

Data source: UniProt

Protein Map Collapse protein map

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-648 Collapse assay details

Data source: Panorama

Official Gene Symbol
APMAP
Peptide Modified Sequence
AGPN[+1.0]GTLFVADAYK
Modification Type
Deamidated (NQ)
Protein - Site of Modification
160
Peptide - Site of Modification
4
Peptide Start
157
Peptide End
170
CPTAC ID
CPTAC-648
Peptide Molecular Mass
1,423.6984
Species
Homo sapiens (Human)
Assay Type
Enrichment PRM
Enrichment Method
N-linked glycopeptide solid phase extraction
Matrix
serum
Submitting Laboratory
Johns Hopkins University
Submitting Lab PI
Daniel Chan, Hui Zhang, Zhen Zhang

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
Q-Exactive (ThermoFisher)
Internal Standard
synthetic peptide
Peptide Standard Purity
Crude
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Dionex UltiMate 3000 RSLCnano LC (ThermoFisher)
Column Packing
Acclaim PepMap100 C18, 5um (Trap); Acclaim PepMap RSLC C18, 2um (Analytical)
Column Dimensions
300um x 5mm (Trap); 75um x 25cm (Analytical)
Flow Rate
0.5 uL/min

Assay Multiplexing Expand assay panel

Johns Hopkins University-A

CPTAC-648:
APMAP.
AGPN[+1.0]GTLFVADAYK 		CPTAC-649:
AFM.
DIENFN[+1.0]STQK 		CPTAC-650:
AFM.
FN[+1.0]ETTEK
CPTAC-651:
SERPINA1.
YLGN[+1.0]ATAIFFLPDEGK 		CPTAC-652:
APOB.
FN[+1.0]SSYLQGTNQITGR 		CPTAC-653:
APOB.
YDFN[+1.0]SSM[+16.0]LYSTAK
CPTAC-654:
APOH.
VYKPSAGN[+1.0]NSLYR 		CPTAC-655:
BTD.
FN[+1.0]DTEVLQR 		CPTAC-656:
CDH13.
IN[+1.0]NTHALVSLLQNLNK
CPTAC-657:
CPB2.
QVHFFVN[+1.0]ASDVDNVK 		CPTAC-658:
CTSD.
GSLSYLN[+1.0]VTR 		CPTAC-659:
JCHAIN.
EN[+1.0]ISDPTSPLR
CPTAC-660:
CP.
EHEGAIYPDN[+1.0]TTDFQR 		CPTAC-661:
CLU.
EDALN[+1.0]ETR 		CPTAC-662:
CLU.
LAN[+1.0]LTQGEDQYYLR
CPTAC-663:
DKFZp779M0311.
QSVPAHFVALN[+1.0]GSK 		CPTAC-664:
ATRN.
IDSTGN[+1.0]VTNELR 		CPTAC-665:
C4A.
FSDGLESN[+1.0]SSTQFEVK
CPTAC-666:
C4A.
GLN[+1.0]VTLSSTGR 		CPTAC-667:
C8A.
GGSSGWSGGLAQN[+1.0]R 		CPTAC-668:
CD44.
AFN[+1.0]STLPTM[+16.0]AQM[+16.0]EK
CPTAC-669:
IGHG1.
EEQYN[+1.0]STYR 		CPTAC-670:
LGALS3BP.
ALGFEN[+1.0]ATQALGR 		CPTAC-671:
HP.
VVLHPN[+1.0]YSQVDIGLIK
CPTAC-672:
SERPINA4.
FLN[+1.0]DTM[+16.0]AVYEAK 		CPTAC-673:
IGHG4.
EEQFN[+1.0]STYR 		CPTAC-674:
IGHA2.
TPLTAN[+1.0]ITK
CPTAC-675:
IGHG2.
EEQFN[+1.0]STFR 		CPTAC-676:
ITIH2.
GAFISN[+1.0]FSM[+16.0]TVDGK 		CPTAC-677:
ICAM2.
AAPAPQEATATFN[+1.0]STADR
CPTAC-678:
LRG1.
LPPGLLAN[+1.0]FTLLR 		CPTAC-679:
LYVE1.
ANQQLN[+1.0]FTEAK 		CPTAC-680:
TIMP1.
FVGTPEVN[+1.0]QTTLYQR
CPTAC-681:
LCN2.
SYN[+1.0]VTSVLFR 		CPTAC-682:
KLKB1.
IYPGVDFGGEELN[+1.0]VTFVK 		CPTAC-683:
KLKB1.
IYSGILN[+1.0]LSDITK
CPTAC-684:
SERPING1.
DTFVN[+1.0]ASR 		CPTAC-685:
PIGR.
VPGN[+1.0]VTAVLGETLK 		CPTAC-686:
PTGDS.
SVVAPATDGGLN[+1.0]LTSTFLR
CPTAC-687:
KNG1.
LNAENN[+1.0]ATFYFK 		CPTAC-688:
LAMP2.
LN[+1.0]SSTIK 		CPTAC-689:
LAMP2.
VQPFN[+1.0]VTQGK
CPTAC-690:
VTN.
N[+1.0]GSLFAFR

Chromatograms

Data source: Panorama

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Response Curves

Data source: Panorama

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Retrieving Data

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Repeatability

Data source: Panorama

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  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+) 6.9 6.3 8.4 7.5 5.3 9 10.2 8.2 12.3 15 15 15
y8 (1+) 7.4 12.3 13.8 6.3 9.9 12.5 9.7 15.8 18.6 15 15 15
y7 (1+) 7 4.7 5.8 6.9 6.2 5.8 9.8 7.8 8.2 15 15 15
sum 6 5.6 6.1 5.4 4.3 6.1 8.1 7.1 8.6 15 15 15

Additional Resources and Comments

Resources
Download SOPs
View Peptide in Panorama
View Protein in Panorama
Comments

Assay Details for CPTAC-1280 Collapse assay details

Data source: Panorama

Official Gene Symbol
APMAP
Peptide Modified Sequence
AGPN[+1.0]GTLFVADAYK
Modification Type
Deamidated (N)
Protein - Site of Modification
160
Peptide - Site of Modification
4
Peptide Start
157
Peptide End
170
CPTAC ID
CPTAC-1280
Peptide Molecular Mass
1,423.6983
Species
Homo sapiens (Human)
Assay Type
Direct PRM
Matrix
Human serum digest
Submitting Laboratory
Johns Hopkins University
Submitting Lab PI
Daniel Chan, Hui Zhang, Zhen Zhang

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
LCMS-8040
Internal Standard
Stable isotope-labeled peptides
Peptide Standard Purity
Crude (~60%)
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Nexera X2 UHPLC
Column Packing
C18, 3 µm, 300 Å
Column Dimensions
1.0 mm I.D. x 15 cm
Flow Rate
50 µL/min

Assay Multiplexing Expand assay panel

Johns Hopkins University-A

CPTAC-648:
APMAP.
AGPN[+1.0]GTLFVADAYK 		CPTAC-649:
AFM.
DIENFN[+1.0]STQK 		CPTAC-650:
AFM.
FN[+1.0]ETTEK
CPTAC-651:
SERPINA1.
YLGN[+1.0]ATAIFFLPDEGK 		CPTAC-652:
APOB.
FN[+1.0]SSYLQGTNQITGR 		CPTAC-653:
APOB.
YDFN[+1.0]SSM[+16.0]LYSTAK
CPTAC-654:
APOH.
VYKPSAGN[+1.0]NSLYR 		CPTAC-655:
BTD.
FN[+1.0]DTEVLQR 		CPTAC-656:
CDH13.
IN[+1.0]NTHALVSLLQNLNK
CPTAC-657:
CPB2.
QVHFFVN[+1.0]ASDVDNVK 		CPTAC-658:
CTSD.
GSLSYLN[+1.0]VTR 		CPTAC-659:
JCHAIN.
EN[+1.0]ISDPTSPLR
CPTAC-660:
CP.
EHEGAIYPDN[+1.0]TTDFQR 		CPTAC-661:
CLU.
EDALN[+1.0]ETR 		CPTAC-662:
CLU.
LAN[+1.0]LTQGEDQYYLR
CPTAC-663:
DKFZp779M0311.
QSVPAHFVALN[+1.0]GSK 		CPTAC-664:
ATRN.
IDSTGN[+1.0]VTNELR 		CPTAC-665:
C4A.
FSDGLESN[+1.0]SSTQFEVK
CPTAC-666:
C4A.
GLN[+1.0]VTLSSTGR 		CPTAC-667:
C8A.
GGSSGWSGGLAQN[+1.0]R 		CPTAC-668:
CD44.
AFN[+1.0]STLPTM[+16.0]AQM[+16.0]EK
CPTAC-669:
IGHG1.
EEQYN[+1.0]STYR 		CPTAC-670:
LGALS3BP.
ALGFEN[+1.0]ATQALGR 		CPTAC-671:
HP.
VVLHPN[+1.0]YSQVDIGLIK
CPTAC-672:
SERPINA4.
FLN[+1.0]DTM[+16.0]AVYEAK 		CPTAC-673:
IGHG4.
EEQFN[+1.0]STYR 		CPTAC-674:
IGHA2.
TPLTAN[+1.0]ITK
CPTAC-675:
IGHG2.
EEQFN[+1.0]STFR 		CPTAC-676:
ITIH2.
GAFISN[+1.0]FSM[+16.0]TVDGK 		CPTAC-677:
ICAM2.
AAPAPQEATATFN[+1.0]STADR
CPTAC-678:
LRG1.
LPPGLLAN[+1.0]FTLLR 		CPTAC-679:
LYVE1.
ANQQLN[+1.0]FTEAK 		CPTAC-680:
TIMP1.
FVGTPEVN[+1.0]QTTLYQR
CPTAC-681:
LCN2.
SYN[+1.0]VTSVLFR 		CPTAC-682:
KLKB1.
IYPGVDFGGEELN[+1.0]VTFVK 		CPTAC-683:
KLKB1.
IYSGILN[+1.0]LSDITK
CPTAC-684:
SERPING1.
DTFVN[+1.0]ASR 		CPTAC-685:
PIGR.
VPGN[+1.0]VTAVLGETLK 		CPTAC-686:
PTGDS.
SVVAPATDGGLN[+1.0]LTSTFLR
CPTAC-687:
KNG1.
LNAENN[+1.0]ATFYFK 		CPTAC-688:
LAMP2.
LN[+1.0]SSTIK 		CPTAC-689:
LAMP2.
VQPFN[+1.0]VTQGK
CPTAC-690:
VTN.
N[+1.0]GSLFAFR

Chromatograms

Data source: Panorama

view larger image
view larger image
view larger image

Response Curves

Data source: Panorama

view larger image
view larger image
view larger image

Retrieving Data

Loader

Repeatability

Data source: Panorama

view larger image
  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+) 58.3 31.8 18.7 87.6 39 16 105.2 50.3 24.6 15 15 15
y6 (1+) 52.4 27.1 28.3 62.3 27 20 81.4 38.3 34.7 15 15 15
y7 (1+) 81.9 31.5 14.3 70.3 35.9 13.4 107.9 47.8 19.6 15 15 15
sum 32.8 16.1 11.4 33.1 18.5 8.5 46.6 24.5 14.2 15 15 15

Additional Resources and Comments

Resources
Download SOPs
View Peptide in Panorama
View Protein in Panorama
Comments