Show Nav →
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
LRP1 A2MR, APR
Sequence Length (AA) Molecular Weight (Da)
4544 504606
Protein Name
Prolow-density lipoprotein receptor-related protein 1
Sources
UniProt
PhosphoSitePlus ®
GeneCards
Human Protein Atlas

Protein Sequence hover to view complete sequence

10 20 30 40 50
MLTPPLLLLL PLLSALVAAA IDAPKTCSPK QFACRDQITC ISKGWRCDGE
60 70 80 90 100
RDCPDGSDEA PEICPQSKAQ RCQPNEHNCL GTELCVPMSR LCNGVQDCMD
110 120 130 140 150
GSDEGPHCRE LQGNCSRLGC QHHCVPTLDG PTCYCNSSFQ LQADGKTCKD
160 170 180 190 200
FDECSVYGTC SQLCTNTDGS FICGCVEGYL LQPDNRSCKA KNEPVDRPPV
210 220 230 240 250
LLIANSQNIL ATYLSGAQVS TITPTSTRQT TAMDFSYANE TVCWVHVGDS
260 270 280 290 300
AAQTQLKCAR MPGLKGFVDE HTINISLSLH HVEQMAIDWL TGNFYFVDDI
310 320 330 340 350
DDRIFVCNRN GDTCVTLLDL ELYNPKGIAL DPAMGKVFFT DYGQIPKVER
360 370 380 390 400
CDMDGQNRTK LVDSKIVFPH GITLDLVSRL VYWADAYLDY IEVVDYEGKG
410 420 430 440 450
RQTIIQGILI EHLYGLTVFE NYLYATNSDN ANAQQKTSVI RVNRFNSTEY
460 470 480 490 500
QVVTRVDKGG ALHIYHQRRQ PRVRSHACEN DQYGKPGGCS DICLLANSHK
510 520 530 540 550
ARTCRCRSGF SLGSDGKSCK KPEHELFLVY GKGRPGIIRG MDMGAKVPDE
560 570 580 590 600
HMIPIENLMN PRALDFHAET GFIYFADTTS YLIGRQKIDG TERETILKDG
610 620 630 640 650
IHNVEGVAVD WMGDNLYWTD DGPKKTISVA RLEKAAQTRK TLIEGKMTHP
660 670 680 690 700
RAIVVDPLNG WMYWTDWEED PKDSRRGRLE RAWMDGSHRD IFVTSKTVLW
710 720 730 740 750
PNGLSLDIPA GRLYWVDAFY DRIETILLNG TDRKIVYEGP ELNHAFGLCH
760 770 780 790 800
HGNYLFWTEY RSGSVYRLER GVGGAPPTVT LLRSERPPIF EIRMYDAQQQ
810 820 830 840 850
QVGTNKCRVN NGGCSSLCLA TPGSRQCACA EDQVLDADGV TCLANPSYVP
860 870 880 890 900
PPQCQPGEFA CANSRCIQER WKCDGDNDCL DNSDEAPALC HQHTCPSDRF
910 920 930 940 950
KCENNRCIPN RWLCDGDNDC GNSEDESNAT CSARTCPPNQ FSCASGRCIP
960 970 980 990 1000
ISWTCDLDDD CGDRSDESAS CAYPTCFPLT QFTCNNGRCI NINWRCDNDN
1010 1020 1030 1040 1050
DCGDNSDEAG CSHSCSSTQF KCNSGRCIPE HWTCDGDNDC GDYSDETHAN
1060 1070 1080 1090 1100
CTNQATRPPG GCHTDEFQCR LDGLCIPLRW RCDGDTDCMD SSDEKSCEGV
1110 1120 1130 1140 1150
THVCDPSVKF GCKDSARCIS KAWVCDGDND CEDNSDEENC ESLACRPPSH
1160 1170 1180 1190 1200
PCANNTSVCL PPDKLCDGND DCGDGSDEGE LCDQCSLNNG GCSHNCSVAP
1210 1220 1230 1240 1250
GEGIVCSCPL GMELGPDNHT CQIQSYCAKH LKCSQKCDQN KFSVKCSCYE
1260 1270 1280 1290 1300
GWVLEPDGES CRSLDPFKPF IIFSNRHEIR RIDLHKGDYS VLVPGLRNTI
1310 1320 1330 1340 1350
ALDFHLSQSA LYWTDVVEDK IYRGKLLDNG ALTSFEVVIQ YGLATPEGLA
1360 1370 1380 1390 1400
VDWIAGNIYW VESNLDQIEV AKLDGTLRTT LLAGDIEHPR AIALDPRDGI
1410 1420 1430 1440 1450
LFWTDWDASL PRIEAASMSG AGRRTVHRET GSGGWPNGLT VDYLEKRILW
1460 1470 1480 1490 1500
IDARSDAIYS ARYDGSGHME VLRGHEFLSH PFAVTLYGGE VYWTDWRTNT
1510 1520 1530 1540 1550
LAKANKWTGH NVTVVQRTNT QPFDLQVYHP SRQPMAPNPC EANGGQGPCS
1560 1570 1580 1590 1600
HLCLINYNRT VSCACPHLMK LHKDNTTCYE FKKFLLYARQ MEIRGVDLDA
1610 1620 1630 1640 1650
PYYNYIISFT VPDIDNVTVL DYDAREQRVY WSDVRTQAIK RAFINGTGVE
1660 1670 1680 1690 1700
TVVSADLPNA HGLAVDWVSR NLFWTSYDTN KKQINVARLD GSFKNAVVQG
1710 1720 1730 1740 1750
LEQPHGLVVH PLRGKLYWTD GDNISMANMD GSNRTLLFSG QKGPVGLAID
1760 1770 1780 1790 1800
FPESKLYWIS SGNHTINRCN LDGSGLEVID AMRSQLGKAT ALAIMGDKLW
1810 1820 1830 1840 1850
WADQVSEKMG TCSKADGSGS VVLRNSTTLV MHMKVYDESI QLDHKGTNPC
1860 1870 1880 1890 1900
SVNNGDCSQL CLPTSETTRS CMCTAGYSLR SGQQACEGVG SFLLYSVHEG
1910 1920 1930 1940 1950
IRGIPLDPND KSDALVPVSG TSLAVGIDFH AENDTIYWVD MGLSTISRAK
1960 1970 1980 1990 2000
RDQTWREDVV TNGIGRVEGI AVDWIAGNIY WTDQGFDVIE VARLNGSFRY
2010 2020 2030 2040 2050
VVISQGLDKP RAITVHPEKG YLFWTEWGQY PRIERSRLDG TERVVLVNVS
2060 2070 2080 2090 2100
ISWPNGISVD YQDGKLYWCD ARTDKIERID LETGENREVV LSSNNMDMFS
2110 2120 2130 2140 2150
VSVFEDFIYW SDRTHANGSI KRGSKDNATD SVPLRTGIGV QLKDIKVFNR
2160 2170 2180 2190 2200
DRQKGTNVCA VANGGCQQLC LYRGRGQRAC ACAHGMLAED GASCREYAGY
2210 2220 2230 2240 2250
LLYSERTILK SIHLSDERNL NAPVQPFEDP EHMKNVIALA FDYRAGTSPG
2260 2270 2280 2290 2300
TPNRIFFSDI HFGNIQQIND DGSRRITIVE NVGSVEGLAY HRGWDTLYWT
2310 2320 2330 2340 2350
SYTTSTITRH TVDQTRPGAF ERETVITMSG DDHPRAFVLD ECQNLMFWTN
2360 2370 2380 2390 2400
WNEQHPSIMR AALSGANVLT LIEKDIRTPN GLAIDHRAEK LYFSDATLDK
2410 2420 2430 2440 2450
IERCEYDGSH RYVILKSEPV HPFGLAVYGE HIFWTDWVRR AVQRANKHVG
2460 2470 2480 2490 2500
SNMKLLRVDI PQQPMGIIAV ANDTNSCELS PCRINNGGCQ DLCLLTHQGH
2510 2520 2530 2540 2550
VNCSCRGGRI LQDDLTCRAV NSSCRAQDEF ECANGECINF SLTCDGVPHC
2560 2570 2580 2590 2600
KDKSDEKPSY CNSRRCKKTF RQCSNGRCVS NMLWCNGADD CGDGSDEIPC
2610 2620 2630 2640 2650
NKTACGVGEF RCRDGTCIGN SSRCNQFVDC EDASDEMNCS ATDCSSYFRL
2660 2670 2680 2690 2700
GVKGVLFQPC ERTSLCYAPS WVCDGANDCG DYSDERDCPG VKRPRCPLNY
2710 2720 2730 2740 2750
FACPSGRCIP MSWTCDKEDD CEHGEDETHC NKFCSEAQFE CQNHRCISKQ
2760 2770 2780 2790 2800
WLCDGSDDCG DGSDEAAHCE GKTCGPSSFS CPGTHVCVPE RWLCDGDKDC
2810 2820 2830 2840 2850
ADGADESIAA GCLYNSTCDD REFMCQNRQC IPKHFVCDHD RDCADGSDES
2860 2870 2880 2890 2900
PECEYPTCGP SEFRCANGRC LSSRQWECDG ENDCHDQSDE APKNPHCTSQ
2910 2920 2930 2940 2950
EHKCNASSQF LCSSGRCVAE ALLCNGQDDC GDSSDERGCH INECLSRKLS
2960 2970 2980 2990 3000
GCSQDCEDLK IGFKCRCRPG FRLKDDGRTC ADVDECSTTF PCSQRCINTH
3010 3020 3030 3040 3050
GSYKCLCVEG YAPRGGDPHS CKAVTDEEPF LIFANRYYLR KLNLDGSNYT
3060 3070 3080 3090 3100
LLKQGLNNAV ALDFDYREQM IYWTDVTTQG SMIRRMHLNG SNVQVLHRTG
3110 3120 3130 3140 3150
LSNPDGLAVD WVGGNLYWCD KGRDTIEVSK LNGAYRTVLV SSGLREPRAL
3160 3170 3180 3190 3200
VVDVQNGYLY WTDWGDHSLI GRIGMDGSSR SVIVDTKITW PNGLTLDYVT
3210 3220 3230 3240 3250
ERIYWADARE DYIEFASLDG SNRHVVLSQD IPHIFALTLF EDYVYWTDWE
3260 3270 3280 3290 3300
TKSINRAHKT TGTNKTLLIS TLHRPMDLHV FHALRQPDVP NHPCKVNNGG
3310 3320 3330 3340 3350
CSNLCLLSPG GGHKCACPTN FYLGSDGRTC VSNCTASQFV CKNDKCIPFW
3360 3370 3380 3390 3400
WKCDTEDDCG DHSDEPPDCP EFKCRPGQFQ CSTGICTNPA FICDGDNDCQ
3410 3420 3430 3440 3450
DNSDEANCDI HVCLPSQFKC TNTNRCIPGI FRCNGQDNCG DGEDERDCPE
3460 3470 3480 3490 3500
VTCAPNQFQC SITKRCIPRV WVCDRDNDCV DGSDEPANCT QMTCGVDEFR
3510 3520 3530 3540 3550
CKDSGRCIPA RWKCDGEDDC GDGSDEPKEE CDERTCEPYQ FRCKNNRCVP
3560 3570 3580 3590 3600
GRWQCDYDND CGDNSDEESC TPRPCSESEF SCANGRCIAG RWKCDGDHDC
3610 3620 3630 3640 3650
ADGSDEKDCT PRCDMDQFQC KSGHCIPLRW RCDADADCMD GSDEEACGTG
3660 3670 3680 3690 3700
VRTCPLDEFQ CNNTLCKPLA WKCDGEDDCG DNSDENPEEC ARFVCPPNRP
3710 3720 3730 3740 3750
FRCKNDRVCL WIGRQCDGTD NCGDGTDEED CEPPTAHTTH CKDKKEFLCR
3760 3770 3780 3790 3800
NQRCLSSSLR CNMFDDCGDG SDEEDCSIDP KLTSCATNAS ICGDEARCVR
3810 3820 3830 3840 3850
TEKAAYCACR SGFHTVPGQP GCQDINECLR FGTCSQLCNN TKGGHLCSCA
3860 3870 3880 3890 3900
RNFMKTHNTC KAEGSEYQVL YIADDNEIRS LFPGHPHSAY EQAFQGDESV
3910 3920 3930 3940 3950
RIDAMDVHVK AGRVYWTNWH TGTISYRSLP PAAPPTTSNR HRRQIDRGVT
3960 3970 3980 3990 4000
HLNISGLKMP RGIAIDWVAG NVYWTDSGRD VIEVAQMKGE NRKTLISGMI
4010 4020 4030 4040 4050
DEPHAIVVDP LRGTMYWSDW GNHPKIETAA MDGTLRETLV QDNIQWPTGL
4060 4070 4080 4090 4100
AVDYHNERLY WADAKLSVIG SIRLNGTDPI VAADSKRGLS HPFSIDVFED
4110 4120 4130 4140 4150
YIYGVTYINN RVFKIHKFGH SPLVNLTGGL SHASDVVLYH QHKQPEVTNP
4160 4170 4180 4190 4200
CDRKKCEWLC LLSPSGPVCT CPNGKRLDNG TCVPVPSPTP PPDAPRPGTC
4210 4220 4230 4240 4250
NLQCFNGGSC FLNARRQPKC RCQPRYTGDK CELDQCWEHC RNGGTCAASP
4260 4270 4280 4290 4300
SGMPTCRCPT GFTGPKCTQQ VCAGYCANNS TCTVNQGNQP QCRCLPGFLG
4310 4320 4330 4340 4350
DRCQYRQCSG YCENFGTCQM AADGSRQCRC TAYFEGSRCE VNKCSRCLEG
4360 4370 4380 4390 4400
ACVVNKQSGD VTCNCTDGRV APSCLTCVGH CSNGGSCTMN SKMMPECQCP
4410 4420 4430 4440 4450
PHMTGPRCEE HVFSQQQPGH IASILIPLLL LLLLVLVAGV VFWYKRRVQG
4460 4470 4480 4490 4500
AKGFQHQRMT NGAMNVEIGN PTYKMYEGGE PDDVGGLLDA DFALDPDKPT
4510 4520 4530 4540 4544
NFTNPVYATL YMGGHGSRHS LASTDEKREL LGRGPEDEIG DPLA

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

loading

Loader

Assay Details for CPTAC-2223 Collapse assay details

Data source: Panorama

Official Gene Symbol
LRP1
Peptide Modified Sequence
DGTC[+57.0]IGN[+1.0]SSR
Modification Type
Carbamidomethyl (C), Deamidated (N)
Protein - Site of Modification
2617, 2620
Peptide - Site of Modification
4, 7
Peptide Start
2614
Peptide End
2623
CPTAC ID
CPTAC-2223
Peptide Molecular Mass
1,066.4349
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
Human ovarian tissue 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 R
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-G


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
y3 (1+) 19.4 13.1 6.2 20.7 13.7 5.9 28.4 19 8.6 15 15 15
y5 (1+) 8.8 5.1 3.9 9.9 4.7 3.5 13.2 6.9 5.2 15 15 15
y6 (1+) 19.2 8 4.7 19 10.6 5.6 27 13.3 7.3 15 15 15
sum 9.5 3.3 2.4 9.5 3.8 2.3 13.4 5 3.3 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-2222 Collapse assay details

Data source: Panorama

Official Gene Symbol
LRP1
Peptide Modified Sequence
ELQGN[+1.0]C[+57.0]SR
Modification Type
Deamidated (N), Carbamidomethyl (C)
Protein - Site of Modification
114, 115
Peptide - Site of Modification
5, 6
Peptide Start
110
Peptide End
117
CPTAC ID
CPTAC-2222
Peptide Molecular Mass
963.4080
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
Human ovarian tissue 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 R
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-G


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
y3 (1+) 38.6 21.4 18.3 39 20.2 21.1 54.9 29.4 27.9 15 15 15
y5 (1+) 22.7 10.6 10.6 16.8 15 8.2 28.2 18.4 13.4 15 15 15
y6 (1+) 24.7 22.1 35.4 31.4 19.7 37.6 40 29.6 51.6 15 15 15
sum 12.8 11 8.5 12.9 12.7 8.7 18.2 16.8 12.2 15 15 15


Additional Resources and Comments


Assay Details for CPTAC-1617 Collapse assay details

Data source: Panorama

Official Gene Symbol
LRP1
Peptide Sequence
AALSGANVLTLIEK
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
2361
Peptide End
2374
CPTAC ID
CPTAC-1617
Peptide Molecular Mass
1,398.8082
Species
Homo sapiens (Human)
Assay Type
Direct MRM
Matrix
Ovarian cancer tumor tissue lysate
Submitting Laboratory
Pacific Northwest National Laboratory
Submitting Lab PI
Tao Liu

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument
TSQ Vantage
Internal Standard
peptide
Peptide Standard Purity
>95%
Peptide Standard Label Type
13C and 15N at C-terminus K
LC
Waters nanoACQUITY (Part Number 176016000)
Column Packing
Waters BEH C18, 1.7 um 130 Å (Part Number 186007485)
Column Dimensions
100 um x 100 mm
Flow Rate
0.5 uL/min

Assay Multiplexing Expand assay panel

Johns Hopkins University-G


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
y4 (1+) 26.1 9 8.9 32.6 13.5 10.8 41.8 16.2 14 15 15 15
y6 (1+) 10.4 3.9 2.7 20 5.6 8.1 22.5 6.8 8.5 15 15 15
y8 (1+) 12.7 3.9 2.7 21.8 4.8 8.4 25.2 6.2 8.8 15 15 15
sum 7.4 2.9 1.5 15.2 4.9 7.8 16.9 5.7 7.9 15 15 15


Additional Resources and Comments


Assay Details for non-CPTAC-3838 Collapse assay details

Data source: Panorama

Official Gene Symbol
Lrp1
Peptide Sequence
TNTQPFDLQVYHPSR
Modification Type
unmodified
Protein - Site of Modification
N/A
Peptide - Site of Modification
N/A
Peptide Start
1519
Peptide End
1533
CPTAC ID
non-CPTAC-3838
Peptide Molecular Mass
1,801.8747
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
>80%
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

Assay Multiplexing Expand assay panel

Johns Hopkins University-G


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
y11 (2+) 14.8 2.9 4.1 12.6 6.1 6.6 19.4 6.8 7.8 15 15 15
b2 (1+) 25.4 10.1 6.1 209.4 100.3 8.3 210.9 100.8 10.3 15 15 15
b3 (1+) 35.9 5.5 8.5 34.2 8.5 9.7 49.6 10.1 12.9 15 15 15
y3 (1+) 15.6 4.2 4.1 58.1 11.7 6.2 60.2 12.4 7.4 15 15 15
y13 (2+) 19 8.8 5.5 184.1 52 7.1 185.1 52.7 9 15 15 15
sum 11.1 3.3 2.6 164 26.4 5.8 164.4 26.6 6.4 15 15 15


Additional Resources and Comments