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Open data
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Basic information
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Title | The EREG-bound EGFR/HER2 ectodomain complex | |||||||||
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Function / homology | ![]() luteinizing hormone signaling pathway / ovarian cumulus expansion / ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Zhang Z / Bai X | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structure and dynamics of the EGFR/HER2 heterodimer. Authors: Xue Bai / Pengyu Sun / Xinghao Wang / Changkun Long / Shuyun Liao / Song Dang / Shangshang Zhuang / Yongtao Du / Xinyi Zhang / Nan Li / Kangmin He / Zhe Zhang / ![]() Abstract: HER2 belongs to the human epidermal growth factor receptor tyrosine kinase family. Its overexpression or hyperactivation is a leading cause for multiple types of cancers. HER2 functions mainly ...HER2 belongs to the human epidermal growth factor receptor tyrosine kinase family. Its overexpression or hyperactivation is a leading cause for multiple types of cancers. HER2 functions mainly through dimerization with other family members, such as EGFR. However, the molecular details for heterodimer assembly have not been completely understood. Here, we report cryo-EM structures of the EGF- and epiregulin-bound EGFR/HER2 ectodomain complexes at resolutions of 3.3 Å and 4.5 Å, respectively. Together with the functional analyses, we demonstrate that only the dimerization arm of HER2, but not that of EGFR, is essential for their heterodimer formation and signal transduction. Moreover, we analyze the differential membrane dynamics and transient interactions of endogenous EGFR and HER2 molecules in genome-edited cells using single-molecule live-cell imaging. Furthermore, we show that the interaction with HER2 could allow EGFR to resist endocytosis. Together, this work deepens our understanding of the unique structural properties and dynamics of the EGFR/HER2 complex. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 191.8 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 17.2 KB 17.2 KB | Display Display | ![]() |
Images | ![]() | 179 KB | ||
Others | ![]() ![]() | 200.2 MB 200.2 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8hgpMC ![]() 8hgoC ![]() 8hgsC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Voxel size | X=Y=Z: 1.07 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_34745_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_34745_half_map_2.map | ||||||||||||
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Density Histograms |
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Sample components
-Entire : EREG-bound EGFR/HER2 ectodomain complex
Entire | Name: EREG-bound EGFR/HER2 ectodomain complex |
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Components |
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-Supramolecule #1: EREG-bound EGFR/HER2 ectodomain complex
Supramolecule | Name: EREG-bound EGFR/HER2 ectodomain complex / type: complex / ID: 1 / Chimera: Yes / Parent: 0 / Macromolecule list: #1-#3 |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 200 KDa |
-Macromolecule #1: Receptor tyrosine-protein kinase erbB-2
Macromolecule | Name: Receptor tyrosine-protein kinase erbB-2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: ![]() |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 82.149758 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MELAALCRWG LLLALLPPGA ASTQVCTGTD MKLRLPASPE THLDMLRHLY QGCQVVQGNL ELTYLPTNAS LSFLQDIQEV QGYVLIAHN QVRQVPLQRL RIVRGTQLFE DNYALAVLDN GDPLNNTTPV TGASPGGLRE LQLRSLTEIL KGGVLIQRNP Q LCYQDTIL ...String: MELAALCRWG LLLALLPPGA ASTQVCTGTD MKLRLPASPE THLDMLRHLY QGCQVVQGNL ELTYLPTNAS LSFLQDIQEV QGYVLIAHN QVRQVPLQRL RIVRGTQLFE DNYALAVLDN GDPLNNTTPV TGASPGGLRE LQLRSLTEIL KGGVLIQRNP Q LCYQDTIL WKDIFHKNNQ LALTLIDTNR SRACHPCSPM CKGSRCWGES SEDCQSLTRT VCAGGCARCK GPLPTDCCHE QC AAGCTGP KHSDCLACLH FNHSGICELH CPALVTYNTD TFESMPNPEG RYTFGASCVT ACPYNYLSTD VGSCTLVCPL HNQ EVTAED GTQRCEKCSK PCARVCYGLG MEHLREVRAV TSANIQEFAG CKKIFGSLAF LPESFDGDPA SNTAPLQPEQ LQVF ETLEE ITGYLYISAW PDSLPDLSVF QNLQVIRGRI LHNGAYSLTL QGLGISWLGL RSLRELGSGL ALIHHNTHLC FVHTV PWDQ LFRNPHQALL HTANRPEDEC VGEGLACHQL CARGHCWGPG PTQCVNCSQF LRGQECVEEC RVLQGLPREY VNARHC LPC HPECQPQNGS VTCFGPEADQ CVACAHYKDP PFCVARCPSG VKPDLSYMPI WKFPDEEGAC QPCPINCTHS CVDLDDK GC PAEQRASPLT SIISAVVGIL LVVVLGVVFG ILIKRRQQKI RKYTMRRLLQ EGGSENLYFQ GGGSAQLEKE LQALEKEN A QLEWELQALE KELAQSNSLE VLFQ |
-Macromolecule #2: Epidermal growth factor receptor
Macromolecule | Name: Epidermal growth factor receptor / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO / EC number: ![]() |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 81.075297 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MRPSGTAGAA LLALLAALCP ASRALEEKKV CQGTSNKLTQ LGTFEDHFLS LQRMFNNCEV VLGNLEITYV QRNYDLSFLK TIQEVAGYV LIALNTVERI PLENLQIIRG NMYYENSYAL AVLSNYDANK TGLKELPMRN LQEILHGAVR FSNNPALCNV E SIQWRDIV ...String: MRPSGTAGAA LLALLAALCP ASRALEEKKV CQGTSNKLTQ LGTFEDHFLS LQRMFNNCEV VLGNLEITYV QRNYDLSFLK TIQEVAGYV LIALNTVERI PLENLQIIRG NMYYENSYAL AVLSNYDANK TGLKELPMRN LQEILHGAVR FSNNPALCNV E SIQWRDIV SSDFLSNMSM DFQNHLGSCQ KCDPSCPNGS CWGAGEENCQ KLTKIICAQQ CSGRCRGKSP SDCCHNQCAA GC TGPRESD CLVCRKFRDE ATCKDTCPPL MLYNPTTYQM DVNPEGKYSF GATCVKKCPR NYVVTDHGSC VRACGADSYE MEE DGVRKC KKCEGPCRKV CNGIGIGEFK DSLSINATNI KHFKNCTSIS GDLHILPVAF RGDSFTHTPP LDPQELDILK TVKE ITGFL LIQAWPENRT DLHAFENLEI IRGRTKQHGQ FSLAVVSLNI TSLGLRSLKE ISDGDVIISG NKNLCYANTI NWKKL FGTS GQKTKIISNR GENSCKATGQ VCHALCSPEG CWGPEPRDCV SCRNVSRGRE CVDKCNLLEG EPREFVENSE CIQCHP ECL PQAMNITCTG RGPDNCIQCA HYIDGPHCVK TCPAGVMGEN NTLVWKYADA GHVCHLCHPN CTYGCTGPGL EGCPTNG PK IPSIATGMVG ALLLLLVVAL GIGLFMRRRH IVRKRTLRRL LGGSENLYFQ GGGSAAQLKK KLQALKKKNA QLKWKLQA L KKKLAQSNSL EVLFQ |
-Macromolecule #3: Proepiregulin
Macromolecule | Name: Proepiregulin / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 5.57841 KDa |
Recombinant expression | Organism: ![]() ![]() ![]() |
Sequence | String: VAQVSITKCS SDMNGYCLHG QCIYLVDMSQ NYCRCEVGYT GVRCEHFFL |
-Macromolecule #6: 2-acetamido-2-deoxy-beta-D-glucopyranose
Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 6 / Number of copies: 2 / Formula: NAG |
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Molecular weight | Theoretical: 221.208 Da |
Chemical component information | ![]() ChemComp-NAG: |
-Experimental details
-Structure determination
Method | ![]() |
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Aggregation state | particle |
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Sample preparation
Concentration | 4.2 mg/mL |
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Buffer | pH: 7.5 |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD![]() |
Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.8 e/Å2 |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Initial angle assignment | Type: NOT APPLICABLE |
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Final angle assignment | Type: ANGULAR RECONSTITUTION |
Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 4.53 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 273388 |
-Atomic model buiding 1
Refinement | Space: REAL / Protocol: FLEXIBLE FIT |
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Output model | ![]() PDB-8hgp: |