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- EMDB-20055: Cryo-EM structure of Her2 extracellular domain-Trastuzumab Fab-Pe... -
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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-20055 | |||||||||
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Title | Cryo-EM structure of Her2 extracellular domain-Trastuzumab Fab-Pertuzumab Fab complex | |||||||||
![]() | Sharpened map with phenix.auto_sharpen | |||||||||
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![]() | Her2 extracellular domain / Trastuzumab / Pertuzumab / transferase-immune system complex | |||||||||
Function / homology | ![]() negative regulation of immature T cell proliferation in thymus / ERBB3:ERBB2 complex / ERBB2-ERBB4 signaling pathway / IgD immunoglobulin complex / GRB7 events in ERBB2 signaling / immature T cell proliferation in thymus / RNA polymerase I core binding / IgA immunoglobulin complex / IgM immunoglobulin complex / IgE immunoglobulin complex ...negative regulation of immature T cell proliferation in thymus / ERBB3:ERBB2 complex / ERBB2-ERBB4 signaling pathway / IgD immunoglobulin complex / GRB7 events in ERBB2 signaling / immature T cell proliferation in thymus / RNA polymerase I core binding / IgA immunoglobulin complex / IgM immunoglobulin complex / IgE immunoglobulin complex / semaphorin receptor complex / CD22 mediated BCR regulation / regulation of microtubule-based process / ErbB-3 class receptor binding / motor neuron axon guidance / Sema4D induced cell migration and growth-cone collapse / IgG immunoglobulin complex / Fc epsilon receptor (FCERI) signaling / Classical antibody-mediated complement activation / neurotransmitter receptor localization to postsynaptic specialization membrane / PLCG1 events in ERBB2 signaling / immunoglobulin complex / ERBB2-EGFR signaling pathway / Initial triggering of complement / neuromuscular junction development / ERBB2 Activates PTK6 Signaling / enzyme-linked receptor protein signaling pathway / positive regulation of Rho protein signal transduction / ERBB2-ERBB3 signaling pathway / Drug-mediated inhibition of ERBB2 signaling / Resistance of ERBB2 KD mutants to trastuzumab / Resistance of ERBB2 KD mutants to sapitinib / Resistance of ERBB2 KD mutants to tesevatinib / Resistance of ERBB2 KD mutants to neratinib / Resistance of ERBB2 KD mutants to osimertinib / Resistance of ERBB2 KD mutants to afatinib / Resistance of ERBB2 KD mutants to AEE788 / Resistance of ERBB2 KD mutants to lapatinib / Drug resistance in ERBB2 TMD/JMD mutants / positive regulation of transcription by RNA polymerase I / oligodendrocyte differentiation / ERBB2 Regulates Cell Motility / semaphorin-plexin signaling pathway / immunoglobulin mediated immune response / PI3K events in ERBB2 signaling / FCGR activation / positive regulation of protein targeting to membrane / Role of LAT2/NTAL/LAB on calcium mobilization / Role of phospholipids in phagocytosis / regulation of angiogenesis / Scavenging of heme from plasma / Schwann cell development / regulation of ERK1 and ERK2 cascade / antigen binding / coreceptor activity / Signaling by ERBB2 / transmembrane receptor protein tyrosine kinase activity / TFAP2 (AP-2) family regulates transcription of growth factors and their receptors / myelination / FCERI mediated Ca+2 mobilization / positive regulation of MAP kinase activity / GRB2 events in ERBB2 signaling / positive regulation of cell adhesion / SHC1 events in ERBB2 signaling / cellular response to epidermal growth factor stimulus / FCGR3A-mediated IL10 synthesis / Downregulation of ERBB2:ERBB3 signaling / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / Constitutive Signaling by Overexpressed ERBB2 / cell surface receptor protein tyrosine kinase signaling pathway / positive regulation of epithelial cell proliferation / Regulation of Complement cascade / basal plasma membrane / positive regulation of translation / Cell surface interactions at the vascular wall / B cell receptor signaling pathway / phosphatidylinositol 3-kinase/protein kinase B signal transduction / FCGR3A-mediated phagocytosis / FCERI mediated MAPK activation / wound healing / Signaling by ERBB2 TMD/JMD mutants / placental growth factor receptor activity / insulin receptor activity / vascular endothelial growth factor receptor activity / hepatocyte growth factor receptor activity / macrophage colony-stimulating factor receptor activity / platelet-derived growth factor alpha-receptor activity / platelet-derived growth factor beta-receptor activity / stem cell factor receptor activity / boss receptor activity / protein tyrosine kinase collagen receptor activity / brain-derived neurotrophic factor receptor activity / transmembrane-ephrin receptor activity / GPI-linked ephrin receptor activity / epidermal growth factor receptor activity / fibroblast growth factor receptor activity / insulin-like growth factor receptor activity / Signaling by ERBB2 ECD mutants / receptor protein-tyrosine kinase / neuromuscular junction Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 4.36 Å | |||||||||
![]() | Hao Y / Yu X | |||||||||
![]() | ![]() Title: Cryo-EM Structure of HER2-trastuzumab-pertuzumab complex. Authors: Yue Hao / Xinchao Yu / Yonghong Bai / Helen J McBride / Xin Huang / ![]() Abstract: Trastuzumab and pertuzumab are monoclonal antibodies that bind to distinct subdomains of the extracellular domain of human epidermal growth factor receptor 2 (HER2). Adding these monoclonal ...Trastuzumab and pertuzumab are monoclonal antibodies that bind to distinct subdomains of the extracellular domain of human epidermal growth factor receptor 2 (HER2). Adding these monoclonal antibodies to the treatment regimen of HER2-positive breast cancer has changed the paradigm for treatment in that form of cancer. Synergistic activity has been observed with the combination of these two antibodies leading to hypotheses regarding the mechanism(s) and to the development of bispecific antibodies to maximize the clinical effect further. Although the individual crystal structures of HER2-trastuzumab and HER2-pertuzumab revealed the distinct binding sites and provided the structural basis for their anti-tumor activities, detailed structural information on the HER2-trastuzumab-pertuzumab complex has been elusive. Here we present the cryo-EM structure of HER2-trastuzumab-pertuzumab at 4.36 Å resolution. Comparison with the binary complexes reveals no cooperative interaction between trastuzumab and pertuzumab, and provides key insights into the design of novel, high-avidity bispecific molecules with potentially greater clinical efficacy. | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 31.9 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 18.4 KB 18.4 KB | Display Display | ![]() |
Images | ![]() | 145.4 KB | ||
Filedesc metadata | ![]() | 6.8 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6ogeMC M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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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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Annotation | Sharpened map with phenix.auto_sharpen | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.059 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
+Entire : Her2 extracellular domain-Trastuzumab Fab-Pertuzumab Fab complex
+Supramolecule #1: Her2 extracellular domain-Trastuzumab Fab-Pertuzumab Fab complex
+Supramolecule #2: Human HER2 extracellular domain
+Supramolecule #3: Pertuzumab Fab
+Supramolecule #4: Trastuzumab Fab
+Macromolecule #1: Receptor tyrosine-protein kinase erbB-2
+Macromolecule #2: Pertuzumab FAB LIGHT CHAIN
+Macromolecule #3: Pertuzumab FAB HEAVY CHAIN
+Macromolecule #4: Trastuzumab FAB LIGHT CHAIN
+Macromolecule #5: Trastuzumab FAB HEAVY CHAIN
+Macromolecule #7: 2-acetamido-2-deoxy-beta-D-glucopyranose
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 2.4 mg/mL | |||||||||
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Buffer | pH: 7.5 Component:
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Grid | Model: Quantifoil R1.2/1.3 / Mesh: 300 | |||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Average exposure time: 6.0 sec. / Average electron dose: 45.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: -1.5 µm / Nominal defocus min: -3.5 µm / Nominal magnification: 130000 |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Refinement | Space: REAL / Protocol: FLEXIBLE FIT |
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Output model | ![]() PDB-6oge: |