[English] 日本語
Yorodumi
- PDB-8ffj: Structure of Zanidatamab bound to HER2 -

+
Open data


ID or keywords:

Loading...

-
Basic information

Entry
Database: PDB / ID: 8ffj
TitleStructure of Zanidatamab bound to HER2
Components
  • Receptor tyrosine-protein kinase erbB-2
  • Zanidatamab Heavy Chain A
  • Zanidatamab Heavy Chain B
  • Zanidatamab Light Chain A
KeywordsTRANSFERASE/IMMUNE SYSTEM / Antibody / biparatopic / TRANSFERASE-IMMUNE SYSTEM complex
Function / homology
Function and homology information


negative regulation of immature T cell proliferation in thymus / ERBB3:ERBB2 complex / ERBB2-ERBB4 signaling pathway / GRB7 events in ERBB2 signaling / immature T cell proliferation in thymus / RNA polymerase I core binding / semaphorin receptor complex / regulation of microtubule-based process / ErbB-3 class receptor binding / motor neuron axon guidance ...negative regulation of immature T cell proliferation in thymus / ERBB3:ERBB2 complex / ERBB2-ERBB4 signaling pathway / GRB7 events in ERBB2 signaling / immature T cell proliferation in thymus / RNA polymerase I core binding / semaphorin receptor complex / regulation of microtubule-based process / ErbB-3 class receptor binding / motor neuron axon guidance / Sema4D induced cell migration and growth-cone collapse / neurotransmitter receptor localization to postsynaptic specialization membrane / PLCG1 events in ERBB2 signaling / ERBB2-EGFR signaling pathway / 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 / PI3K events in ERBB2 signaling / positive regulation of protein targeting to membrane / regulation of angiogenesis / Schwann cell development / regulation of ERK1 and ERK2 cascade / coreceptor activity / Signaling by ERBB2 / transmembrane receptor protein tyrosine kinase activity / TFAP2 (AP-2) family regulates transcription of growth factors and their receptors / myelination / 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 / Downregulation of ERBB2:ERBB3 signaling / Constitutive Signaling by Overexpressed ERBB2 / cell surface receptor protein tyrosine kinase signaling pathway / positive regulation of epithelial cell proliferation / basal plasma membrane / positive regulation of translation / phosphatidylinositol 3-kinase/protein kinase B signal transduction / 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 / cellular response to growth factor stimulus / peptidyl-tyrosine phosphorylation / Signaling by ERBB2 KD Mutants / receptor tyrosine kinase binding / epidermal growth factor receptor signaling pathway / ruffle membrane / Downregulation of ERBB2 signaling / neuron differentiation / Constitutive Signaling by Aberrant PI3K in Cancer / transmembrane signaling receptor activity / PIP3 activates AKT signaling / myelin sheath / presynaptic membrane / heart development / RAF/MAP kinase cascade / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / positive regulation of cell growth / protein tyrosine kinase activity / basolateral plasma membrane / early endosome / cell population proliferation / receptor complex / cell surface receptor signaling pathway / positive regulation of MAPK cascade
Similarity search - Function
: / Epidermal growth factor receptor transmembrane-juxtamembrane segment / Tyrosine protein kinase, EGF/ERB/XmrK receptor / Growth factor receptor domain 4 / Growth factor receptor domain IV / Receptor L-domain / Furin-like cysteine-rich domain / Receptor L-domain superfamily / Furin-like cysteine rich region / Receptor L domain ...: / Epidermal growth factor receptor transmembrane-juxtamembrane segment / Tyrosine protein kinase, EGF/ERB/XmrK receptor / Growth factor receptor domain 4 / Growth factor receptor domain IV / Receptor L-domain / Furin-like cysteine-rich domain / Receptor L-domain superfamily / Furin-like cysteine rich region / Receptor L domain / Furin-like repeat / Furin-like repeats / Growth factor receptor cysteine-rich domain superfamily / : / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / Tyrosine-protein kinase, active site / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily
Similarity search - Domain/homology
Receptor tyrosine-protein kinase erbB-2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 7.5 Å
AuthorsWorrall, L.J. / Atkinson, C.E. / Sanches, M. / Dixit, S. / Strynadka, N.C.J.
Funding support Canada, 1items
OrganizationGrant numberCountry
Not funded Canada
CitationJournal: Nat Commun / Year: 2023
Title: An anti-HER2 biparatopic antibody that induces unique HER2 clustering and complement-dependent cytotoxicity.
Authors: Nina E Weisser / Mario Sanches / Eric Escobar-Cabrera / Jason O'Toole / Elizabeth Whalen / Peter W Y Chan / Grant Wickman / Libin Abraham / Kate Choi / Bryant Harbourne / Antonios Samiotakis ...Authors: Nina E Weisser / Mario Sanches / Eric Escobar-Cabrera / Jason O'Toole / Elizabeth Whalen / Peter W Y Chan / Grant Wickman / Libin Abraham / Kate Choi / Bryant Harbourne / Antonios Samiotakis / Andrea Hernández Rojas / Gesa Volkers / Jodi Wong / Claire E Atkinson / Jason Baardsnes / Liam J Worrall / Duncan Browman / Emma E Smith / Priya Baichoo / Chi Wing Cheng / Joy Guedia / Sohyeong Kang / Abhishek Mukhopadhyay / Lisa Newhook / Anders Ohrn / Prajwal Raghunatha / Matteo Zago-Schmitt / Joseph D Schrag / Joel Smith / Patricia Zwierzchowski / Joshua M Scurll / Vincent Fung / Sonia Black / Natalie C J Strynadka / Michael R Gold / Leonard G Presta / Gordon Ng / Surjit Dixit /
Abstract: Human epidermal growth factor receptor 2 (HER2) is a receptor tyrosine kinase that plays an oncogenic role in breast, gastric and other solid tumors. However, anti-HER2 therapies are only currently ...Human epidermal growth factor receptor 2 (HER2) is a receptor tyrosine kinase that plays an oncogenic role in breast, gastric and other solid tumors. However, anti-HER2 therapies are only currently approved for the treatment of breast and gastric/gastric esophageal junction cancers and treatment resistance remains a problem. Here, we engineer an anti-HER2 IgG1 bispecific, biparatopic antibody (Ab), zanidatamab, with unique and enhanced functionalities compared to both trastuzumab and the combination of trastuzumab plus pertuzumab (tras + pert). Zanidatamab binds adjacent HER2 molecules in trans and initiates distinct HER2 reorganization, as shown by polarized cell surface HER2 caps and large HER2 clusters, not observed with trastuzumab or tras + pert. Moreover, zanidatamab, but not trastuzumab nor tras + pert, elicit potent complement-dependent cytotoxicity (CDC) against high HER2-expressing tumor cells in vitro. Zanidatamab also mediates HER2 internalization and downregulation, inhibition of both cell signaling and tumor growth, antibody-dependent cellular cytotoxicity (ADCC) and phagocytosis (ADCP), and also shows superior in vivo antitumor activity compared to tras + pert in a HER2-expressing xenograft model. Collectively, we show that zanidatamab has multiple and distinct mechanisms of action derived from the structural effects of biparatopic HER2 engagement.
History
DepositionDec 8, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 22, 2023Provider: repository / Type: Initial release
Revision 1.1Sep 4, 2024Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / citation_author / em_admin
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _em_admin.last_update
Revision 1.2Nov 13, 2024Group: Data collection / Structure summary
Category: em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update

-
Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

-
Assembly

Deposited unit
X: Receptor tyrosine-protein kinase erbB-2
J: Zanidatamab Heavy Chain A
Q: Zanidatamab Light Chain A
I: Zanidatamab Heavy Chain B


Theoretical massNumber of molelcules
Total (without water)194,0454
Polymers194,0454
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

-
Components

#1: Protein Receptor tyrosine-protein kinase erbB-2 / Metastatic lymph node gene 19 protein / MLN 19 / Proto-oncogene Neu / Proto-oncogene c-ErbB-2 / ...Metastatic lymph node gene 19 protein / MLN 19 / Proto-oncogene Neu / Proto-oncogene c-ErbB-2 / Tyrosine kinase-type cell surface receptor HER2 / p185erbB2


Mass: 68536.844 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ERBB2, HER2, MLN19, NEU, NGL / Production host: Cricetulus griseus (Chinese hamster)
References: UniProt: P04626, receptor protein-tyrosine kinase
#2: Antibody Zanidatamab Heavy Chain A


Mass: 49217.211 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Cricetulus griseus (Chinese hamster)
#3: Antibody Zanidatamab Light Chain A


Mass: 23749.334 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Cricetulus griseus (Chinese hamster)
#4: Antibody Zanidatamab Heavy Chain B


Mass: 52541.500 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Cricetulus griseus (Chinese hamster)
Has protein modificationY

-
Experimental details

-
Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

-
Sample preparation

ComponentName: Complex of Zanidatamab and HER2 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Cricetulus griseus (Chinese hamster)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

-
Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 4000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 110 e/Å2 / Detector mode: INTEGRATING / Film or detector model: FEI FALCON III (4k x 4k)

-
Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 7.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 27589 / Algorithm: FOURIER SPACE / Num. of class averages: 1 / Symmetry type: POINT

+
About Yorodumi

-
News

-
Feb 9, 2022. New format data for meta-information of EMDB entries

New format data for meta-information of EMDB entries

  • Version 3 of the EMDB header file is now the official format.
  • The previous official version 1.9 will be removed from the archive.

Related info.:EMDB header

External links:wwPDB to switch to version 3 of the EMDB data model

-
Aug 12, 2020. Covid-19 info

Covid-19 info

URL: https://pdbj.org/emnavi/covid19.php

New page: Covid-19 featured information page in EM Navigator.

Related info.:Covid-19 info / Mar 5, 2020. Novel coronavirus structure data

+
Mar 5, 2020. Novel coronavirus structure data

Novel coronavirus structure data

Related info.:Yorodumi Speices / Aug 12, 2020. Covid-19 info

External links:COVID-19 featured content - PDBj / Molecule of the Month (242)：Coronavirus Proteases

+
Jan 31, 2019. EMDB accession codes are about to change! (news from PDBe EMDB page)

EMDB accession codes are about to change! (news from PDBe EMDB page)

  • The allocation of 4 digits for EMDB accession codes will soon come to an end. Whilst these codes will remain in use, new EMDB accession codes will include an additional digit and will expand incrementally as the available range of codes is exhausted. The current 4-digit format prefixed with “EMD-” (i.e. EMD-XXXX) will advance to a 5-digit format (i.e. EMD-XXXXX), and so on. It is currently estimated that the 4-digit codes will be depleted around Spring 2019, at which point the 5-digit format will come into force.
  • The EM Navigator/Yorodumi systems omit the EMD- prefix.

Related info.:Q: What is EMD? / ID/Accession-code notation in Yorodumi/EM Navigator

External links:EMDB Accession Codes are Changing Soon! / Contact to PDBj

+
Jul 12, 2017. Major update of PDB

Major update of PDB

  • wwPDB released updated PDB data conforming to the new PDBx/mmCIF dictionary.
  • This is a major update changing the version number from 4 to 5, and with Remediation, in which all the entries are updated.
  • In this update, many items about electron microscopy experimental information are reorganized (e.g. em_software).
  • Now, EM Navigator and Yorodumi are based on the updated data.

External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

-
Yorodumi

Thousand views of thousand structures

  • Yorodumi is a browser for structure data from EMDB, PDB, SASBDB, etc.
  • This page is also the successor to EM Navigator detail page, and also detail information page/front-end page for Omokage search.
  • The word "yorodu" (or yorozu) is an old Japanese word meaning "ten thousand". "mi" (miru) is to see.

Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

Read more