8YRY | pdb_00008yry

HER3 in complex with FAb Hu3f8

PDB DOI: https://doi.org/10.2210/pdb8YRY/pdb
EM Map EMD-39553: EMDB EMDataResource

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2024-03-22 Released: 2025-06-25
Deposition Author(s): Wang, M., Li, X.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.93 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

DB-1310, a HER3-targeting antibody-drug conjugate, has synergistic anti-tumor activity with trastuzumab in HER2- and HER3-expressing breast cancer.

Li, X., Liang, L., Zhu, Z., Hua, H., Qiu, Y.

(2025) Cancer Biol Med 22: 231-236

PubMed: 40110648 Search on PubMedSearch on PubMed Central
DOI: https://doi.org/10.20892/j.issn.2095-3941.2024.0586
Primary Citation of Related Structures:
8YRY

Organizational Affiliation

Department of Research and Development, Duality Biologics, Ltd., Shanghai 201204, China.

Macromolecule Content

Total Structure Weight: 62.45 kDa
Atom Count: 4,068
Modeled Residue Count: 530
Deposited Residue Count: 569
Unique protein chains: 3

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Receptor tyrosine-protein kinase erbB-3	A	135	Homo sapiens	Mutation(s): 0 Gene Names: ERBB3, HER3 EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P21860 (Homo sapiens) Explore P21860 Go to UniProtKB: P21860
PHAROS: P21860 GTEx: ENSG00000065361
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P21860
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
fab Hu3f8 heavy chain	B [auth H]	220	Homo sapiens	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
fab Hu3f8 light chain	C [auth L]	214	Homo sapiens	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.93 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2025-06-25

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2025-06-25
Type: Initial release
Version 1.1: 2026-01-07
Changes: Data collection, Database references

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.