9U4J | pdb_00009u4j

Cryo-EM structure of the hGPR4-apo Receptor in pH 7.8

PDB DOI: https://doi.org/10.2210/pdb9U4J/pdb
EM Map EMD-63848: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens, Escherichia coli O157:H7
Expression System: Mammalian expression vector Flag-MCS-pcDNA3.1
Mutation(s): No

Deposited: 2025-03-19 Released: 2026-03-25
Deposition Author(s): Zhong, Y.N., Liu, Z.L., Guo, L.L., Sun, J.P., Yang, F.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Cryo-EM structure of the hGPR4 apo-BRIL Fab Receptor in pH 7.8

Zhong, Y.N., Liu, Z.L., Yang, F., Sun, J.P., Yang, F.

To be published.

Macromolecule Content

Total Structure Weight: 33.12 kDa
Atom Count: 1,937
Modeled Residue Count: 273
Deposited Residue Count: 288
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
G-protein coupled receptor 4,Soluble cytochrome b562	A	288	Homo sapiens, Escherichia coli O157:H7 This entity is chimeric	Mutation(s): 0 Gene Names: GPR4, cybC, Z5846, ECs5213
UniProt & NIH Common Fund Data Resources
Find proteins for P46093 (Homo sapiens) Explore P46093 Go to UniProtKB: P46093
PHAROS: P46093 GTEx: ENSG00000177464
Find proteins for P0ABE8 (Escherichia coli O157:H7) Explore P0ABE8 Go to UniProtKB: P0ABE8
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Groups	P0ABE8P46093
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-03-25

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81773704

Revision History (Full details and data files)

Version 1.0: 2026-03-25
Type: Initial release

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.