22XO | pdb_000022xo

Cryo-EM structure of E.coli LrhA

PDB DOI: https://doi.org/10.2210/pdb22XO/pdb
EM Map EMD-68756: EMDB EMDataResource

Classification: TRANSCRIPTION
Organism(s): Escherichia coli
Expression System: Escherichia coli BL21
Mutation(s): No

Deposited: 2026-01-27 Released: 2026-02-11
Deposition Author(s): Niu, B., Kikkawa, M., Jiang, X.
Funding Organization(s): Japan Society for the Promotion of Science (JSPS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.72 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

Structural Rearrangements Enable LrhA Activation and Control of Flagella

Niu, B., Kikkawa, M., Jiang, X.

To be published.

Macromolecule Content

Total Structure Weight: 147.19 kDa
Atom Count: 6,258
Modeled Residue Count: 810
Deposited Residue Count: 1,328
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable HTH-type transcriptional regulator LrhA	A, B, C, D	332	Escherichia coli	Mutation(s): 0 Gene Names: lrhA, genR, b2289, JW2284
UniProt
Find proteins for P36771 (Escherichia coli (strain K12)) Explore P36771 Go to UniProtKB: P36771
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P36771
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.72 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC
MODEL REFINEMENT	PHENIX

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-02-11

Deposition Author(s):

Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	24KF0141
Japan Society for the Promotion of Science (JSPS)	Japan	24K18106

Revision History (Full details and data files)

Version 1.0: 2026-02-11
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.