43LS | pdb_000043ls

Beta-galactosidase (without inhibitors) (E. coli)

PDB DOI: https://doi.org/10.2210/pdb43LS/pdb
EM Map EMD-81969: EMDB EMDataResource

Classification: HYDROLASE
Organism(s): Escherichia coli
Mutation(s): No

Deposited: 2026-07-07 Released: 2026-07-29
Deposition Author(s): Burton-Smith, R.N.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 1.36 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 43LS

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

Literature

Beta-galactosidase at 1.36 Angstrom

Burton-Smith, R.N.

To be published.

Macromolecule Content

Total Structure Weight: 463.93 kDa
Atom Count: 33,920
Modeled Residue Count: 4,044
Deposited Residue Count: 4,076
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-galactosidase	A, B, C, D	1,019	Escherichia coli	Mutation(s): 0 EC: 3.2.1.23
UniProt
Find proteins for Q8VNN2 (Escherichia coli) Explore Q8VNN2 Go to UniProtKB: Q8VNN2
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8VNN2
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 1.36 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-07-29

Deposition Author(s):

Burton-Smith, R.N.

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2026-07-29
Type: Initial release

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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.