8UWS | pdb_00008uws

Cryo-EM structure of an Enterobacter GH43 Beta-Xylosidase: EcXyl43

• PDB DOI: https://doi.org/10.2210/pdb8UWS/pdb
• EM Map EMD-42680: EMDB EMDataResource

• Classification: HYDROLASE
• Organism(s): Enterobacter hormaechei
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-11-08 Released: 2024-05-15 
• Deposition Author(s): Briganti, L., Godoy, A.S., Capetti, C.C.M., Portugal, R.V., Polikarpov, I.
• Funding Organization(s): Sao Paulo Research Foundation (FAPESP)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of an Enterobacter GH43 Beta-Xylosidase: EcXyl43

Briganti, L., Godoy, A.S., Polikarpov, I.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 244.16 kDa 
• Atom Count: 17,137 
• Modeled Residue Count: 2,133 
• Deposited Residue Count: 2,144 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-xylosidase	A [auth C], B [auth D], C [auth A], D [auth B]	536	Enterobacter hormaechei	Mutation(s): 0  Gene Names: FJMB80377_06160
UniProt
Find proteins for A0AAT8XUI4 (Enterobacter hormaechei) Explore A0AAT8XUI4  Go to UniProtKB:  A0AAT8XUI4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	E [auth C], F [auth D], G [auth A], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-15 
Deposition Author(s): Briganti, L., Godoy, A.S., Capetti, C.C.M., Portugal, R.V., Polikarpov, I.

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Funding Organization	Location	Grant Number
Sao Paulo Research Foundation (FAPESP)	Brazil	--

Revision History  

• Version 1.0: 2024-05-15
  Type: Initial release
  
• Version 1.1: 2025-05-21
  Changes: Data collection, Structure summary