8XIZ

Crystal structure of an epoxide hydrolase mutant A250IC/L344V from Aspergillus usamii E001 at 2.17 Angstroms resolution

• PDB DOI: https://doi.org/10.2210/pdb8XIZ/pdb

• Classification: HYDROLASE
• Organism(s): Aspergillus usamii
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2023-12-20 Released: 2024-02-07 
• Deposition Author(s): Hu, B.C., Lu, Z.Y., Tang, C.D., Hu, D.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.222 
• R-Value Work: 0.162 
• R-Value Observed: 0.165 

Literature

Directed evolution of an epoxide hydrolase and its structural mechanism for the enantioselectivity improvement toward chiral ortho-fluorostyrene oxide

Hu, D., Lu, Z.Y.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: homology

Macromolecule Content

• Total Structure Weight: 97.05 kDa 
• Atom Count: 6,698 
• Modelled Residue Count: 777 
• Deposited Residue Count: 862 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Microsomal epoxide hyddrolase	A, B	431	Aspergillus usamii	Mutation(s): 2  Gene Names: EH2 EC: 3.3.2.9
UniProt
Find proteins for T2B4K5 (Aspergillus usamii) Explore T2B4K5  Go to UniProtKB:  T2B4K5

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.222 
• R-Value Work: 0.162 
• R-Value Observed: 0.165 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.049	α = 90
b = 51.287	β = 90.52
c = 133.812	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data scaling
HKL-3000	data reduction
AMPLE	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-07 
Deposition Author(s): Hu, B.C., Lu, Z.Y., Tang, C.D., Hu, D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	22308034

Revision History  

• Version 1.0: 2024-02-07
  Type: Initial release