4XUK

Crystal structure of hydrolase AbOPH in beta lactamase superfamily

• PDB DOI: https://doi.org/10.2210/pdb4XUK/pdb

• Classification: HYDROLASE
• Organism(s): Acinetobacter sp. NBRC 100985
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2015-01-26 Released: 2015-10-21 
• Deposition Author(s): Chen, J., Xu, J.H., Zhou, J.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.238 
• R-Value Work: 0.204 
• R-Value Observed: 0.206 

Starting Model: experimental

Literature

Marked enhancement of Acinetobacter sp. organophosphorus hydrolase activity by a single residue substitution Ile211Ala

Chen, J., Lu, X.J., Chen, Q., Pan, J., Zhou, J.H., Xu, J.H.

(2015) Bioresour Bioprocess 

• DOI: https://doi.org/10.1186/s40643-015-0067-3

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 PISA (software)

Macromolecule Content

• Total Structure Weight: 64.83 kDa 
• Atom Count: 5,003 
• Modelled Residue Count: 582 
• Deposited Residue Count: 582 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative hydrolase	A, B	291	Acinetobacter sp. NBRC 100985	Mutation(s): 2  Gene Names: ACT4_021_01090
UniProt
Find proteins for G7GD18 (Acinetobacter sp. NBRC 100985) Explore G7GD18  Go to UniProtKB:  G7GD18

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A], D [auth A], E [auth B], F [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.238 
• R-Value Work: 0.204 
• R-Value Observed: 0.206 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.812	α = 90
b = 82.735	β = 90
c = 99.767	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHASER	phasing
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-10-21 
Deposition Author(s): Chen, J., Xu, J.H., Zhou, J.H.

Revision History  

• Version 1.0: 2015-10-21
  Type: Initial release
  
• Version 1.1: 2022-12-14
  Changes: Database references, Derived calculations
• Version 1.2: 2023-11-29
  Changes: Data collection, Refinement description
• Version 1.3: 2024-10-16
  Changes: Structure summary