9JUX | pdb_00009jux

Crystal structure of hyperthermostable carboxylesterase from Anoxybacillus geothermalis D9

• PDB DOI: https://doi.org/10.2210/pdb9JUX/pdb

• Classification: HYDROLASE
• Organism(s): Anoxybacteroides rupiense
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-10-08 Released: 2025-10-15 
• Deposition Author(s): Rahman, N.F.Y.A., Johan, U.U.M., Rahman, R.N.Z.R.A., Noor, N.D.M., Shariff, F.M., Ali, M.S.M.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.67 Å
• R-Value Free: 
  0.225 (Depositor), 0.256 (DCC) 
• R-Value Work: 
  0.168 (Depositor), 0.212 (DCC) 

Starting Model: experimental

Literature

Crystal structure of carboxylesterase from Bacillus D9

Rahman, N.F.Y.A., Johan, U.U.M., Rahman, R.N.Z.R.A., Noor, N.D.M., Shariff, F.M., Ali, M.S.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 83.01 kDa 
• Atom Count: 6,048 
• Modeled Residue Count: 726 
• Deposited Residue Count: 726 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carboxylesterase	A, B, C	242	Anoxybacteroides rupiense	Mutation(s): 0  Gene Names: est, GFC29_2339 EC: 3.1.1.1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.67 Å
• R-Value Free:  0.225 (Depositor), 0.256 (DCC) 
• R-Value Work:  0.168 (Depositor), 0.212 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.97	α = 90
b = 111.628	β = 90
c = 114.885	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Coot	model building
MOLREP	phasing
Aimless	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-15 
Deposition Author(s): Rahman, N.F.Y.A., Johan, U.U.M., Rahman, R.N.Z.R.A., Noor, N.D.M., Shariff, F.M., Ali, M.S.M.

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Funding Organization	Location	Grant Number
Other government	Malaysia	--

Revision History  

• Version 1.0: 2025-10-15
  Type: Initial release