4OAO | pdb_00004oao

A mutant of Axe2 (R55A), and acetyl-xylooligosaccharide esterase from Geobacillus Stearmophilus

• PDB DOI: https://doi.org/10.2210/pdb4OAO/pdb

• Classification: HYDROLASE
• Organism(s): Geobacillus stearothermophilus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2014-01-06 Released: 2015-01-14 
• Deposition Author(s): Lansky, S., Alalouf, O., Solomon, H.V., Belrhali, H., Shoham, Y., Shoham, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 
  0.170 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.137 (Depositor), 0.150 (DCC) 
• R-Value Observed: 
  0.139 (Depositor) 

Starting Model: experimental

Literature

A mutant of Axe2 (R55A), and acetyl-xylooligosaccharide esterase from Geobacillus Stearmophilus

Lansky, S., Alalouf, O., Solomon, H.V., Belrhali, H., Shoham, Y., Shoham, G.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

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

Macromolecule Content 

• Total Structure Weight: 50.14 kDa 
• Atom Count: 3,926 
• Modeled Residue Count: 438 
• Deposited Residue Count: 438 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetyl xylan esterase	A, B	219	Geobacillus stearothermophilus	Mutation(s): 1  Gene Names: axe2 EC: 3.1.1.72
UniProt
Find proteins for Q09LX1 (Geobacillus stearothermophilus) Explore Q09LX1  Go to UniProtKB:  Q09LX1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	D [auth A], E [auth A], F [auth A], G [auth A], I [auth B], J [auth B], K [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	C [auth A], H [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free:  0.170 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.137 (Depositor), 0.150 (DCC) 
• R-Value Observed: 0.139 (Depositor) 

Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.638	α = 90
b = 108.638	β = 90
c = 214.423	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-01-14 
Deposition Author(s): Lansky, S., Alalouf, O., Solomon, H.V., Belrhali, H., Shoham, Y., Shoham, G.

Revision History  

• Version 1.0: 2015-01-14
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description