5HO2

Crystal structure of AbnA (open conformation), a GH43 extracellular arabinanase from Geobacillus stearothermophilus

• PDB DOI: https://doi.org/10.2210/pdb5HO2/pdb

• Classification: HYDROLASE
• Organism(s): Geobacillus stearothermophilus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2016-01-19 Released: 2017-02-01 
• Deposition Author(s): Lansky, S., Shwartstien, O., Salama, R., Shoham, Y., Shoham, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.37 Å
• R-Value Free: 0.242 
• R-Value Work: 0.165 
• R-Value Observed: 0.169 

Literature

Crystal structure of AbnA (open conformation), a GH43 extracellular arabinanase from Geobacillus stearothermophilus

Lansky, S., Shwartstien, O., Salama, R., Shoham, Y., Shoham, G.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 94.61 kDa 
• Atom Count: 6,759 
• Modelled Residue Count: 803 
• Deposited Residue Count: 848 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Extracellular arabinanase	A	848	Geobacillus stearothermophilus	Mutation(s): 0  Gene Names: abnA
UniProt
Find proteins for B3EYN2 (Geobacillus stearothermophilus) Explore B3EYN2  Go to UniProtKB:  B3EYN2

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TRS	D [auth A]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
PEG	E [auth A], F [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
ACT	G [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.37 Å
• R-Value Free: 0.242 
• R-Value Work: 0.165 
• R-Value Observed: 0.169 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.693	α = 90
b = 87.541	β = 90
c = 129.234	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-02-01 
Deposition Author(s): Lansky, S., Shwartstien, O., Salama, R., Shoham, Y., Shoham, G.

Revision History  

• Version 1.0: 2017-02-01
  Type: Initial release
  
• Version 1.1: 2024-01-10
  Changes: Data collection, Database references, Derived calculations, Refinement description