1N82

The high-resolution crystal structure of IXT6, a thermophilic, intracellular xylanase from G. stearothermophilus

• PDB DOI: https://doi.org/10.2210/pdb1N82/pdb

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


• Deposited: 2002-11-19 Released: 2003-11-25 
• Deposition Author(s): Solomon, V., Teplitsky, A., Golan, G., Gilboa, R., Reiland, V., Shulami, S., Moryles, S., Zolotnitsky, G., Shoham, Y., Shoham, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.194 
• R-Value Work: 0.159 

Literature

The high-resolution crystal structure of IXT6, a thermophilic, intracellular xylanase from G. stearothermophilus

Solomon, V., Teplitsky, A., Golan, G., Gilboa, R., Reiland, V., Shulami, S., Moryles, S., Zolotnitsky, G., Shoham, Y., Shoham, G.

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.

Macromolecule Content

• Total Structure Weight: 78.73 kDa 
• Atom Count: 6,096 
• Modelled Residue Count: 658 
• Deposited Residue Count: 662 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
intra-cellular xylanase	A, B	331	Geobacillus stearothermophilus	Mutation(s): 0  Gene Names: XYNA EC: 3.2.1.8
UniProt
Find proteins for Q09LY9 (Geobacillus stearothermophilus) Explore Q09LY9  Go to UniProtKB:  Q09LY9

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], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], N [auth B], O [auth B], P [auth B], Q [auth B], R [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
NA	C [auth A], M [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.194 
• R-Value Work: 0.159 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 169.481	α = 90
b = 80.579	β = 91.89
c = 79.054	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
CNS	refinement
DENZO	data reduction
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-25 
Deposition Author(s): Solomon, V., Teplitsky, A., Golan, G., Gilboa, R., Reiland, V., Shulami, S., Moryles, S., Zolotnitsky, G., Shoham, Y., Shoham, G.

Revision History  

• Version 1.0: 2003-11-25
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2019-07-24
  Changes: Data collection, Refinement description
• Version 1.5: 2024-02-14
  Changes: Data collection, Database references, Derived calculations
• Version 1.6: 2024-04-03
  Changes: Refinement description