4NPR

Crystal Structure of the Family 12 Xyloglucanase from Aspergillus niveus

• PDB DOI: https://doi.org/10.2210/pdb4NPR/pdb

• Classification: HYDROLASE
• Organism(s): Aspergillus niveus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-11-22 Released: 2014-12-24 
• Deposition Author(s): Cordeiro, R.L., Santos, C.R., Furtado, G.P., Damasio, A.R.L., Polizeli, M.L.T.M., Ward, R.J., Murakami, M.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.242 
• R-Value Work: 0.186 
• R-Value Observed: 0.188 

Literature

Crystal Structure of the Family 12 Xyloglucanase from Aspergillus niveus

Santos, C.R., Cordeiro, R.L., Furtado, G.P., Damasio, A.R.L., Polizeli, M.L.T.M., Ward, R.J., Murakami, M.T.

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: Homo 2-mer - A2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 52.27 kDa 
• Atom Count: 3,388 
• Modelled Residue Count: 440 
• Deposited Residue Count: 486 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Xyloglucan-specific endo-beta-1,4-glucanase GH12	A, B	243	Aspergillus niveus	Mutation(s): 0  EC: 3.2.1.151
UniProt
Find proteins for H6TQN1 (Aspergillus niveus) Explore H6TQN1  Go to UniProtKB:  H6TQN1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.242 
• R-Value Work: 0.186 
• R-Value Observed: 0.188 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.368	α = 90
b = 62.368	β = 90
c = 226.037	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: 2014-12-24 
Deposition Author(s): Cordeiro, R.L., Santos, C.R., Furtado, G.P., Damasio, A.R.L., Polizeli, M.L.T.M., Ward, R.J., Murakami, M.T.

Revision History  

• Version 1.0: 2014-12-24
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description