1WNO

Crystal structure of a native chitinase from Aspergillus fumigatus YJ-407

• PDB DOI: https://doi.org/10.2210/pdb1WNO/pdb

• Classification: HYDROLASE
• Organism(s): Aspergillus fumigatus
• Mutation(s): No 


• Deposited: 2004-08-07 Released: 2005-03-15 
• Deposition Author(s): Hu, H., Wang, G., Yang, H., Zhou, J., Mo, L., Yang, K., Jin, C., Jin, C., Rao, Z.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.245 
• R-Value Work: 0.217 
• R-Value Observed: 0.230 

Literature

Crystal structure of a native chitinase from Aspergillus fumigatus YJ-407

Hu, H., Wang, G., Yang, H., Zhou, J., Mo, L., Yang, K., Jin, C., Jin, C., Rao, Z.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PQS (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 88.13 kDa 
• Atom Count: 6,775 
• Modelled Residue Count: 788 
• Deposited Residue Count: 790 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitinase	A, B	395	Aspergillus fumigatus	Mutation(s): 0  EC: 3.2.1.14
UniProt
Find proteins for Q873X9 (Aspergillus fumigatus) Explore Q873X9  Go to UniProtKB:  Q873X9

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDG	C [auth A]	2-acetamido-2-deoxy-alpha-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-PVFLNQBWSA-N
NAG	H [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
SO4	D [auth A], E [auth A], F [auth A], I [auth B], J [auth B], K [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
MG	G [auth A], L [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.245 
• R-Value Work: 0.217 
• R-Value Observed: 0.230 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 95.678	α = 90
b = 100.461	β = 90
c = 134.295	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-03-15 
Deposition Author(s): Hu, H., Wang, G., Yang, H., Zhou, J., Mo, L., Yang, K., Jin, C., Jin, C., Rao, Z.

Revision History  

• Version 1.0: 2005-03-15
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2024-03-13
  Changes: Data collection, Database references, Structure summary