2Y8V | pdb_00002y8v

Structure of chitinase, ChiC, from Aspergillus fumigatus.

• PDB DOI: https://doi.org/10.2210/pdb2Y8V/pdb

• Classification: HYDROLASE
• Organism(s): Aspergillus fumigatus Af293
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-02-10 Released: 2012-02-22 
• Deposition Author(s): Rush, C.L., Schuettelkopf, A.W., Gay, L.M., van Aalten, D.M.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free: 
  0.213 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.169 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.170 (Depositor) 

Literature

Structure of Chitinase, Chic, from Aspergillus Fumigatus.

Rush, C.L., Van Aalten, D.M.F.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 130.03 kDa 
• Atom Count: 9,395 
• Modelled Residue Count: 1,118 
• Deposited Residue Count: 1,160 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CLASS III CHITINASE, PUTATIVE	A, B, C, D	290	Aspergillus fumigatus Af293	Mutation(s): 0  EC: 3.2.1.14
UniProt
Find proteins for Q4WEQ6 (Aspergillus fumigatus (strain ATCC MYA-4609 / CBS 101355 / FGSC A1100 / Af293)) Explore Q4WEQ6  Go to UniProtKB:  Q4WEQ6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	E [auth C]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free:  0.213 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.169 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.170 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.137	α = 90
b = 145.748	β = 93.29
c = 82.899	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-02-22 
Deposition Author(s): Rush, C.L., Schuettelkopf, A.W., Gay, L.M., van Aalten, D.M.F.

Revision History  

• Version 1.0: 2012-02-22
  Type: Initial release
  
• Version 1.1: 2014-07-16
  Changes: Atomic model
• Version 1.2: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other