7WHA

The mutant crystal structure of b-1,4-Xylanase (XynAF1_R246K)

• PDB DOI: https://doi.org/10.2210/pdb7WHA/pdb

• Classification: HYDROLASE
• Organism(s): Aspergillus fumigatus
• Expression System: Komagataella pastoris
• Mutation(s): Yes 


• Deposited: 2021-12-30 Released: 2023-01-25 
• Deposition Author(s): Li, G.Q., Zhang, R.F.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 0.183 
• R-Value Work: 0.154 
• R-Value Observed: 0.155 

Literature

The mutant crystal structure of b-1,4-Xylanase (XynAF1_R246K)

Li, G.Q., Zhang, R.F.

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)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 70.92 kDa 
• Atom Count: 5,295 
• Modelled Residue Count: 638 
• Deposited Residue Count: 658 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-xylanase	A, B	329	Aspergillus fumigatus	Mutation(s): 1  Gene Names: CDV57_00377 EC: 3.2.1.8
UniProt
Find proteins for Q4WLG5 (Aspergillus fumigatus (strain ATCC MYA-4609 / CBS 101355 / FGSC A1100 / Af293)) Explore Q4WLG5  Go to UniProtKB:  Q4WLG5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	C [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
GOL	D [auth A], E [auth A], F [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 0.183 
• R-Value Work: 0.154 
• R-Value Observed: 0.155 
• Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.165	α = 90
b = 85.939	β = 90
c = 97.831	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-3000	data reduction
REFMAC	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-25 
Deposition Author(s): Li, G.Q., Zhang, R.F.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2023-01-25
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description