9F0M | pdb_00009f0m

Crystal structure of Ta_Cel5A E133Q Y200F variant in complex with cellopentaose

• PDB DOI: https://doi.org/10.2210/pdb9F0M/pdb

• Classification: HYDROLASE
• Organism(s): Thermoascus aurantiacus ATCC 26904
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2024-04-17 Released: 2025-04-30 
• Deposition Author(s): Dutoit, R.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.63 Å
• R-Value Free: 
  0.174 (Depositor), 0.172 (DCC) 
• R-Value Work: 
  0.143 (Depositor), 0.141 (DCC) 
• R-Value Observed: 
  0.144 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Ta_Cel5A E133Q Y200F variant in complex with cellopentaose

Dutoit, R.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 69.91 kDa 
• Atom Count: 6,024 
• Modeled Residue Count: 609 
• Deposited Residue Count: 612 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
cellulase	A, B	306	Thermoascus aurantiacus ATCC 26904	Mutation(s): 2  Gene Names: eg1 EC: 3.2.1.4
UniProt
Find proteins for Q8TG26 (Thermoascus aurantiacus) Explore Q8TG26  Go to UniProtKB:  Q8TG26

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose	C, D	5		N/A
Glycosylation Resources
GlyTouCan:  G91683DU GlyCosmos:  G91683DU

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	I [auth B], J [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth A], F [auth A], G [auth B], H [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.63 Å
• R-Value Free:  0.174 (Depositor), 0.172 (DCC) 
• R-Value Work:  0.143 (Depositor), 0.141 (DCC) 
• R-Value Observed: 0.144 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.39	α = 90
b = 85.42	β = 90
c = 89.31	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XSCALE	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-04-30 
Deposition Author(s): Dutoit, R.

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Funding Organization	Location	Grant Number
Other government	Belgium	BAG 20210875

Revision History  

• Version 1.0: 2025-04-30
  Type: Initial release