8HT0 | pdb_00008ht0

Improved thermostability of a glucose-tolerant glycosidase based on its X-ray crystal structure

• PDB DOI: https://doi.org/10.2210/pdb8HT0/pdb

• Classification: HYDROLASE
• Organism(s): Caldibacillus thermoamylovorans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-12-20 Released: 2023-12-20 
• Deposition Author(s): Dong, P.P., Wu, Y.K.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.226 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Starting Model: experimental

Literature

Improved thermostability of a glucose-tolerant glycosidase based on its X-ray crystal structure

Dong, P.P., Wu, Y.K.

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

Macromolecule Content 

• Total Structure Weight: 51.94 kDa 
• Atom Count: 4,041 
• Modeled Residue Count: 445 
• Deposited Residue Count: 447 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-glucosidase	A	447	Caldibacillus thermoamylovorans	Mutation(s): 0  Gene Names: CQJ30_16875 EC: 3.2.1.21

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.226 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 166.3	α = 90
b = 166.3	β = 90
c = 122.41	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-20 
Deposition Author(s): Dong, P.P., Wu, Y.K.

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

Revision History  

• Version 1.0: 2023-12-20
  Type: Initial release