5YJ6

The exoglucanase CelS from Clostridium thermocellum

• PDB DOI: https://doi.org/10.2210/pdb5YJ6/pdb

• Classification: HYDROLASE
• Organism(s): Acetivibrio thermocellus DSM 1313
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-10-09 Released: 2018-01-31 
• Deposition Author(s): Liu, Y.J., Liu, S.Y., Dong, S., Li, R.M., Feng, Y.G., Cui, Q.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 0.181 
• R-Value Work: 0.152 
• R-Value Observed: 0.152 

Literature

Determination of the native features of the exoglucanase Cel48S from Clostridium thermocellum

Liu, Y.J., Liu, S., Dong, S., Li, R., Feng, Y., Cui, Q.

(2018) Biotechnol Biofuels 11: 6-6

• PubMed: 29344087 
• DOI: https://doi.org/10.1186/s13068-017-1009-4
• Primary Citation of Related Structures:  
  5YJ6


• PubMed Abstract: 
  

  Clostridium thermocellum is considered one of the most efficient natural cellulose degraders because of its cellulosomal system. As the major exoglucanase of cellulosome in C. thermocellum , Cel48S plays key roles and influences the activity and features of cellulosome to a great extent. Thus, it is of great importance to reveal the enzymatic features of Cel48S. However, Cel48S has not been well performed due to difficulties in purifying either recombinant or native Cel48S proteins.

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Organizational Affiliation: 

1Shandong Provincial Key Laboratory of Energy Genetics, CAS Key Laboratory of Biofuels, Qingdao Engineering Laboratory of Single Cell Oil, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 People's Republic of China.

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: 74.94 kDa 
• Atom Count: 6,045 
• Modelled Residue Count: 636 
• Deposited Residue Count: 655 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dockerin type I repeat-containing protein	A	655	Acetivibrio thermocellus DSM 1313	Mutation(s): 0  Gene Names: SAMN04515622_0728
UniProt
Find proteins for C7ED31 (Acetivibrio thermocellus (strain DSM 1313 / LMG 6656 / LQ8)) Explore C7ED31  Go to UniProtKB:  C7ED31

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
33O	B [auth A]	3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxaoctatriacontane-1,38-diol C26 H54 O14 AKWFJQNBHYVIPY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 0.181 
• R-Value Work: 0.152 
• R-Value Observed: 0.152 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 96.003	α = 90
b = 101.065	β = 90
c = 58.975	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-01-31 
Deposition Author(s): Liu, Y.J., Liu, S.Y., Dong, S., Li, R.M., Feng, Y.G., Cui, Q.

Revision History  

• Version 1.0: 2018-01-31
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description