4L6X

Crystal Structure of a GH48 cellobiohydrolase from Caldicellulosiruptor bescii

• PDB DOI: https://doi.org/10.2210/pdb4L6X/pdb

• Classification: Hydrolase, sugar binding protein
• Organism(s): Caldicellulosiruptor bescii DSM 6725
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-06-13 Released: 2014-05-28 
• Deposition Author(s): Jiao, A., Bai, A., Yan, F., Geng, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.233 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.216 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.217 (Depositor) 

Literature

Crystallization and preliminary X-ray analysis of a processive cellobiohydrolase CbCBH48A from Caldicellulosiruptor bescii

Jiao, A., Bai, A., Yan, F., Geng, W.

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)

Macromolecule Content

• Total Structure Weight: 74.75 kDa 
• Atom Count: 5,294 
• Modelled Residue Count: 627 
• Deposited Residue Count: 656 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glycoside hydrolase family 48	A	656	Caldicellulosiruptor bescii DSM 6725	Mutation(s): 0  Gene Names: Athe_1867 EC: 3.2.1.4
UniProt
Find proteins for B9MKU7 (Caldicellulosiruptor bescii (strain ATCC BAA-1888 / DSM 6725 / KCTC 15123 / Z-1320)) Explore B9MKU7  Go to UniProtKB:  B9MKU7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	B [auth A], C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.233 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.216 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.217 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 116.123	α = 90
b = 57.562	β = 102.57
c = 106.469	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-28 
Deposition Author(s): Jiao, A., Bai, A., Yan, F., Geng, W.

Revision History  

• Version 1.0: 2014-05-28
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references, Derived calculations