3ACH

Crystal Structure of Carbohydrate-Binding Module Family 28 from Clostridium josui Cel5A in complex with cellotetraose

• PDB DOI: https://doi.org/10.2210/pdb3ACH/pdb

• Classification: HYDROLASE
• Organism(s): Ruminiclostridium josui
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-01-04 Released: 2010-03-02 
• Deposition Author(s): Tsukimoto, K., Takada, R., Araki, Y., Suzuki, K., Karita, S., Wakagi, T., Shoun, H., Watanabe, T., Fushinobu, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.198 
• R-Value Work: 0.162 
• R-Value Observed: 0.164 

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: 23.19 kDa 
• Atom Count: 1,898 
• Modelled Residue Count: 193 
• Deposited Residue Count: 203 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-1,4-endoglucanase	A	203	Ruminiclostridium josui	Mutation(s): 0  Gene Names: celA EC: 3.2.1.4
UniProt
Find proteins for Q59290 (Ruminiclostridium josui) Explore Q59290  Go to UniProtKB:  Q59290

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	B	4		N/A
Glycosylation Resources
GlyTouCan:  G00025MO GlyCosmos:  G00025MO GlyGen:  G00025MO

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	D [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900011	B	beta-cellotetraose	Oligosaccharide / Metabolism

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.198 
• R-Value Work: 0.162 
• R-Value Observed: 0.164 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.576	α = 90
b = 63.9	β = 90
c = 75.619	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-03-02 
Deposition Author(s): Tsukimoto, K., Takada, R., Araki, Y., Suzuki, K., Karita, S., Wakagi, T., Shoun, H., Watanabe, T., Fushinobu, S.

Revision History  

• Version 1.0: 2010-03-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2013-10-30
  Changes: Database references
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-11-01
  Changes: Data collection, Database references, Refinement description, Structure summary