5FU3

The complexity of the Ruminococcus flavefaciens cellulosome reflects an expansion in glycan recognition

• PDB DOI: https://doi.org/10.2210/pdb5FU3/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Ruminococcus flavefaciens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2016-01-20 Released: 2016-06-22 
• Deposition Author(s): Basle, A., Luis, A.S., Venditto, I., Gilbert, H.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.260 
• R-Value Work: 0.195 
• R-Value Observed: 0.198 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24.7 kDa 
• Atom Count: 1,655 
• Modelled Residue Count: 193 
• Deposited Residue Count: 212 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CBM74-RFGH5	A, B	106	Ruminococcus flavefaciens	Mutation(s): 0
UniProt
Find proteins for A0A1A9TAF4 (Ruminococcus flavefaciens) Explore A0A1A9TAF4  Go to UniProtKB:  A0A1A9TAF4

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	C, D	3		N/A
Glycosylation Resources
GlyTouCan:  G14338VK GlyCosmos:  G14338VK GlyGen:  G14338VK

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	E [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900021	C, D	beta-cellotriose	Oligosaccharide / Metabolism

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.260 
• R-Value Work: 0.195 
• R-Value Observed: 0.198 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.914	α = 90
b = 54.753	β = 94.67
c = 43.986	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-06-22 
Deposition Author(s): Basle, A., Luis, A.S., Venditto, I., Gilbert, H.J.

Revision History  

• Version 1.0: 2016-06-22
  Type: Initial release
  
• Version 1.1: 2016-07-13
  Changes: Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary
• Version 2.1: 2024-01-10
  Changes: Data collection, Database references, Refinement description, Structure summary