2J1U

Structure of a Streptococcus pneumoniae fucose binding module in complex with the blood group A-tetrasaccharide

• PDB DOI: https://doi.org/10.2210/pdb2J1U/pdb

• Classification: CARBOHYDRATE-BINDING PROTEIN
• Organism(s): Streptococcus pneumoniae TIGR4
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-08-15 Released: 2006-09-06 
• Deposition Author(s): Boraston, A.B., Wang, D., Burke, R.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.236 
• R-Value Work: 0.171 
• R-Value Observed: 0.174 

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 34.46 kDa 
• Atom Count: 2,657 
• Modelled Residue Count: 278 
• Deposited Residue Count: 302 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FUCOLECTIN-RELATED PROTEIN	A, B	151	Streptococcus pneumoniae TIGR4	Mutation(s): 0
UniProt
Find proteins for A0A0H2US34 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore A0A0H2US34  Go to UniProtKB:  A0A0H2US34

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose-(1-4)-beta-D-glucopyranose	C	4		N/A
Glycosylation Resources
GlyTouCan:  G19524AS GlyCosmos:  G19524AS GlyGen:  G19524AS

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	D [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.236 
• R-Value Work: 0.171 
• R-Value Observed: 0.174 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.649	α = 90
b = 60.372	β = 90
c = 99.087	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-06 
Deposition Author(s): Boraston, A.B., Wang, D., Burke, R.D.

Revision History  

• Version 1.0: 2006-09-06
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary