4I4U

BEL beta-trefoil complex with galactose

• PDB DOI: https://doi.org/10.2210/pdb4I4U/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Boletus edulis
• Mutation(s): No 


• Deposited: 2012-11-28 Released: 2013-04-24 
• Deposition Author(s): Bovi, M., Cenci, L., Perduca, M., Capaldi, S., Carrizo, M.E., Civiero, L., Chiarelli, L.R., Galliano, M., Monaco, H.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.57 Å
• R-Value Free: 0.224 
• R-Value Work: 0.199 
• R-Value Observed: 0.200 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 generated by PISA (software)

Biological Assembly 5  

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

Biological assembly 5 generated by PISA (software)

Biological Assembly 6  

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

Biological assembly 6 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 68.57 kDa 
• Atom Count: 5,492 
• Modelled Residue Count: 584 
• Deposited Residue Count: 584 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BEL beta-trefoil	A, B, C, D	146	Boletus edulis	Mutation(s): 0
UniProt
Find proteins for R4GRU5 (Boletus edulis) Explore R4GRU5  Go to UniProtKB:  R4GRU5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GLA	E [auth A], F [auth A], G [auth A], H [auth B], I [auth B], L [auth D], M [auth D], N [auth D]	alpha-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-PHYPRBDBSA-N
TRS	J [auth B], K [auth C]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.57 Å
• R-Value Free: 0.224 
• R-Value Work: 0.199 
• R-Value Observed: 0.200 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.4	α = 90
b = 70.01	β = 106.57
c = 71.63	γ = 90

Software Package:

Software Name	Purpose
MxCuBE	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-24 
Deposition Author(s): Bovi, M., Cenci, L., Perduca, M., Capaldi, S., Carrizo, M.E., Civiero, L., Chiarelli, L.R., Galliano, M., Monaco, H.L.

Revision History  

• Version 1.0: 2013-04-24
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Refinement description, Structure summary