6FK2

Galectin-3 carbohydrate recognition domain in complex with lactitol

• PDB DOI: https://doi.org/10.2210/pdb6FK2/pdb

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


• Deposited: 2018-01-23 Released: 2019-02-06 
• Deposition Author(s): Doran, S.M.C., Faba Rodriguez, R., Hemmings, A.M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.01 Å
• R-Value Free: 0.141 
• R-Value Work: 0.134 
• R-Value Observed: 0.134 

Literature

Ligand specificity at the D-site of human Galectin-3 Carbohydrate Recognition Domain

Doran, S.M.C., Faba Rodriguez, R., Hemmings, A.M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 16.05 kDa 
• Atom Count: 1,343 
• Modelled Residue Count: 138 
• Deposited Residue Count: 138 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-3	A	138	Homo sapiens	Mutation(s): 0  Gene Names: LGALS3, MAC2
UniProt & NIH Common Fund Data Resources
Find proteins for P17931 (Homo sapiens) Explore P17931  Go to UniProtKB:  P17931
PHAROS:  P17931 GTEx:  ENSG00000131981

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-sorbitol	B	2		N/A
Glycosylation Resources
GlyTouCan:  G26039ES GlyCosmos:  G26039ES GlyGen:  G26039ES

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.01 Å
• R-Value Free: 0.141 
• R-Value Work: 0.134 
• R-Value Observed: 0.134 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.295	α = 90
b = 57.631	β = 90
c = 62.604	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-02-06 
Deposition Author(s): Doran, S.M.C., Faba Rodriguez, R., Hemmings, A.M.

Revision History  

• Version 1.0: 2019-02-06
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description, Structure summary