8S67 | pdb_00008s67

Galectin-3 with a small molecule inhibitor

• PDB DOI: https://doi.org/10.2210/pdb8S67/pdb

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


• Deposited: 2024-02-26 Released: 2025-03-12 
• Deposition Author(s): Mac Sweeney, A., Sager, C.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 
  0.153 (Depositor), 0.160 (DCC) 
• R-Value Work: 
  0.136 (Depositor), 0.144 (DCC) 

Starting Model: experimental

Literature

Galectin-3 with a small molecule inhibitor

Remen, L., Zumbrunn, C., Sager, C.P., Grisostomi, C., Mac Sweeney, A., Gatfield, J., Huehn, E., Vercauteren, E., Fournier, E., Schmidt, G., Davenport, R., Iglarz, M., Nayler, O., Bolli, M.H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 16.26 kDa 
• Atom Count: 1,353 
• 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

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1H5A (Subject of Investigation/LOI)	B [auth A]	(2~{R},3~{R},4~{S},5~{R},6~{R})-6-[(1-~{tert}-butyl-1,2,3-triazol-4-yl)methyl]-2-(hydroxymethyl)-5-methoxy-4-[4-[3,4,5-tris(fluoranyl)phenyl]-1,2,3-triazol-1-yl]oxan-3-ol C22 H27 F3 N6 O4 ZPKMHNWTYSMRDV-XPSJOHQASA-N
SCN	C [auth A]	THIOCYANATE ION C N S ZMZDMBWJUHKJPS-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free:  0.153 (Depositor), 0.160 (DCC) 
• R-Value Work:  0.136 (Depositor), 0.144 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.448	α = 90
b = 56.887	β = 90
c = 61.153	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-12 
Deposition Author(s): Mac Sweeney, A., Sager, C.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-03-12
  Type: Initial release