1KJL

High Resolution X-Ray Structure of Human Galectin-3 in complex with LacNAc

• PDB DOI: https://doi.org/10.2210/pdb1KJL/pdb

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


• Deposited: 2001-12-04 Released: 2005-04-12 
• Deposition Author(s): Sorme, P., Arnoux, P., Kahl-Knutsson, B., Leffler, H., Rini, J.M., Nilsson, U.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.217 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 16.95 kDa 
• Atom Count: 1,324 
• Modelled Residue Count: 138 
• Deposited Residue Count: 146 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-3	A	146	Homo sapiens	Mutation(s): 0
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)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G00055MO GlyCosmos:  G00055MO GlyGen:  G00055MO

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BR	D [auth A], E [auth A]	BROMIDE ION Br CPELXLSAUQHCOX-UHFFFAOYSA-M
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.217 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.6	α = 90
b = 58.4	β = 90
c = 64	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-04-12 
Deposition Author(s): Sorme, P., Arnoux, P., Kahl-Knutsson, B., Leffler, H., Rini, J.M., Nilsson, U.J.

Revision History  

• Version 1.0: 2005-04-12
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-08-16
  Changes: Data collection, Database references, Refinement description, Structure summary