2NMN

Crystal structure of human galectin-3 carbohydrate-recognising domain at 2.45 angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb2NMN/pdb

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


• Deposited: 2006-10-23 Released: 2007-03-06 
• Deposition Author(s): Blanchard, H., Collins, P.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.237 
• R-Value Work: 0.163 
• R-Value Observed: 0.167 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 16.04 kDa 
• Atom Count: 1,185 
• 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
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)-beta-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G84224TW GlyCosmos:  G84224TW GlyGen:  G84224TW

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900004	B	beta-lactose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.237 
• R-Value Work: 0.163 
• R-Value Observed: 0.167 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.341	α = 90
b = 58.238	β = 90
c = 63.731	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PROTEUM PLUS	data collection
SAINT	data reduction
LSCALE	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-03-06 
Deposition Author(s): Blanchard, H., Collins, P.M.

Revision History  

• Version 1.0: 2007-03-06
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary