4WVW

Chicken Galectin-8 N-terminal domain complexed with 3'-sialyl-lactose

• PDB DOI: https://doi.org/10.2210/pdb4WVW/pdb

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


• Deposited: 2014-11-07 Released: 2015-09-23 
• Deposition Author(s): Ruiz, F.M., Romero, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.47 Å
• R-Value Free: 0.194 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 17.26 kDa 
• Atom Count: 1,428 
• Modelled Residue Count: 144 
• Deposited Residue Count: 144 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin	A	144	Gallus gallus	Mutation(s): 0
UniProt
Find proteins for Q1W2P6 (Gallus gallus) Explore Q1W2P6  Go to UniProtKB:  Q1W2P6

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-alpha-D-glucopyranose	B	3		N/A
Glycosylation Resources
GlyTouCan:  G92323ZH GlyCosmos:  G92323ZH GlyGen:  G92323ZH

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	C [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900025	B	3'-sialyl-alpha-lactose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.47 Å
• R-Value Free: 0.194 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.459	α = 90
b = 56.459	β = 90
c = 198.987	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-09-23 
Deposition Author(s): Ruiz, F.M., Romero, A.

Revision History  

• Version 1.0: 2015-09-23
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2024-01-10
  Changes: Data collection, Database references, Refinement description, Structure summary