3OY8

Crystal structure of human galectin-1 in complex with lactobionic acid

• PDB DOI: https://doi.org/10.2210/pdb3OY8/pdb

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


• Deposited: 2010-09-23 Released: 2010-11-03 
• Deposition Author(s): Blanchard, H., Collins, P.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free: 0.226 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 30.19 kDa 
• Atom Count: 2,276 
• Modelled Residue Count: 268 
• Deposited Residue Count: 268 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-1	A	134	Homo sapiens	Mutation(s): 0  Gene Names: LGALS1
UniProt & NIH Common Fund Data Resources
Find proteins for P09382 (Homo sapiens) Explore P09382  Go to UniProtKB:  P09382
PHAROS:  P09382 GTEx:  ENSG00000100097

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-1	B	134	Homo sapiens	Mutation(s): 0  Gene Names: LGALS1
UniProt & NIH Common Fund Data Resources
Find proteins for P09382 (Homo sapiens) Explore P09382  Go to UniProtKB:  P09382
PHAROS:  P09382 GTEx:  ENSG00000100097

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-D-gluconic acid	C, D	2		N/A
Glycosylation Resources
GlyTouCan:  G18874TB GlyCosmos:  G18874TB

Small Molecules

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CME	A	L-PEPTIDE LINKING	C5 H11 N O3 S2		CYS
CSO	A	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free: 0.226 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.711	α = 90
b = 58.57	β = 90
c = 111.622	γ = 90

Software Package:

Software Name	Purpose
PROTEUM PLUS	data collection
REFMAC	refinement
SAINT	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-03 
Deposition Author(s): Blanchard, H., Collins, P.M.

Revision History  

• Version 1.0: 2010-11-03
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary