8B0W | pdb_00008b0w

Galectin-1 in Complex with Ligand MG49

• PDB DOI: https://doi.org/10.2210/pdb8B0W/pdb

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


• Deposited: 2022-09-08 Released: 2023-09-20 
• Deposition Author(s): Grimm, C., Mut, J., Seibel, J.
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 
  0.208 (Depositor), 0.207 (DCC) 
• R-Value Work: 
  0.183 (Depositor), 0.182 (DCC) 
• R-Value Observed: 
  0.184 (Depositor) 

Starting Model: experimental

Literature

Galectin-1 in Complex with Ligand MG49

Grimm, C., Mut, J., Seibel, J.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 30.62 kDa 
• Atom Count: 2,433 
• Modeled Residue Count: 266 
• Deposited Residue Count: 266 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-1	A	133	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	133	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

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
OVD	D [auth A], F [auth B]	~{N}-[(2~{R},3~{R},4~{R},5~{S},6~{R})-6-(hydroxymethyl)-5-[(2~{S},3~{R},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-3,5-bis(oxidanyl)-4-(1~{H}-1,2,3-triazol-4-ylmethoxy)oxan-2-yl]oxy-4-oxidanyl-2-propoxy-oxan-3-yl]ethanamide C20 H34 N4 O11 BHUHIMJWCDUIMU-MRHFAZSRSA-N
SO4	E [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
BME	C [auth A]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CME	A	L-PEPTIDE LINKING	C5 H11 N O3 S2		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free:  0.208 (Depositor), 0.207 (DCC) 
• R-Value Work:  0.183 (Depositor), 0.182 (DCC) 
• R-Value Observed: 0.184 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.388	α = 90
b = 58.153	β = 90
c = 110.901	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-09-20 
Deposition Author(s): Grimm, C., Mut, J., Seibel, J.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	326998133

Revision History  

• Version 1.0: 2023-09-20
  Type: Initial release
  
• Version 1.1: 2026-03-04
  Changes: Refinement description, Structure summary