4Q1P | pdb_00004q1p

Galectin-1 in Complex with Ligand NB169

• PDB DOI: https://doi.org/10.2210/pdb4Q1P/pdb

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


• Deposited: 2014-04-04 Released: 2015-10-07 
• Deposition Author(s): Grimm, C., Bertleff-Zieschang, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.46 Å
• R-Value Free: 
  0.188 (Depositor), 0.190 (DCC) 
• R-Value Work: 
  0.149 (Depositor), 0.151 (DCC) 
• R-Value Observed: 
  0.151 (Depositor) 

Literature

Galectin-1 in Complex with Ligand NB169

Grimm, C., Bertleff-Zieschang, N.

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.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 31.4 kDa 
• Atom Count: 2,506 
• Modeled Residue Count: 266 
• Deposited Residue Count: 272 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-1	A, B	136	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
2XT	C [auth A], F [auth B]	propyl 2-(acetylamino)-4-O-{3-O-[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]-beta-D-galactopyranosyl}-2-deoxy-beta-D-glucopyranoside C27 H40 N4 O11 GGSLGSZWTJXVOE-UNBRQLBDSA-N
SO4	E [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
BME	D [auth A]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.46 Å
• R-Value Free:  0.188 (Depositor), 0.190 (DCC) 
• R-Value Work:  0.149 (Depositor), 0.151 (DCC) 
• R-Value Observed: 0.151 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.267	α = 90
b = 58.373	β = 90
c = 111.066	γ = 90

Software Package:

Software Name	Purpose
DNA	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-10-07 
Deposition Author(s): Grimm, C., Bertleff-Zieschang, N.

Revision History  

• Version 1.0: 2015-10-07
  Type: Initial release
  
• Version 1.1: 2025-03-26
  Changes: Data collection, Database references, Derived calculations, Structure summary