6F83

Crystal Structure of Human Galectin-1 in Complex With Thienyl-1,2, 3-triazolyl Thiodigalactoside Inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.171 
  • R-Value Observed: 0.173 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Aromatic heterocycle galectin-1 interactions for selective single-digit nM affinity ligands

Peterson, A.Collins, P.M.Kahl-Knutsson, B.Zetterberg, F.R.Blanchard, H.Leffler, H.Nilsson, U.J.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Galectin-1
A, B
134Homo sapiensMutation(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 Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP09382
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
5KT (Subject of Investigation/LOI)
Query on 5KT

Download Ideal Coordinates CCD File 
C [auth A],
D [auth B]
3-deoxy-3-[4-(thiophen-3-yl)-1H-1,2,3-triazol-1-yl]-beta-D-galactopyranosyl 3-deoxy-1-thio-3-[4-(thiophen-3-yl)-1H-1,2,3-triazol-1-yl]-beta-D-galactopyranoside
C24 H28 N6 O8 S3
OYKAQKLJBYMZSV-VLLPDFJVSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
CME
Query on CME
A, B
L-PEPTIDE LINKINGC5 H11 N O3 S2CYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.171 
  • R-Value Observed: 0.173 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 44.447α = 90
b = 58.689β = 90
c = 112.353γ = 90
Software Package:
Software NamePurpose
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
PROTEUM PLUSdata reduction
REFMACphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Cancer Council QueenslandAustraliaID1080845

Revision History  (Full details and data files)

  • Version 1.0: 2019-01-30
    Type: Initial release
  • Version 1.1: 2024-01-17
    Changes: Data collection, Database references, Refinement description