4BLJ

Galectin-3c in complex with Bisamido-thiogalactoside derivate 2

• PDB DOI: https://doi.org/10.2210/pdb4BLJ/pdb

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


• Deposited: 2013-05-03 Released: 2014-05-14 
• Deposition Author(s): Noresson, A.L., Oberg, C.T., Engstrom, O., Hakansson, M., Logan, D.T., Leffler, H., Nilsson, U.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.20 Å
• R-Value Free: 0.177 
• R-Value Observed: 0.123 

Starting Model: experimental

Literature

Controlling Protein Conformation Through Electronic Fine-Tuning of Arginine-Arene Interactions: Synthetic, Structural, and Biological Studies

Noresson, A.L., Oberg, C.T., Engstrom, O., Hakansson, M., Logan, D.T., Leffler, H., Nilsson, U.J.

To be published.

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: 16.36 kDa 
• Atom Count: 1,572 
• Modelled Residue Count: 138 
• Deposited Residue Count: 138 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GALECTIN-3	A	138	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P17931 (Homo sapiens) Explore P17931  Go to UniProtKB:  P17931
GTEx:  ENSG00000131981

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
70B	B [auth A]	Bis-(3-deoxy-3-(3-methoxy-benzamido)-b-D-galactopyranosyl)-sulfide C28 H36 N2 O12 S QBKIEMZLDPHISU-CWKIZLMASA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
70B	BindingDB:  4BLJ	Kd: 2100 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.20 Å
• R-Value Free: 0.177 
• R-Value Observed: 0.123 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.24	α = 90
b = 57.88	β = 90
c = 62.56	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-14 
Deposition Author(s): Noresson, A.L., Oberg, C.T., Engstrom, O., Hakansson, M., Logan, D.T., Leffler, H., Nilsson, U.J.

Revision History  

• Version 1.0: 2014-05-14
  Type: Initial release
  
• Version 1.1: 2018-01-17
  Changes: Data collection
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description