2EXG

Making Protein-Protein Interactions Drugable: Discovery of Low-Molecular-Weight Ligands for the AF6 PDZ Domain

• PDB DOI: https://doi.org/10.2210/pdb2EXG/pdb

• Classification: CELL ADHESION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-11-08 Released: 2006-10-17 
• Deposition Author(s): Joshi, M., Vargas, C., Boisguerin, P., Krause, G., Schade, M., Oschkinat, H.

---

Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: target function 

Literature

Discovery of low-molecular-weight ligands for the AF6 PDZ domain.

Joshi, M., Vargas, C., Boisguerin, P., Diehl, A., Krause, G., Schmieder, P., Moelling, K., Hagen, V., Schade, M., Oschkinat, H.

(2006) Angew Chem Int Ed Engl 45: 3790-3795

• PubMed: 16671149 
• DOI: https://doi.org/10.1002/anie.200503965
• Primary Citation of Related Structures:  
  1XZ9, 2EXG

---

Organizational Affiliation: 

Leibniz-Institut für Molekulare Pharmakologie FMP, Robert-Roessle-Strasse 10, 13125 Berlin, Germany.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 10.68 kDa 
• Atom Count: 745 
• Modelled Residue Count: 101 
• Deposited Residue Count: 101 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Afadin	A	101	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P55196 (Homo sapiens) Explore P55196  Go to UniProtKB:  P55196
PHAROS:  P55196 GTEx:  ENSG00000130396

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
STF	B [auth A]	(5R)-2-SULFANYL-5-[4-(TRIFLUOROMETHYL)BENZYL]-1,3-THIAZOL-4-ONE C11 H8 F3 N O S2 HBYVUUWMCCSRBI-MRVPVSSYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
STF	PDBBind:  2EXG	Kd: 5.00e+4 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: target function 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-17 
Deposition Author(s): Joshi, M., Vargas, C., Boisguerin, P., Krause, G., Schade, M., Oschkinat, H.

Revision History  

• Version 1.0: 2006-10-17
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2022-03-09
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-05-22
  Changes: Data collection