2WEH

Thermodynamic Optimisation of Carbonic Anhydrase Fragment Inhibitors

• PDB DOI: https://doi.org/10.2210/pdb2WEH/pdb

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


• Deposited: 2009-03-31 Released: 2009-11-10 
• Deposition Author(s): Scott, A.D., Phillips, C., Alex, A., Bent, A., O'Brien, R., Damian, L., Jones, L.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free: 0.241 
• R-Value Work: 0.165 
• R-Value Observed: 0.169 

Literature

Thermodynamic Optimisation in Drug Discovery: A Case Study Using Carbonic Anhydrase Inhibitors.

Scott, A.D., Phillips, C., Alex, A., Flocco, M., Bent, A., Randall, A., O'Brien, R., Damian, L., Jones, L.H.

(2009) ChemMedChem 4: 1985

• PubMed: 19882701 
• DOI: https://doi.org/10.1002/cmdc.200900386
• Primary Citation of Related Structures:  
  2WEG, 2WEH, 2WEJ, 2WEO

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Organizational Affiliation: 

Pfizer Global Research & Development, Sandwich Laboratories, Ramsgate Road, Sandwich, Kent CT13 9NU., UK. [e-mail]

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 29.51 kDa 
• Atom Count: 2,213 
• Modelled Residue Count: 258 
• Deposited Residue Count: 259 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CARBONIC ANHYDRASE 2	A	259	Homo sapiens	Mutation(s): 0  EC: 4.2.1.1 (PDB Primary Data), 4.2.1.69 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P00918 (Homo sapiens) Explore P00918  Go to UniProtKB:  P00918
PHAROS:  P00918 GTEx:  ENSG00000104267

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FB1	C [auth A]	2-CHLOROBENZENESULFONAMIDE C6 H6 Cl N O2 S JCCBZCMSYUSCFM-UHFFFAOYSA-N
GOL	D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
FB1	PDBBind:  2WEH	Kd: 1125 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free: 0.241 
• R-Value Work: 0.165 
• R-Value Observed: 0.169 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.432	α = 90
b = 41.223	β = 104.26
c = 72.038	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-11-10 
Deposition Author(s): Scott, A.D., Phillips, C., Alex, A., Bent, A., O'Brien, R., Damian, L., Jones, L.H.

Revision History  

• Version 1.0: 2009-11-10
  Type: Initial release
  
• Version 1.1: 2011-06-09
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other