2AW1

Carbonic anhydrase inhibitors: Valdecoxib binds to a different active site region of the human isoform II as compared to the structurally related cyclooxygenase II "selective" inhibitor Celecoxib

Structural Biology Knowledgebase: 2AW1 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.46 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.185

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2AW1

Classification: LYASE

Total Structure Weight: 30060.74

Macromolecule Entities
Molecule Chains Length Organism Details
Carbonic anhydrase II A 259 Homo sapiens EC#: 4.2.1.1 IUBMB
Gene Name(s): CA2 Gene View

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HGB
Query on HGB

A 4-(HYDROXYMERCURY)BENZOIC ACID
C7 H6 Hg O3
WMHRYLDWLOGHSG-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
COX
Query on COX

A 4-(5-METHYL-3-PHENYLISOXAZOL-4-YL)BENZENESULFONAMIDE
VALDECOXIB (Synonym)
C16 H14 N2 O3 S
LNPDTQAFDNKSHK-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
COX IC50: 43 nM (100) BindingDB
Ki: 43 - 43000 nM (100) BindingDB

Ki: 43 nM  BindingMOAD
Ki: 43 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.46 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.185
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 42.05 α = 90.00
b = 41.32 β = 104.26
c = 71.76 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-08-31
  • Released Date: 2006-07-04
  • Deposition author(s): Di Fiore, A., Pedone, C., D'Ambrosio, K., Scozzafava, A., De Simone, G., Supuran, C.T.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update