3LN1

Structure of celecoxib bound at the COX-2 active site

Structural Biology Knowledgebase: 3LN1 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.232

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3LN1

Classification: OXIDOREDUCTASE

Total Structure Weight: 278189.89

Macromolecule Entities
Molecule Chains Length Organism Details
Prostaglandin G/H synthase 2 A, B, C, D 587 Mus musculus EC#: 1.14.99.1 IUBMB
Gene Name(s): Ptgs2 Cox-2 Cox2 Pghs-b Tis10

Membrane Protein

Source: inferred by homology | Group: MONOTOPIC MEMBRANE PROTEINS

Subgroup Name: Cyclooxygenases

Protein Name: Cyclooxygenase-2


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

A, B, C, D PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CEL
Query on CEL

A, B, C, D 4-[5-(4-METHYLPHENYL)-3-(TRIFLUOROMETHYL)- 1H-PYRAZOL-1-YL]BENZENESULFONAMIDE
CELECOXIB (Synonym)
C17 H14 F3 N3 O2 S
RZEKVGVHFLEQIL-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BOG
Query on BOG

A, D B-OCTYLGLUCOSIDE
C14 H28 O6
HEGSGKPQLMEBJL-RKQHYHRCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A, B, C, D N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CEL IC50: 0.51 - 3600 nM (87 - 100) BindingDB
Ki: 340 - 960 nM (87) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.232
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 180.94 α = 90.00
b = 135.38 β = 90.00
c = 124.08 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2010-02-01
  • Released Date: 2010-10-27
  • Deposition author(s): Kiefer, J.R., Kurumbail, R.G., Stallings, W.C., Pawlitz, J.L.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4