3MHC

Crystal structure of human cabonic anhydrase II in adduct with an adamantyl analogue of acetazolamide in a novel hydrophobic binding pocket


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.212
  • R-Value Work: 0.166

Literature

Macromolecules
Sequence Display for 3MHC

Classification: LYASE

Total Structure Weight: 29696.91

Macromolecule Entities
Molecule Chains Length Organism Details
Carbonic anhydrase 2 A 260 Homo sapiens EC#: 4.2.1.1 IUBMB
Gene Name(s): CA2 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A (3S,5S,7S)-N-(5-sulfamoyl-1,3,4-thiadiazol- 2-yl)tricyclo[3.3.1.1~3,7~]decane-1-carboxamide
3, (Synonym)
C13 H18 N4 O3 S2
NBKDQESIWDNDOT-LZFPZTGBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
ARZ Ki: 10 nM (100) BindingDB

Ki: 11 nM  BindingMOAD
Ki: 11 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.212
  • R-Value Work: 0.166
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.24 α = 90.00
b = 41.35 β = 104.24
c = 71.90 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2010-04-07
  • Released Date: 2010-07-21
  • Deposition author(s): Avvaru, B.S.

Revision History

  • 2011-07-13
    Type: Version format compliance