3HKU

Human carbonic anhydrase II in complex with topiramate

Structural Biology Knowledgebase: 3HKU SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.198
  • R-Value Work: 0.153

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3HKU

Classification: LYASE

Total Structure Weight: 29694.04

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

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

A [(3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro- 3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-3a- yl]methyl sulfamate
topiramate (Synonym)
C12 H21 N O8 S
KJADKKWYZYXHBB-XBWDGYHZSA-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 %)
TOR IC50: 5 - 2100 nM (100) BindingDB
Kd: 13.8 - 290 nM (100) BindingDB
Ki: 5 - 10000 nM (100) BindingDB

N/A in BindingMoad
Ki: 5 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.198
  • R-Value Work: 0.153
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 42.26 α = 90.00
b = 41.43 β = 104.59
c = 72.44 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-05-25
  • Released Date: 2009-10-13
  • Deposition author(s): Paul, B., Poulsen, S.-A., Hofmann, A.

Revision History

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