2ABE

Carbonic anhydrase activators: X-ray crystal structure of the adduct of human isozyme II with L-histidine as a platform for the design of stronger activators

Structural Biology Knowledgebase: 2ABE SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.182

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2ABE

Classification: LYASE

Total Structure Weight: 29780.82

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 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HG
Query on HG

A MERCURY (II) ION
Hg
BQPIGGFYSBELGY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HIS
Query on HIS

A HISTIDINE
C6 H10 N3 O2
HNDVDQJCIGZPNO-YFKPBYRVSA-O
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 %)
HIS N/A in BindingDB
Ki: 113000 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.182
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 42.70 α = 90.00
b = 41.79 β = 104.47
c = 72.83 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-07-15
  • Released Date: 2005-10-25
  • Deposition author(s): Temperini, C., Scozzafava, A., Puccetti, L., Supuran, C.T.

Revision History

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