3CA2

CRYSTALLOGRAPHIC STUDIES OF INHIBITOR BINDING SITES IN HUMAN CARBONIC ANHYDRASE II. A PENTACOORDINATED BINDING OF THE SCN-ION TO THE ZINC AT HIGH P*H

Structural Biology Knowledgebase: 3CA2 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.192

Literature

Macromolecules
Sequence Display for 3CA2

Classification: LYASE(OXO-ACID)

Total Structure Weight: 29996.45

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
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A 3-MERCURI-4-AMINOBENZENESULFONAMIDE
C6 H7 Hg N2 O2 S
KGGLGSZFQPTPPT-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HG
Query on HG

A MERCURY (II) ION
Hg
BQPIGGFYSBELGY-UHFFFAOYSA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.192
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.70 α = 90.00
b = 41.70 β = 104.60
c = 73.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1989-10-02
  • Released Date: 1990-01-15
  • Deposition author(s): Eriksson, A.E., Jones, T.A., Liljas, A.

Revision History

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