2Q1B

Carbonic Anhydrase II in Complex with Saccharin

Structural Biology Knowledgebase: 2Q1B SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.146

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2Q1B

Classification: LYASE

Total Structure Weight: 29925.95

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 4 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)
LSA
Query on LSA

A 1,2-BENZISOTHIAZOL-3(2H)-ONE 1,1-DIOXIDE
SACCHARIN (Synonym)
C7 H5 N O3 S
CVHZOJJKTDOEJC-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BEZ
Query on BEZ

A BENZOIC ACID
C7 H6 O2
WPYMKLBDIGXBTP-UHFFFAOYSA-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 %)
LSA Ki: 5950 - 5950000 nM (100) BindingDB

Ki: 5950 nM  BindingMOAD
N/A in PDBbind
BEZ Ki: 30000 nM (100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.146
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 42.22 α = 90.00
b = 41.61 β = 104.44
c = 72.16 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-05-24
  • Released Date: 2007-09-04
  • Deposition author(s): Klebe, G., Heine, A., Koehler, K.

Revision History

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