1XEG

Crystal structure of human carbonic anhydrase II complexed with an acetate ion


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.81 Å
  • R-Value Free: 0.210
  • R-Value Work: 0.180

Literature

Macromolecules
Sequence Display for 1XEG

Classification: LYASE

Total Structure Weight: 29413.52

Macromolecule Entities
Molecule Chains Length Organism Details
Carbonic anhydrase II 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
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
ACT Ki: 130000 nM (100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.81 Å
  • R-Value Free: 0.210
  • R-Value Work: 0.180
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 42.31 α = 90.00
b = 71.75 β = 90.00
c = 74.01 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-09-10
  • Released Date: 2005-09-27
  • Deposition author(s): Mazumdar, P.A., Kumaran, D., Das, A.K., Swaminathan, S.

Revision History

  • 2008-04-30
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance