4E4A

Nucleophile recognition as an alternative inhibition mode for benzoic acid based carbonic anhydrase inhibitors

Structural Biology Knowledgebase: 4E4A SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.45 Å
  • R-Value Free: 0.221
  • R-Value Work: 0.185

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4E4A

Classification: LYASE / LYASE INHIBITOR

Total Structure Weight: 29926.63

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

A MERCURIBENZOIC ACID
C7 H5 Hg O2
FVFZSVRSDNUCGG-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
JKE
Query on JKE

A 2-sulfanylbenzoic acid
C7 H6 O2 S
NBOMNTLFRHMDEZ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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 %)
JKE N/A in BindingDB
Ki: 9000000 nM  BindingMOAD
IC50: 9000000 nM  PDBbind
SO4 Ki: 89000000 - 300000000 nM (100) BindingDB

N/A in BindingMoad


Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.45 Å
  • R-Value Free: 0.221
  • R-Value Work: 0.185
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 42.06 α = 90.00
b = 41.53 β = 104.21
c = 71.93 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-03-12
  • Released Date: 2012-06-27
  • Deposition author(s): Cohen, S.M., Martin, D.P.

Revision History

No revisions since initial release