4CQ0

Cyclic secondary sulfonamides: unusually good inhibitors of cancer- related carbonic anhydrase enzymes


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.45 Å
  • R-Value Free: 0.191
  • R-Value Work: 0.157

Literature

Macromolecules
Sequence Display for 4CQ0

Classification: LYASE

Total Structure Weight: 29598.70

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

A 6-amino-1,2-benzothiazol-3(2H)-one 1,1-dioxide
C7 H6 N2 O3 S
SSRKZHLPNHLAKM-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)
FMT
Query on FMT

A FORMIC ACID
C H2 O2
BDAGIHXWWSANSR-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
SXS Ki: >50000 nM (100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.45 Å
  • R-Value Free: 0.191
  • R-Value Work: 0.157
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.18 α = 90.00
b = 41.21 β = 104.64
c = 71.92 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2014-02-10
  • Released Date: 2014-04-16
  • Deposition author(s): Moeker, J., Peat, T.S., Bornaghi, L.F., Vullo, D., Supuran, C.T., Poulsen, S.

Revision History

  • 2014-05-07
    Type: Database references