1KE0

X-ray crystal structure of AmpC beta-lactamase from E. coli in complex with the inhibitor 4-(carboxyvin-2-yl)phenylboronic acid


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.245
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 1KE0

Classification: HYDROLASE

Total Structure Weight: 79654.77

Macromolecule Entities
Molecule Chains Length Organism Details
beta-lactamase A, B 358 Escherichia coli EC#: 3.5.2.6 IUBMB
Gene Name(s): ampC ampA b4150 JW4111
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B 4-(CARBOXYVIN-2-YL)PHENYLBORONIC ACID
C9 H9 B O4
IEMLKNHGGSYOMP-ZZXKWVIFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CVB Ki: 4200 nM (100) BindingDB

N/A in BindingMoad
Ki: 4200 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.245
  • R-Value Work: 0.199
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 118.62 α = 90.00
b = 77.43 β = 115.32
c = 97.37 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-13
  • Released Date: 2002-07-17
  • Deposition author(s): Powers, R.A., Shoichet, B.K.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance