1KE3

X-ray crystal structure of AmpC beta-lactamase from E. coli in complex with the inhibitor 4,4'-biphenyldiboronic acid

Structural Biology Knowledgebase: 1KE3 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.237
  • R-Value Work: 0.193

Literature

Macromolecules
Sequence Display for 1KE3

Classification: HYDROLASE

Total Structure Weight: 79755.35

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
BDB
Query on BDB

A, B 4,4'-BIPHENYLDIBORONIC ACID
C12 H12 B2 O4
SLHKDOGTVUCXKX-UHFFFAOYSA-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 %)
BDB Ki: 200 nM (100) BindingDB

N/A in BindingMoad
Ki: 200 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.237
  • R-Value Work: 0.193
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 117.80 α = 90.00
b = 78.36 β = 115.93
c = 97.38 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-14
  • Released Date: 2002-07-17
  • Deposition author(s): Powers, R.A., Shoichet, B.K.

Revision History

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