1I5Q

CRYSTAL STRUCTURE OF THE E. COLI AMPC BETA-LACTAMASE MUTANT N152A COVALENTLY ACYLATED WITH THE INHIBITORY BETA-LACTAM, MOXALACTAM


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.206
  • R-Value Work: 0.168

Literature

Macromolecules
Sequence Display for 1I5Q

Classification: HYDROLASE

Total Structure Weight: 79903.34

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-LACTAMASE A, B 358 Escherichia coli EC#: 3.5.2.6 IUBMB
Mutation: N152A
Gene Name(s): ampC ampA b4150 JW4111
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MOX
Query on MOX

A, B (2R)-2-[(1R)-1-{[(2S)-2-carboxy-2-(4-hydroxyphenyl)acetyl]amino}- 1-methoxy-2-oxoethyl]-5-methylidene-5,6-dihydro- 2H-1,3-oxazine-4-carboxylic acid
MOXALACTAM DERIVATIVE (open form) (Synonym)
C18 H18 N2 O9
GOYCBKVVHGALFQ-RZAIGCCYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.206
  • R-Value Work: 0.168
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 117.66 α = 90.00
b = 77.27 β = 116.75
c = 97.68 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-02-28
  • Released Date: 2001-06-20
  • Deposition author(s): Trehan, I., Beadle, B.M., Shoichet, B.K.

Revision History

  • 2011-08-24
    Type: Non-polymer description | Details: MOX ligand updated to open form
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4