1FR6

REFINED CRYSTAL STRUCTURE OF BETA-LACTAMASE FROM CITROBACTER FREUNDII INDICATES A MECHANISM FOR BETA-LACTAM HYDROLYSIS

Structural Biology Knowledgebase: 1FR6 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.186

Literature

Macromolecules
Sequence Display for 1FR6

Classification: HYDROLASE

Total Structure Weight: 80386.17

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-LACTAMASE A, B 361 Citrobacter freundii EC#: 3.5.2.6 IUBMB
Mutation: T175S, T176K, Q180H, V228I, K253E, L278V, N285S, A348V
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2- oxo-2-{[(2S,3S)-1-oxo-3-(sulfoamino)butan- 2-yl]amino}ethylidene]amino}oxy)-2-methylpropanoic acid
AZTREONAM, open form (Synonym)
C13 H19 N5 O8 S2
OEVQTUTXOVDNJO-GEEOIBTQSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
AZR IC50: 6 nM (94) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.186
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 98.07 α = 90.00
b = 84.63 β = 90.00
c = 89.77 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-07
  • Released Date: 2001-01-17
  • Deposition author(s): Oefner, C., D'Arcy, A., Daly, J.J., Winkler, F.K.

Revision History

  • 2011-08-31
    Type: Non-polymer description | Details: Update AZR ligand to open conformation
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4