1KVL

X-ray Crystal Structure of AmpC S64G Mutant beta-Lactamase in Complex with Substrate and Product Forms of Cephalothin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.195

Literature

Macromolecules
Sequence Display for 1KVL

Classification: HYDROLASE

Total Structure Weight: 80412.98

Macromolecule Entities
Molecule Chains Length Organism Details
Beta-lactamase A, B 358 Escherichia coli EC#: 3.5.2.6 IUBMB
Mutation: S64G
Gene Name(s): ampC ampA b4150 JW4111
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CLS
Query on CLS

A CEPHALOTHIN
3-ACETOXYMETHYL-8-OXO-7-(2-THIOPHEN-2-YL- ACETYLAMINO)-5-THIA-1-AZA-BICYCLO[4.2.0]OCT- 2-ENE-2-CARBOXYLIC ACID (Synonym)
C16 H16 N2 O6 S2
XIURVHNZVLADCM-IUODEOHRSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
KCP
Query on KCP

A 2-[CARBOXY-(2-THIOPHEN-2-YL-ACETYLAMINO)- METHYL]-5-METHYL-3,6-DIHYDRO-2H-[1,3]THIAZINE- 4-CARBOXYLIC ACID
HYDROLYZED CEPHALOTHIN (Synonym)
C14 H16 N2 O5 S2
JRYZEMHNDUZNMI-RYUDHWBXSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
THN
Query on THN

B 2-[CARBOXY-(2-THIOPHEN-2-YL-ACETYLAMINO)- METHYL]-5-METHYLENE-5,6-DIHYDRO-2H-[1,3]THIAZINE- 4-CARBOXYLIC ACID
HYDROLYZED CEPHALOTHIN (Synonym)
C14 H14 N2 O5 S2
VBBNCGUNWSPHOY-QWRGUYRKSA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.195
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 118.62 α = 90.00
b = 77.15 β = 115.90
c = 98.07 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-01-27
  • Released Date: 2002-03-13
  • Deposition author(s): Beadle, B.M., Trehan, I., Focia, P.J., Shoichet, B.K.

Revision History

  • Version 1_0: 2002-03-13

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance