1HJG

ALTERATION OF THE CO-SUBSTRATE SELECTIVITY OF DEACETOXYCEPHALOSPORIN C SYNTHASE: THE ROLE OF ARGININE-258

Structural Biology Knowledgebase: 1HJG SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.241
  • R-Value Work: 0.225

Literature

Macromolecules
Sequence Display for 1HJG

Classification: OXIDOREDUCTASE

Total Structure Weight: 34734.81

Macromolecule Entities
Molecule Chains Length Organism Details
DEACETOXYCEPHALOSPORIN C SYNTHASE A 311 Streptomyces clavuligerus EC#: 1.14.20.1 IUBMB
Mutation: R258Q, L50I
Details: IRON(II) AND ALPHA-KETOISOVALERATE COMPLEX OF MUTANT ENZYME
Gene Name(s): cefE
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A 3-METHYL-2-OXOBUTANOIC ACID
ALPHA-KETOISOVALERIC ACID; KETOVALINE (Synonym)
C5 H8 O3
QHKABHOOEWYVLI-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
FE2
Query on FE2

A FE (II) ION
Fe
CWYNVVGOOAEACU-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.241
  • R-Value Work: 0.225
  • Space Group: H 3
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 107.10 α = 90.00
b = 107.10 β = 90.00
c = 70.86 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-01-15
  • Released Date: 2001-06-01
  • Deposition author(s): Lee, H.J., Lloyd, M.D., Clifton, I.J., Harlos, K., Dubus, A., Baldwin, J.E., Frere, J.M., Schofield, C.J.

Revision History

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