1ASC

THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE D223A(D222A) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Observed: 0.214

Literature

Macromolecules
Sequence Display for 1ASC

Classification: AMINOTRANSFERASE

Total Structure Weight: 43838.83

Macromolecule Entities
Molecule Chains Length Organism Details
ASPARTATE AMINOTRANSFERASE A 396 Escherichia coli EC#: 2.6.1.1 IUBMB
Mutation: D223A
Gene Name(s): aspC b0928 JW0911
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A N-METHYL-4-DEOXY-4-AMINO-PYRIDOXAL-5-PHOSPHATE
C9 H16 N2 O5 P
BDHMQTZHNOSTBZ-UHFFFAOYSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Observed: 0.214
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 157.50 α = 90.00
b = 85.00 β = 90.00
c = 78.60 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-08-27
  • Released Date: 1994-04-30
  • Deposition author(s): Schumacher, C., Ringe, D.

Revision History

  • 2012-07-25
    Type: Polymer description | Details: Flag mutation
  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4