1ASL

CRYSTAL STRUCTURES OF ESCHERICHIA COLI ASPARTATE AMINOTRANSFERASE IN TWO CONFORMATIONS: COMPARISON OF AN UNLIGANDED OPEN AND TWO LIGANDED CLOSED FORMS

Structural Biology Knowledgebase: 1ASL SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Observed: 0.183

Literature

Macromolecules
Sequence Display for 1ASL

Classification: AMINOTRANSFERASE

Total Structure Weight: 87995.81

Macromolecule Entities
Molecule Chains Length Organism Details
ASPARTATE AMINOTRANSFERASE A, B 396 Escherichia coli EC#: 2.6.1.1 IUBMB
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
PLA
Query on PLA

A, B 2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL- PYRIDIN-4-YLMETHYL)-AMINO]-2-METHYL-SUCCINIC ACID
N-PYRIDOXYL-2-METHYLASPARTIC ACID-5-MONOPHOSPHATE (Synonym)
C13 H19 N2 O9 P
ZFKRUCNEKPIDBK-ZDUSSCGKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Observed: 0.183
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 85.60 α = 90.00
b = 78.80 β = 118.60
c = 89.60 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-09-16
  • Released Date: 1994-01-31
  • Deposition author(s): Jaeger, J., Jansonius, J.N.

Revision History

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