1ASN

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

Structural Biology Knowledgebase: 1ASN SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.189

Literature

Macromolecules
Sequence Display for 1ASN

Classification: AMINOTRANSFERASE

Total Structure Weight: 87925.67

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 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PLP
Query on PLP

A, B PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.189
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 87.60 α = 90.00
b = 79.80 β = 119.10
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
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update