1AAM

THE STRUCTURAL BASIS FOR THE ALTERED SUBSTRATE SPECIFICITY OF THE R292D ACTIVE SITE MUTANT OF ASPARTATE AMINOTRANSFERASE FROM E. COLI

Structural Biology Knowledgebase: 1AAM SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.203

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1AAM

Classification: AMINOTRANSFERASE

Total Structure Weight: 43920.73

Macromolecule Entities
Molecule Chains Length Organism Details
ASPARTATE AMINOTRANSFERASE A 396 Escherichia coli EC#: 2.6.1.1 IUBMB
Mutation: R292D
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 PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.203
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 155.40 α = 90.00
b = 87.00 β = 90.00
c = 80.10 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-07-13
  • Released Date: 1993-10-31
  • Deposition author(s): Almo, S.C., Smith, D.L., Danishefsky, A.T., Ringe, D.

Revision History

  • 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