1NX6

Crystal Structure of Aspartate Semialdehyde Dehydrogenase from Haemophilus influenzae as a Tetrahedral Hemithiocetal Reaction intermediate with Phosphate at 2.15 A

Structural Biology Knowledgebase: 1NX6 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.284
  • R-Value Work: 0.228

Literature

Macromolecules
Sequence Display for 1NX6

Classification: OXIDOREDUCTASE

Total Structure Weight: 40891.17

Macromolecule Entities
Molecule Chains Length Organism Details
Aspartate-Semialdehyde Dehydrogenase A 371 Haemophilus influenzae EC#: 1.2.1.11 IUBMB
Mutation: C136X
Gene Name(s): asd HI_0646
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
HTI
Query on HTI
A L-PEPTIDE LINKING C7 H14 N2 O5 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.284
  • R-Value Work: 0.228
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 113.75 α = 90.00
b = 54.85 β = 90.00
c = 57.69 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-02-09
  • Released Date: 2003-11-04
  • Deposition author(s): Blanco, J., Moore, R.A., Viola, R.E.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values