1IQ9

crystal structure at 1.8 A of toxin a from Naja nigricollis venom

Structural Biology Knowledgebase: 1IQ9 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.190

Literature

Macromolecules
Sequence Display for 1IQ9

Classification: TOXIN

Total Structure Weight: 6901.87

Macromolecule Entities
Molecule Chains Length Organism Details
alpha-neurotoxin A 61 Naja nigricollis Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A 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: 1.8 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.190
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 40.90 α = 90.00
b = 40.90 β = 90.00
c = 73.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-07-10
  • Released Date: 2003-11-25
  • Deposition author(s): Menez, R., Le Du, M.H., Menez, A.

Revision History

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