1BUN

STRUCTURE OF BETA2-BUNGAROTOXIN: POTASSIUM CHANNEL BINDING BY KUNITZ MODULES AND TARGETED PHOSPHOLIPASE ACTION

Structural Biology Knowledgebase: 1BUN SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.45 Å
  • R-Value Free: 0.281
  • R-Value Work: 0.193

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1BUN

Classification: TOXIN

Total Structure Weight: 20780.72

Macromolecule Entities
Molecule Chains Length Organism Details
BETA2-BUNGAROTOXIN A 120 Bungarus multicinctus EC#: 3.1.1.4 IUBMB
Mutation: S66Q, Q67S, G87A, Q103N, D105E
Details: NUMEROUS NATURAL ISOFORMS, THIS IS THE BETA2 ISOFORM
Gene Name(s):
BETA2-BUNGAROTOXIN B 61 Bungarus multicinctus EC#: 3.1.1.4 IUBMB
Details: NUMEROUS NATURAL ISOFORMS, THIS IS THE BETA2 ISOFORM
Gene Name(s):

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

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.45 Å
  • R-Value Free: 0.281
  • R-Value Work: 0.193
  • Space Group: P 43 2 2

Unit Cell:

Length (Å) Angle (°)
a = 52.60 α = 90.00
b = 52.60 β = 90.00
c = 177.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-10-15
  • Released Date: 1996-04-03
  • Deposition author(s): Kwong, P.D., Mcdonald, N.Q., Sigler, P.B., Hendrickson, W.A.

Revision History

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