3QW8

Crystal structure of the protease domain of Botulinum Neurotoxin Serotype A with a peptide inhibitor CRGC

Structural Biology Knowledgebase: 3QW8 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 3QW8

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 50291.45

Macromolecule Entities
Molecule Chains Length Organism Details
Botulinum neurotoxin type A A 430 Clostridium botulinum EC#: 3.4.24.69 IUBMB
Fragment: light chain (UNP residues 1-424)
Gene Name(s): botA CBO0806 CLC_0862
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
inhibitory peptide CRGC B 5 synthetic

Small Molecules
Ligands 4 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)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EDO
Query on EDO

A 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
NH2
Query on NH2
B NON-POLYMER H2 N --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.199
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 50.67 α = 90.00
b = 66.28 β = 98.42
c = 64.77 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-02-27
  • Released Date: 2012-02-08
  • Deposition author(s): Kumaran, D., Swaminathan, S.

Revision History

  • 2013-01-23
    Type: Citation | Details: Citation update
  • 2012-09-19
    Type: Atom nomenclature | Details: --
  • 2012-04-25
    Type: Citation | Details: Citation update