4RUD

Crystal structure of a three finger toxin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.204 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Fulditoxin, representing a new class of dimeric snake toxins, defines novel pharmacology at nicotinic acetylcholine receptors.

Foo, C.S.Jobichen, C.Hassan-Puttaswamy, V.Dekan, Z.Tae, H.S.Bertrand, D.Adams, D.J.Alewood, P.F.Sivaraman, J.Nirthanan, S.Kini, R.M.

(2019) Br J Pharmacol 

  • DOI: 10.1111/bph.14954
  • Primary Citation of Related Structures:  
    4RUD

  • PubMed Abstract: 
  • Animal toxins have contributed significantly to our understanding of the neurobiology of receptors and ion channels. We studied the venom of the coral snake Micrurus fulvius fulvius and identified and characterized the structure and pharmacology of a new homodimeric neurotoxin, fulditoxin, that exhibited novel pharmacology at nicotinic ACh receptors (nAChRs) ...

    Animal toxins have contributed significantly to our understanding of the neurobiology of receptors and ion channels. We studied the venom of the coral snake Micrurus fulvius fulvius and identified and characterized the structure and pharmacology of a new homodimeric neurotoxin, fulditoxin, that exhibited novel pharmacology at nicotinic ACh receptors (nAChRs).


    Organizational Affiliation

    Protein Science Laboratory, Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, Singapore.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Three-finger toxin 3bA, B58Micrurus fulviusMutation(s): 0 
UniProt
Find proteins for U3EPL2 (Micrurus fulvius)
Explore U3EPL2 
Go to UniProtKB:  U3EPL2
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download Ideal Coordinates CCD File 
C [auth A], D [auth B]ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.204 
  • Space Group: P 4 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 58.8α = 90
b = 58.8β = 90
c = 70.567γ = 90
Software Package:
Software NamePurpose
ADSCdata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2016-05-18
    Type: Initial release
  • Version 1.1: 2017-11-22
    Changes: Refinement description
  • Version 1.2: 2018-07-18
    Changes: Data collection, Database references
  • Version 1.3: 2020-01-22
    Changes: Database references, Source and taxonomy, Structure summary