3E8Y

Xray structure of scorpion toxin BmBKTx1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.10 Å
  • R-Value Free: 0.217 
  • R-Value Work: 0.200 
  • R-Value Observed: 0.202 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

X-ray structure of native scorpion toxin BmBKTx1 by racemic protein crystallography using direct methods.

Mandal, K.Pentelute, B.L.Tereshko, V.Kossiakoff, A.A.Kent, S.B.

(2009) J Am Chem Soc 131: 1362-1363

  • DOI: 10.1021/ja8077973
  • Primary Citation of Related Structures:  
    3E8Y

  • PubMed Abstract: 
  • Racemic protein crystallography, enabled by total chemical synthesis, has allowed us to determine the X-ray structure of native scorpion toxin BmBKTx1; direct methods were used for phase determination. This is the first example of a protein racemate that crystallized in space group I41/a ...

    Racemic protein crystallography, enabled by total chemical synthesis, has allowed us to determine the X-ray structure of native scorpion toxin BmBKTx1; direct methods were used for phase determination. This is the first example of a protein racemate that crystallized in space group I41/a.


    Organizational Affiliation

    Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Potassium channel toxin alpha-KTx 19.1A [auth X]31N/AMutation(s): 0 
UniProt
Find proteins for P83407 (Mesobuthus martensii)
Explore P83407 
Go to UniProtKB:  P83407
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth X]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
CL
Query on CL

Download Ideal Coordinates CCD File 
B [auth X]CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.10 Å
  • R-Value Free: 0.217 
  • R-Value Work: 0.200 
  • R-Value Observed: 0.202 
  • Space Group: I 41/a
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 56.633α = 90
b = 56.633β = 90
c = 31.759γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
SHELXSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-02-10
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance