2H8U

Bucain, a cardiotoxin from the Malayan Krait Bungarus candidus

• PDB DOI: https://doi.org/10.2210/pdb2H8U/pdb

• Classification: TOXIN
• Organism(s): Bungarus candidus
• Mutation(s): No 


• Deposited: 2006-06-08 Released: 2007-06-19 
• Deposition Author(s): Murakami, M.T., Kini, R.M., Arni, R.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.266 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.204 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.207 (Depositor) 

Literature

Crystal Structure of Bucain

Murakami, M.T., Kini, R.M., Arni, R.K.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 14.46 kDa 
• Atom Count: 1,088 
• Modelled Residue Count: 130 
• Deposited Residue Count: 130 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bucain	A, B	65	Bungarus candidus	Mutation(s): 0
UniProt
Find proteins for P83346 (Bungarus candidus) Explore P83346  Go to UniProtKB:  P83346

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.266 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.204 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.207 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.617	α = 90
b = 62.888	β = 90
c = 78.487	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MAR345	data collection
DENZO	data reduction
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-06-19 
Deposition Author(s): Murakami, M.T., Kini, R.M., Arni, R.K.

Revision History  

• Version 1.0: 2007-06-19
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2024-11-20
  Changes: Data collection, Database references, Structure summary