1G0Z

SPECIFIC MUTATIONS IN KRAIT PLA2 LEAD TO DIMERIZATION OF PROTEIN MOLECULES: CRYSTAL STRUCTURE OF KRAIT PLA2 AT 2.1 RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb1G0Z/pdb

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


• Deposited: 2000-10-10 Released: 2003-06-17 
• Deposition Author(s): Singh, T.P., Gourinath, S., Sharma, S., Singh, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free: 
  0.257 (Depositor) 
• R-Value Work: 
  0.199 (Depositor) 
• R-Value Observed: 
  0.199 (Depositor) 

Starting Model: experimental

Literature

Specific mutations in Krait PLA2 lead to dimerization of protein molecules: Crystal structure of Krait PLA2 at 2.1 resolution.

Gourinath, S., Singh, G., Sharma, S., Bhanumathi, S., Betzel, C., Paramsivam, M., Srinivasan, A., Singh, T.P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 26.03 kDa 
• Atom Count: 2,011 
• Modelled Residue Count: 236 
• Deposited Residue Count: 236 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PHOSPHOLIPASE A2	A, B	118	Bungarus caeruleus	Mutation(s): 0  EC: 3.1.1.4
UniProt
Find proteins for Q6SLM1 (Bungarus caeruleus) Explore Q6SLM1  Go to UniProtKB:  Q6SLM1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A], D [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free:  0.257 (Depositor) 
• R-Value Work:  0.199 (Depositor) 
• R-Value Observed: 0.199 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.36	α = 90
b = 80.36	β = 90
c = 99.44	γ = 120

Software Package:

Software Name	Purpose
MAR345	data collection
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-06-17 
Deposition Author(s): Singh, T.P., Gourinath, S., Sharma, S., Singh, G.

Revision History  

• Version 1.0: 2003-06-17
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2023-08-09
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-11-20
  Changes: Structure summary