1SXK

Crystal Structure of a complex formed between phospholipase A2 and a non-specific anti-inflammatory amino salicylic acid at 1.2 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1SXK/pdb

• Classification: TOXIN
• Organism(s): Daboia russelii russelii
• Mutation(s): No 


• Deposited: 2004-03-31 Released: 2004-04-13 
• Deposition Author(s): Singh, N., Bilgrami, S., Kaur, P., Sharma, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.21 Å
• R-Value Free: 
  0.188 (Depositor) 
• R-Value Work: 
  0.174 (Depositor) 
• R-Value Observed: 
  0.174 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of a complex formed between phospholipase A2 and a non-specific anti-inflammatory amino salicylic acid at 1.2 A resolution

Singh, N., Bilgrami, S., Kaur, P., Sharma, S., Singh, T.P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 14.17 kDa 
• Atom Count: 1,197 
• Modelled Residue Count: 121 
• Deposited Residue Count: 121 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phospholipase A2 VRV-PL-VIIIa	A	121	Daboia russelii russelii	Mutation(s): 0  EC: 3.1.1.4
UniProt
Find proteins for P59071 (Daboia russelii) Explore P59071  Go to UniProtKB:  P59071

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BHA	F [auth A]	2-HYDROXY-4-AMINOBENZOIC ACID C7 H7 N O3 WUBBRNOQWQTFEX-UHFFFAOYSA-N
SO4	B [auth A], C [auth A], D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.21 Å
• R-Value Free:  0.188 (Depositor) 
• R-Value Work:  0.174 (Depositor) 
• R-Value Observed: 0.174 (Depositor) 

Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.255	α = 90
b = 52.255	β = 90
c = 47.743	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-04-13 
Deposition Author(s): Singh, N., Bilgrami, S., Kaur, P., Sharma, S., Singh, T.P.

Revision History  

• Version 1.0: 2004-04-13
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-10-30
  Changes: Structure summary