2QUE

Saturation of substrate-binding site using two natural ligands: Crystal structure of a ternary complex of phospholipase A2 with anisic acid and ajmaline at 2.25 A resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.198 
  • R-Value Observed: 0.198 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Saturation of substrate-binding site using two natural ligands: Crystal structure of a ternary complex of phospholipase A2 with anisic acid and ajmaline at 2.25 A resolution

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

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Phospholipase A2 VRV-PL-VIIIaA121Daboia russelii pulchellaMutation(s): 0 
EC: 3.1.1.4
UniProt
Find proteins for P59071 (Daboia russelii)
Explore P59071 
Go to UniProtKB:  P59071
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP59071
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
AJM
Query on AJM

Download Ideal Coordinates CCD File 
B [auth A]AJMALINE
C18 H22 N2 O2
CFEPCEVMXPTZPJ-OGDRVKPDSA-N
 Ligand Interaction
ANN
Query on ANN

Download Ideal Coordinates CCD File 
C [auth A]4-METHOXYBENZOIC ACID
C8 H8 O3
ZEYHEAKUIGZSGI-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.198 
  • R-Value Observed: 0.198 
  • Space Group: P 43
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 53.105α = 90
b = 53.105β = 90
c = 48.393γ = 90
Software Package:
Software NamePurpose
CNSrefinement
MAR345dtbdata collection
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2007-08-14
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance