1ZR8

Crystal Structure of the complex formed between group II phospholipase A2 and a plant alkaloid ajmaline at 2.0A resolution

• PDB DOI: https://doi.org/10.2210/pdb1ZR8/pdb

• Classification: HYDROLASE
• Organism(s): Daboia russelii pulchella
• Mutation(s): No 


• Deposited: 2005-05-19 Released: 2005-06-14 
• Deposition Author(s): Mahendra, M., Singh, N., Kaur, P., Sharma, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.221 
• R-Value Work: 0.186 
• R-Value Observed: 0.190 

Starting Model: experimental

Literature

Crystal Structure of the complex formed between group II phospholipase A2 and a plant alkaloid ajmaline at 2.0A resolution

Mahendra, M., Singh, N., 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: 14.18 kDa 
• Atom Count: 1,090 
• 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 pulchella	Mutation(s): 0  EC: 3.1.1.4
UniProt
Find proteins for P59071 (Daboia russelii) Explore P59071  Go to UniProtKB:  P59071

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AJM	D [auth A]	AJMALINE C18 H22 N2 O2 CFEPCEVMXPTZPJ-OGDRVKPDSA-N
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ACY	E [auth A]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.221 
• R-Value Work: 0.186 
• R-Value Observed: 0.190 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.257	α = 90
b = 53.257	β = 90
c = 48.657	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: 2005-06-14 
Deposition Author(s): Mahendra, M., Singh, N., Kaur, P., Sharma, S., Singh, T.P.

Revision History  

• Version 1.0: 2005-06-14
  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