4RFP

Crystal structure of a acidic PLA2 from Trimeresurus stejnegeri venom

• PDB DOI: https://doi.org/10.2210/pdb4RFP/pdb
• Entry: 4RFP supersedes: 4H0Q

• Classification: HYDROLASE
• Organism(s): Trimeresurus stejnegeri
• Mutation(s): No 


• Deposited: 2014-09-26 Released: 2014-10-15 
• Deposition Author(s): Zeng, F., Niu, L., Li, X., Teng, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.209 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 

Literature

Crystal structure of a acidic PLA2 from Trimeresurus stejnegeri venom

Zeng, F., Niu, L., Li, X., Teng, M.

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: 27.89 kDa 
• Atom Count: 2,111 
• Modelled Residue Count: 242 
• Deposited Residue Count: 242 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acidic phospholipase A2 5	A, B	121	Trimeresurus stejnegeri	Mutation(s): 0  EC: 3.1.1.4
UniProt
Find proteins for P82896 (Trimeresurus stejnegeri) Explore P82896  Go to UniProtKB:  P82896

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	C [auth A], D [auth B], E [auth B], F [auth B]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.209 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.177	α = 90
b = 85.712	β = 90
c = 38.888	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-15 
Deposition Author(s): Zeng, F., Niu, L., Li, X., Teng, M.
• This entry supersedes: 4H0Q

Revision History  

• Version 1.0: 2014-10-15
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description