1TJ9

Structure of the complexed formed between group II phospholipase A2 and a rationally designed tetra peptide,Val-Ala-Arg-Ser at 1.1A resolution

• PDB DOI: https://doi.org/10.2210/pdb1TJ9/pdb

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


• Deposited: 2004-06-03 Released: 2004-06-08 
• Deposition Author(s): Singh, N., Ethayathulla, A.S., K Somvanshi, R., Sharma, S., Dey, S., Perbandt, M., Betzel, C., Kaur, P., Singh, T.P.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 0.209 
• R-Value Work: 0.187 
• R-Value Observed: 0.187 

Starting Model: experimental

Literature

Structure of the complex formed between group II phospholipase A2 and a rationally designed tetra peptide,Val-Ala-Arg-Ser at 1.1A resolution

Singh, N., Ethayathulla, A.S., K Somvanshi, R., Sharma, S., Dey, S., Perbandt, M., Betzel, C., Kaur, P., Singh, T.P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 14.6 kDa 
• Atom Count: 1,215 
• Modelled Residue Count: 125 
• Deposited Residue Count: 125 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phospholipase A2	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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
VARS peptide	B	4	N/A	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ACY	H [auth A]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 0.209 
• R-Value Work: 0.187 
• R-Value Observed: 0.187 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.513	α = 90
b = 52.513	β = 90
c = 48.037	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: 2004-06-08 
Deposition Author(s): Singh, N., Ethayathulla, A.S., K Somvanshi, R., Sharma, S., Dey, S., Perbandt, M., Betzel, C., Kaur, P., Singh, T.P.

Revision History  

• Version 1.0: 2004-06-08
  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: 2017-02-01
  Changes: Structure summary
• Version 1.4: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-11-20
  Changes: Structure summary