1B4W

BASIC PHOSPHOLIPASE A2 FROM AGKISTRODON HALYS PALLAS-IMPLICATIONS FOR ITS ASSOCIATION AND ANTICOAGULANT ACTIVITIES BY X-RAY CRYSTALLOGRAPHY

• PDB DOI: https://doi.org/10.2210/pdb1B4W/pdb

• Classification: HYDROLASE
• Organism(s): Gloydius halys
• Mutation(s): Yes 


• Deposited: 1998-12-30 Released: 2000-01-12 
• Deposition Author(s): Zhao, K.H., Lin, Z.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.286 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 56.28 kDa 
• Atom Count: 4,004 
• Modelled Residue Count: 488 
• Deposited Residue Count: 488 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (PHOSPHOLIPASE A2)	A, B, C, D	122	Gloydius halys	Mutation(s): 3  EC: 3.1.1.4
UniProt
Find proteins for O42187 (Gloydius halys) Explore O42187  Go to UniProtKB:  O42187

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BOG	E [auth A], F [auth D]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.286 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 100.453	α = 90
b = 54.294	β = 111.76
c = 108.388	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
X-PLOR	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-01-12 
Deposition Author(s): Zhao, K.H., Lin, Z.J.

Revision History  

• Version 1.0: 2000-01-12
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-04-04
  Changes: Data collection
• Version 1.4: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.5: 2021-11-03
  Changes: Database references, Structure summary
• Version 1.6: 2023-08-09
  Changes: Data collection, Refinement description