2NN3

structure of pro-sf-caspase-1

• PDB DOI: https://doi.org/10.2210/pdb2NN3/pdb

• Classification: HYDROLASE
• Organism(s): Spodoptera frugiperda
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-10-23 Released: 2007-10-23 
• Deposition Author(s): Fisher, A.J., Ni, L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 
  0.275 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.228 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.230 (Depositor) 

Starting Model: experimental

Literature

Pro-sfcapsase-1, structural insights into activation mechanism of caspases

Ni, L., Yu, Z., Lemongello, D., Friesen, P.D., Fisher, A.J.

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,PQS (software)

Macromolecule Content

• Total Structure Weight: 69.49 kDa 
• Atom Count: 3,872 
• Modelled Residue Count: 495 
• Deposited Residue Count: 620 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Caspase-1	A [auth C], B [auth D]	310	Spodoptera frugiperda	Mutation(s): 1  EC: 3.4.22.36 (PDB Primary Data), 3.4.22 (UniProt)
UniProt
Find proteins for P89116 (Spodoptera frugiperda) Explore P89116  Go to UniProtKB:  P89116

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free:  0.275 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.228 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.230 (Depositor) 

Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 106.223	α = 90
b = 106.223	β = 90
c = 113.595	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-23 
Deposition Author(s): Fisher, A.J., Ni, L.

Revision History  

• Version 1.0: 2007-10-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.2: 2021-10-20
  Changes: Database references
• Version 1.3: 2023-08-30
  Changes: Data collection, Refinement description