1F2K

CRYSTAL STRUCTURE OF ACANTHAMOEBA CASTELLANII PROFILIN II, CUBIC CRYSTAL FORM

• PDB DOI: https://doi.org/10.2210/pdb1F2K/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Acanthamoeba castellanii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2000-05-26 Released: 2000-06-08 
• Deposition Author(s): Fedorov, A.A., Shi, W., Mahoney, N., Kaiser, D.A., Almo, S.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.287 (Depositor) 
• R-Value Work: 
  0.229 (Depositor) 
• R-Value Observed: 
  0.232 (Depositor) 

Starting Model: experimental

Literature

A Comparative Structural Analysis of Profilins

Fedorov, A.A., Shi, W., Mahoney, N., Kaiser, D.A., Almo, S.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 25.87 kDa 
• Atom Count: 2,007 
• Modelled Residue Count: 250 
• Deposited Residue Count: 250 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROFILIN II	A, B	125	Acanthamoeba castellanii	Mutation(s): 0
UniProt
Find proteins for P19984 (Acanthamoeba castellanii) Explore P19984  Go to UniProtKB:  P19984

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.287 (Depositor) 
• R-Value Work:  0.229 (Depositor) 
• R-Value Observed: 0.232 (Depositor) 

Space Group: P 4₃ 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 120.524	α = 90
b = 120.524	β = 90
c = 120.524	γ = 90

Software Package:

Software Name	Purpose
EPMR	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-06-08 
Deposition Author(s): Fedorov, A.A., Shi, W., Mahoney, N., Kaiser, D.A., Almo, S.C.

Revision History  

• Version 1.0: 2000-06-08
  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: 2023-08-09
  Changes: Data collection, Database references, Refinement description