1Z8K

X-ray structure of allene oxide cyclase from Arabidopsis thaliana at3g25770

• PDB DOI: https://doi.org/10.2210/pdb1Z8K/pdb

• Classification: ISOMERASE
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-03-30 Released: 2005-04-12 
• Deposition Author(s): Wesenberg, G.E., Phillips Jr., G.N., Bitto, E., Bingman, C.A., Allard, S.T.M., Center for Eukaryotic Structural Genomics (CESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.71 Å
• R-Value Free: 0.180 
• R-Value Work: 0.149 
• R-Value Observed: 0.150 

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 2Q4I

Literature

X-ray structure of allene oxide cyclase from Arabidopsis thaliana at3g25770

Center for Eukaryotic Structural Genomics (CESG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 63.9 kDa 
• Atom Count: 4,866 
• Modelled Residue Count: 522 
• Deposited Residue Count: 579 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
At3g25770 protein	A, B, C	193	Arabidopsis thaliana	Mutation(s): 1  Gene Names: AT3G25770 EC: 5.3.99.6
UniProt
Find proteins for Q9LS02 (Arabidopsis thaliana) Explore Q9LS02  Go to UniProtKB:  Q9LS02

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.71 Å
• R-Value Free: 0.180 
• R-Value Work: 0.149 
• R-Value Observed: 0.150 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.412	α = 90
b = 100.013	β = 90
c = 105.386	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-04-12 
Deposition Author(s): Wesenberg, G.E., Phillips Jr., G.N., Bitto, E., Bingman, C.A., Allard, S.T.M., Center for Eukaryotic Structural Genomics (CESG)

Revision History  

• Version 1.0: 2005-04-12
  Type: Initial release
  
• Version 1.1: 2008-02-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary