4RAJ | pdb_00004raj

Crystal structure of heme oxygenase 2 from Chlamydomonas reinhardtii without heme.

• PDB DOI: https://doi.org/10.2210/pdb4RAJ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Chlamydomonas reinhardtii
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-09-10 Released: 2015-09-16 
• Deposition Author(s): Fisher, A.J., Lagarias, J.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.84 Å
• R-Value Free: 
  0.196 (Depositor), 0.201 (DCC) 
• R-Value Work: 
  0.170 (Depositor) 
• R-Value Observed: 
  0.172 (Depositor) 

Starting Models: experimental

Literature

Crystal structure of heme oxygenase 2 from Chlamydomonas reinhardtii without heme.

Lopez, O., Duanmu, D., Lagarias, J.C., Fisher, A.J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 27.08 kDa 
• Atom Count: 1,878 
• Modeled Residue Count: 216 
• Deposited Residue Count: 247 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heme oxygenase	A	247	Chlamydomonas reinhardtii	Mutation(s): 0  Gene Names: CHLREDRAFT_152591, HMOX2 EC: 1.14.99.3
UniProt
Find proteins for A0A2K3D7X1 (Chlamydomonas reinhardtii) Explore A0A2K3D7X1  Go to UniProtKB:  A0A2K3D7X1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG6	B [auth A]	1-(2-METHOXY-ETHOXY)-2-{2-[2-(2-METHOXY-ETHOXY]-ETHOXY}-ETHANE C12 H26 O6 DMDPGPKXQDIQQG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.84 Å
• R-Value Free:  0.196 (Depositor), 0.201 (DCC) 
• R-Value Work:  0.170 (Depositor) 
• R-Value Observed: 0.172 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.93	α = 90
b = 134.77	β = 90
c = 80.69	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-09-16 
Deposition Author(s): Fisher, A.J., Lagarias, J.C.

Revision History  

• Version 1.0: 2015-09-16
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description