2OBA

Pseudomonas aeruginosa 6-pyruvoyl tetrahydrobiopterin synthase

• PDB DOI: https://doi.org/10.2210/pdb2OBA/pdb

• Classification: LYASE
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-12-18 Released: 2007-01-30 
• Deposition Author(s): McGrath, T.E., Kisselman, G., Battaile, K., Romanov, V., Wu-Brown, J., Guthrie, J., Virag, C., Mansoury, K., Edwards, A.M., Pai, E.F., Chirgadze, N.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.33 Å
• R-Value Free: 
  0.256 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.186 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.189 (Depositor) 

Starting Model: experimental

Literature

Pseudomonas aeruginosa 6-pyruvoyl tetrahydrobiopterin synthase

McGrath, T.E., Kisselman, G., Battaile, K., Romanov, V., Wu-Brown, J., Guthrie, J., Virag, C., Mansoury, K., Edwards, A.M., Pai, E.F., Chirgadze, N.Y.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content

• Total Structure Weight: 96.85 kDa 
• Atom Count: 6,228 
• Modelled Residue Count: 724 
• Deposited Residue Count: 828 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable 6-pyruvoyl tetrahydrobiopterin synthase	A, B, C, D, E, F	138	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: PA2666 EC: 4.2.3.12 (PDB Primary Data), 4 (UniProt)
UniProt
Find proteins for Q9I0H2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I0H2  Go to UniProtKB:  Q9I0H2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.33 Å
• R-Value Free:  0.256 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.186 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.189 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.082	α = 90
b = 87.521	β = 90
c = 124.67	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
JDirector	data collection
HKL-2000	data reduction
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-01-30 
Deposition Author(s): McGrath, T.E., Kisselman, G., Battaile, K., Romanov, V., Wu-Brown, J., Guthrie, J., Virag, C., Mansoury, K., Edwards, A.M., Pai, E.F., Chirgadze, N.Y.

Revision History  

• Version 1.0: 2007-01-30
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2023-11-15
  Changes: Data collection
• Version 1.6: 2024-11-20
  Changes: Structure summary