3QWU

Putative ATP-dependent DNA ligase from Aquifex aeolicus.

• PDB DOI: https://doi.org/10.2210/pdb3QWU/pdb

• Classification: LIGASE
• Organism(s): Aquifex aeolicus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-02-28 Released: 2011-03-16 
• Deposition Author(s): Osipiuk, J., Quartey, P., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.255 
• R-Value Work: 0.201 
• R-Value Observed: 0.203 

Starting Model: experimental

Literature

Putative ATP-dependent DNA ligase from Aquifex aeolicus.

Osipiuk, J., Quartey, P., Collart, F., Joachimiak, A.

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 (software)

Macromolecule Content

• Total Structure Weight: 88.01 kDa 
• Atom Count: 6,338 
• Modelled Residue Count: 730 
• Deposited Residue Count: 740 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA ligase	A, B	370	Aquifex aeolicus	Mutation(s): 0  Gene Names: aq_1106
UniProt
Find proteins for O67191 (Aquifex aeolicus (strain VF5)) Explore O67191  Go to UniProtKB:  O67191

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADN	C [auth A], F [auth B]	ADENOSINE C10 H13 N5 O4 OIRDTQYFTABQOQ-KQYNXXCUSA-N
GOL	E [auth A], H [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	D [auth A], G [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.255 
• R-Value Work: 0.201 
• R-Value Observed: 0.203 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.366	α = 90
b = 99.165	β = 90
c = 103.278	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-03-16 
Deposition Author(s): Osipiuk, J., Quartey, P., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2011-03-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description