4MA0

The crystal structure of phosphoribosylaminoimidazole carboxylase ATPase subunit of Francisella tularensis subsp. tularensis SCHU S4 in complex with partially hydrolysed ATP

• PDB DOI: https://doi.org/10.2210/pdb4MA0/pdb

• Classification: LYASE
• Organism(s): Francisella tularensis subsp. tularensis SCHU S4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-08-15 Released: 2013-08-28 
• Deposition Author(s): Tan, K., Zhou, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.244 
• R-Value Work: 0.189 
• R-Value Observed: 0.192 

Starting Model: experimental

Literature

The crystal structure of phosphoribosylaminoimidazole carboxylase ATPase subunit of Francisella tularensis subsp. tularensis SCHU S4 in complex with partially hydrolysed ATP

Tan, K., Zhou, M., Kwon, K., Anderson, W.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 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 42.16 kDa 
• Atom Count: 3,031 
• Modelled Residue Count: 366 
• Deposited Residue Count: 373 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphoribosylaminoimidazole carboxylase, ATPase subunit	A	373	Francisella tularensis subsp. tularensis SCHU S4	Mutation(s): 0  Gene Names: FTT_0897, purK EC: 4.1.1.21 (PDB Primary Data), 6.3.4.18 (UniProt)
UniProt
Find proteins for Q5NGE8 (Francisella tularensis subsp. tularensis (strain SCHU S4 / Schu 4)) Explore Q5NGE8  Go to UniProtKB:  Q5NGE8

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AMP	B [auth A]	ADENOSINE MONOPHOSPHATE C10 H14 N5 O7 P UDMBCSSLTHHNCD-KQYNXXCUSA-N
PEG	E [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
GOL	D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.244 
• R-Value Work: 0.189 
• R-Value Observed: 0.192 
• Space Group: P 4₃ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/m34ma0

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.861	α = 90
b = 84.861	β = 90
c = 104.259	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
MOLREP	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-08-28 
Deposition Author(s): Tan, K., Zhou, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2013-08-28
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2023-12-06
  Changes: Data collection
• Version 1.3: 2024-11-06
  Changes: Structure summary