4MA5

The crystal structure of phosphoribosylaminoimidazole carboxylase ATPase subunit of Francisella tularensis subsp. tularensis SCHU S4 in complex with an ATP analog, AMP-PNP.

• PDB DOI: https://doi.org/10.2210/pdb4MA5/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: 1.81 Å
• R-Value Free: 0.216 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 

Starting Model: experimental

Literature

The crystal structure of phosphoribosylaminoimidazole carboxylase ATPase subunit of Francisella tularensis subsp. tularensis SCHU S4 in complex with an ATP analog, AMP-PNP.

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: 41.29 kDa 
• Atom Count: 3,075 
• Modelled Residue Count: 363 
• Deposited Residue Count: 365 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphoribosylaminoimidazole carboxylase, ATPase subunit	A	365	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
ANP	B [auth A]	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER C10 H17 N6 O12 P3 PVKSNHVPLWYQGJ-KQYNXXCUSA-N
GOL	F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
FMT	C [auth A]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N
NA	D [auth A], E [auth A]	SODIUM ION Na FKNQFGJONOIPTF-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: 1.81 Å
• R-Value Free: 0.216 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 
• Space Group: P 4₃ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/m34ma5

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.943	α = 90
b = 84.943	β = 90
c = 106.539	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: 2013-09-25
  Changes: Structure summary
• Version 1.2: 2016-12-21
  Changes: Structure summary
• Version 1.3: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2023-12-06
  Changes: Data collection
• Version 1.5: 2024-11-06
  Changes: Structure summary